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Saito N, Chen S, Kitajima K, Zhou Z, Koide Y, Encabo JR, Diaz MGQ, Choi IR, Koyanagi KO, Kishima Y. Phylogenetic analysis of endogenous viral elements in the rice genome reveals local chromosomal evolution in Oryza AA-genome species. Front Plant Sci 2023; 14:1261705. [PMID: 37965031 PMCID: PMC10641527 DOI: 10.3389/fpls.2023.1261705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/29/2023] [Indexed: 11/16/2023]
Abstract
Introduction Rice genomes contain endogenous viral elements homologous to rice tungro bacilliform virus (RTBV) from the pararetrovirus family Caulimoviridae. These viral elements, known as endogenous RTBV-like sequences (eRTBVLs), comprise five subfamilies, eRTBVL-A, -B, -C, -D, and -X. Four subfamilies (A, B, C, and X) are present to a limited degree in the genomes of the Asian cultivated rice Oryza sativa (spp. japonica and indica) and the closely related wild species Oryza rufipogon. Methods The eRTBVL-D sequences are widely distributed within these and other Oryza AA-genome species. Fifteen eRTBVL-D segments identified in the japonica (Nipponbare) genome occur mostly at orthologous chromosomal positions in other AA-genome species. The eRTBVL-D sequences were inserted into the genomes just before speciation of the AA-genome species. Results and discussion Ten eRTBVL-D segments are located at six loci, which were used for our evolutionary analyses during the speciation of the AA-genome species. The degree of genetic differentiation varied among the eRTBVL-D segments. Of the six loci, three showed phylogenetic trees consistent with the standard speciation pattern (SSP) of the AA-genome species (Type A), and the other three represented phylogenies different from the SSP (Type B). The atypical phylogenetic trees for the Type B loci revealed chromosome region-specific evolution among the AA-genome species that is associated with phylogenetic incongruences: complex genome rearrangements between eRTBVL-D segments, an introgression between the distant species, and low genetic diversity of a shared eRTBVL-D segment. Using eRTBVL-D as an indicator, this study revealed the phylogenetic incongruence of local chromosomal regions with different topologies that developed during speciation.
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Affiliation(s)
- Nozomi Saito
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Sunlu Chen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Jiangsu Collaborative Innovation Center for Modern Crop Production, Jiangsu Province Engineering Research Center of Seed Industry Science and Technology, Cyrus Tang Innovation Center for Seed Industry, Nanjing Agricultural University, Nanjing, China
| | - Katsuya Kitajima
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Zhitong Zhou
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Yohei Koide
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Jaymee R. Encabo
- Institute of Biological Sciences, College of Arts and Sciences, University of the Philippines, Los Baños, Laguna, Philippines
| | - Maria Genaleen Q. Diaz
- Institute of Biological Sciences, College of Arts and Sciences, University of the Philippines, Los Baños, Laguna, Philippines
| | - Il-Ryong Choi
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna, Philippines
| | - Kanako O. Koyanagi
- Faculty of Information Science and Technology, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Yuji Kishima
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
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Simon EV, Hechanova SL, Hernandez JE, Li CP, Tülek A, Ahn EK, Jairin J, Choi IR, Sundaram RM, Jena KK, Kim SR. Available cloned genes and markers for genetic improvement of biotic stress resistance in rice. Front Plant Sci 2023; 14:1247014. [PMID: 37731986 PMCID: PMC10507716 DOI: 10.3389/fpls.2023.1247014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 08/14/2023] [Indexed: 09/22/2023]
Abstract
Biotic stress is one of the major threats to stable rice production. Climate change affects the shifting of pest outbreaks in time and space. Genetic improvement of biotic stress resistance in rice is a cost-effective and environment-friendly way to control diseases and pests compared to other methods such as chemical spraying. Fast deployment of the available and suitable genes/alleles in local elite varieties through marker-assisted selection (MAS) is crucial for stable high-yield rice production. In this review, we focused on consolidating all the available cloned genes/alleles conferring resistance against rice pathogens (virus, bacteria, and fungus) and insect pests, the corresponding donor materials, and the DNA markers linked to the identified genes. To date, 48 genes (independent loci) have been cloned for only major biotic stresses: seven genes for brown planthopper (BPH), 23 for blast, 13 for bacterial blight, and five for viruses. Physical locations of the 48 genes were graphically mapped on the 12 rice chromosomes so that breeders can easily find the locations of the target genes and distances among all the biotic stress resistance genes and any other target trait genes. For efficient use of the cloned genes, we collected all the publically available DNA markers (~500 markers) linked to the identified genes. In case of no available cloned genes yet for the other biotic stresses, we provided brief information such as donor germplasm, quantitative trait loci (QTLs), and the related papers. All the information described in this review can contribute to the fast genetic improvement of biotic stress resistance in rice for stable high-yield rice production.
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Affiliation(s)
- Eliza Vie Simon
- Rice Breeding Innovation Department, International Rice Research Institute (IRRI), Laguna, Philippines
- Institute of Crop Science (ICropS), University of the Philippines Los Baños, Laguna, Philippines
| | - Sherry Lou Hechanova
- Rice Breeding Innovation Department, International Rice Research Institute (IRRI), Laguna, Philippines
| | - Jose E. Hernandez
- Institute of Crop Science (ICropS), University of the Philippines Los Baños, Laguna, Philippines
| | - Charng-Pei Li
- Taiwan Agricultural Research Institute (TARI), Council of Agriculture, Taiwan
| | - Adnan Tülek
- Trakya Agricultural Research Institute, Edirne, Türkiye
| | - Eok-Keun Ahn
- National Institute of Crop Science, Rural Development Administration (RDA), Republic of Korea
| | - Jirapong Jairin
- Division of Rice Research and Development, Rice Department, Bangkok, Thailand
| | - Il-Ryong Choi
- Rice Breeding Innovation Department, International Rice Research Institute (IRRI), Laguna, Philippines
- National Institute of Crop Science, Rural Development Administration (RDA), Republic of Korea
| | - Raman M. Sundaram
- ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India
| | - Kshirod K. Jena
- School of Biotechnology, KIIT Deemed University, Bhubaneswar, Odisha, India
| | - Sung-Ryul Kim
- Rice Breeding Innovation Department, International Rice Research Institute (IRRI), Laguna, Philippines
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3
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Kuhn JH, Adkins S, Agwanda BR, Al Kubrusli R, Alkhovsky SV, Amarasinghe GK, Avšič-Županc T, Ayllón MA, Bahl J, Balkema-Buschmann A, Ballinger MJ, Basler CF, Bavari S, Beer M, Bejerman N, Bennett AJ, Bente DA, Bergeron É, Bird BH, Blair CD, Blasdell KR, Blystad DR, Bojko J, Borth WB, Bradfute S, Breyta R, Briese T, Brown PA, Brown JK, Buchholz UJ, Buchmeier MJ, Bukreyev A, Burt F, Büttner C, Calisher CH, Cao M, Casas I, Chandran K, Charrel RN, Cheng Q, Chiaki Y, Chiapello M, Choi IR, Ciuffo M, Clegg JCS, Crozier I, Dal Bó E, de la Torre JC, de Lamballerie X, de Swart RL, Debat H, Dheilly NM, Di Cicco E, Di Paola N, Di Serio F, Dietzgen RG, Digiaro M, Dolnik O, Drebot MA, Drexler JF, Dundon WG, Duprex WP, Dürrwald R, Dye JM, Easton AJ, Ebihara H, Elbeaino T, Ergünay K, Ferguson HW, Fooks AR, Forgia M, Formenty PBH, Fránová J, Freitas-Astúa J, Fu J, Fürl S, Gago-Zachert S, Gāo GF, García ML, García-Sastre A, Garrison AR, Gaskin T, Gonzalez JPJ, Griffiths A, Goldberg TL, Groschup MH, Günther S, Hall RA, Hammond J, Han T, Hepojoki J, Hewson R, Hong J, Hong N, Hongo S, Horie M, Hu JS, Hu T, Hughes HR, Hüttner F, Hyndman TH, Ilyas M, Jalkanen R, Jiāng D, Jonson GB, Junglen S, Kadono F, Kaukinen KH, Kawate M, Klempa B, Klingström J, Kobinger G, Koloniuk I, Kondō H, Koonin EV, Krupovic M, Kubota K, Kurath G, Laenen L, Lambert AJ, Langevin SL, Lee B, Lefkowitz EJ, Leroy EM, Li S, Li L, Lǐ J, Liu H, Lukashevich IS, Maes P, de Souza WM, Marklewitz M, Marshall SH, Marzano SYL, Massart S, McCauley JW, Melzer M, Mielke-Ehret N, Miller KM, Ming TJ, Mirazimi A, Mordecai GJ, Mühlbach HP, Mühlberger E, Naidu R, Natsuaki T, Navarro JA, Netesov SV, Neumann G, Nowotny N, Nunes MRT, Olmedo-Velarde A, Palacios G, Pallás V, Pályi B, Papa A, Paraskevopoulou S, Park AC, Parrish CR, Patterson DA, Pauvolid-Corrêa A, Pawęska JT, Payne S, Peracchio C, Pérez DR, Postler TS, Qi L, Radoshitzky SR, Resende RO, Reyes CA, Rima BK, Luna GR, Romanowski V, Rota P, Rubbenstroth D, Rubino L, Runstadler JA, Sabanadzovic S, Sall AA, Salvato MS, Sang R, Sasaya T, Schulze AD, Schwemmle M, Shi M, Shí X, Shí Z, Shimomoto Y, Shirako Y, Siddell SG, Simmonds P, Sironi M, Smagghe G, Smither S, Song JW, Spann K, Spengler JR, Stenglein MD, Stone DM, Sugano J, Suttle CA, Tabata A, Takada A, Takeuchi S, Tchouassi DP, Teffer A, Tesh RB, Thornburg NJ, Tomitaka Y, Tomonaga K, Tordo N, Torto B, Towner JS, Tsuda S, Tu C, Turina M, Tzanetakis IE, Uchida J, Usugi T, Vaira AM, Vallino M, van den Hoogen B, Varsani A, Vasilakis N, Verbeek M, von Bargen S, Wada J, Wahl V, Walker PJ, Wang LF, Wang G, Wang Y, Wang Y, Waqas M, Wèi T, Wen S, Whitfield AE, Williams JV, Wolf YI, Wu J, Xu L, Yanagisawa H, Yang C, Yang Z, Zerbini FM, Zhai L, Zhang YZ, Zhang S, Zhang J, Zhang Z, Zhou X. Correction to: 2021 Taxonomic update of phylum Negarnaviricota (Riboviria: Orthornavirae), including the large orders Bunyavirales and Mononegavirales. Arch Virol 2021; 166:3567-3579. [PMID: 34786611 DOI: 10.1007/s00705-021-05266-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Jens H Kuhn
- Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Frederick, MD, USA.
| | - Scott Adkins
- United States Department of Agriculture, Agricultural Research Service, US Horticultural Research Laboratory, Fort Pierce, FL, USA
| | - Bernard R Agwanda
- Zoology Department, National Museums of Kenya, Nairobi, Kenya
- Jomo Kenyatta University of Agriculture & Technology, Nairobi, Kenya
| | - Rim Al Kubrusli
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Sergey V Alkhovsky
- D.I. Ivanovsky Institute of Virology of N.F. Gamaleya National Center on Epidemiology and Microbiology of Ministry of Health of Russian Federation, Moscow, Russia
| | - Gaya K Amarasinghe
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | | | - María A Ayllón
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Madrid, Spain
| | - Justin Bahl
- Center for Ecology of Infectious Diseases, Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Insitute of Bioinformatics, University of Georgia, Athens, GA, USA
| | - Anne Balkema-Buschmann
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Matthew J Ballinger
- Department of Biological Sciences, Mississippi State University, Mississippi State, MS, USA
| | - Christopher F Basler
- Center for Microbial Pathogenesis, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Sina Bavari
- Edge BioInnovation Consulting and Mgt, Frederick, MD, USA
| | - Martin Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | | | - Andrew J Bennett
- Genomics and Bioinformatics Department, Biological Defense Research Directorate, Naval Medical Research Center-Frederick, Fort Detrick, Frederick, MD, USA
| | | | - Éric Bergeron
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Brian H Bird
- School of Veterinary Medicine, One Health Institute, University of California, Davis, Davis, CA, USA
| | - Carol D Blair
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, USA
| | - Kim R Blasdell
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australian Centre for Disease Preparedness, Geelong, VIC, Australia
| | | | - Jamie Bojko
- School of Health and Life Sciences, Teesside University, Middlesbrough, TS1 3BX, UK
- National Horizons Centre, Teesside University, Darlington, DL1 1HG, UK
| | | | - Steven Bradfute
- University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Rachel Breyta
- University of Washington, Seattle, WA, USA
- US Geological Survey, Western Fisheries Research Center, Seattle, WA, USA
| | - Thomas Briese
- Center for Infection and Immunity, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Paul A Brown
- Laboratory of Ploufragan-Plouzané-Niort, French Agency for Food, Environmental and Occupational Heath Safety ANSES, Ploufragan, France
| | - Judith K Brown
- School of Plant Sciences, University of Arizona, Tucson, AZ, USA
| | - Ursula J Buchholz
- RNA Viruses Section, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Michael J Buchmeier
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, USA
| | - Alexander Bukreyev
- Galveston National Laboratory, The University of Texas Medical Branch at Galveston, Galveston, TX, USA
| | - Felicity Burt
- Division of Virology, National Health Laboratory Service and Division of Virology, University of the Free State, Bloemfontein, Republic of South Africa
| | - Carmen Büttner
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | | | - Mengji Cao
- National Citrus Engineering and Technology Research Center, Citrus Research Institute, Southwest University, Beibei, Chongqing, People's Republic of China
| | - Inmaculada Casas
- Respiratory Virus and Influenza Unit, National Microbiology Center, Instituto de Salud Carlos III, Madrid, Spain
| | - Kartik Chandran
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Rémi N Charrel
- Unité des Virus Emergents (Aix-Marseille Univ, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Qi Cheng
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Yuya Chiaki
- Grape and Persimmon Research Station, Institute of Fruit tree and Tea Science, NARO, Higashihiroshima, Hiroshima, Japan
| | - Marco Chiapello
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Il-Ryong Choi
- Plant Breeding Genetics and Biotechnology Division and International Rice Research Institute, Los Baños, Philippines
| | - Marina Ciuffo
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | | | - Ian Crozier
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Elena Dal Bó
- CIDEFI, Facultad de Ciencias Agrarias y Forestales, Universidad de La Plata, La Plata, Argentina
| | - Juan Carlos de la Torre
- Department of Immunology and Microbiology IMM-6, The Scripps Research Institute, La Jolla, CA, USA
| | - Xavier de Lamballerie
- Unité des Virus Emergents (Aix-Marseille Univ, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Rik L de Swart
- Department Viroscience, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Humberto Debat
- Centro de Investigaciones Agropecuarias, Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA), Córdoba, Argentina
- Unidad de Fitopatología y Modelización Agrícola, Consejo Nacional de Investigaciones Científicas y Técnicas (UFYMA-CONICET), Córdoba, Argentina
| | - Nolwenn M Dheilly
- UMR 1161 Virology ANSES/INRAE/ENVA, ANSES Animal Health Laboratory, 94704, Maisons-Alfort, France
| | | | - Nicholas Di Paola
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Francesco Di Serio
- Istituto per la Protezione Sostenibile delle Piante, Consiglio Nazionale delle Ricerche, Bari, Italy
| | - Ralf G Dietzgen
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Michele Digiaro
- CIHEAM, Istituto Agronomico Mediterraneo di Bari, Valenzano, Italy
| | - Olga Dolnik
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Michael A Drebot
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - J Felix Drexler
- Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität Berlin, Berlin, Germany
| | - William G Dundon
- Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna, Austria
| | - W Paul Duprex
- School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - John M Dye
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Andrew J Easton
- School of Life Sciences, University of Warwick, Coventry, UK
| | - Hideki Ebihara
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Koray Ergünay
- Virology Unit, Department of Medical Microbiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hugh W Ferguson
- School of Veterinary Medicine, St. George's University, True Blue, Grenada
| | | | - Marco Forgia
- Institute for sustainable plant protection, CNR, Turin, Italy
| | | | - Jana Fránová
- Plant Virology Department, Institute of Plant Molecular Biology, Biology Centre CAS, Ceske Budejovice, Czech Republic
| | | | - Jingjing Fu
- College of Life Science and Engineering, Shenyang University, Shenyang, Liaoning, People's Republic of China
| | - Stephanie Fürl
- Albrecht Daniel Thaer-Institute for Crop and Animal Sciences, Division Phytomedicine, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Selma Gago-Zachert
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
| | - George Fú Gāo
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - María Laura García
- nstituto de Biotecnología y Biología Molecular, Facultad de Ciencias Exactas, I, CONICET UNLP, La Plata, Argentina
| | | | - Aura R Garrison
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Thomas Gaskin
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
- Landwirtschaft und Flurneuordnung, Landesamt für ländliche Entwicklung, Frankfurt (Oder), Germany
| | - Jean-Paul J Gonzalez
- Department of Microbiology and Immunology, Division of Biomedical Graduate Research Organization, School of Medicine, Georgetown University, Washington, DC, 20057, USA
- Centaurus Biotechnologies, CTP, Manassas, VA, USA
| | - Anthony Griffiths
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA, USA
| | - Tony L Goldberg
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Martin H Groschup
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Stephan Günther
- WHO Collaborating Centre for Arboviruses and Hemorrhagic Fever Reference and Research, Department of Virology, Bernhard-Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Roy A Hall
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - John Hammond
- Floral and Nursery Plants Research Unit, United States Department of Agriculture, Agricultural Research Service, USNA, Beltsville, MD, USA
| | - Tong Han
- College of Life Science and Engineering, Shenyang University, Shenyang, Liaoning, People's Republic of China
| | - Jussi Hepojoki
- Department of Virology, University of Helsinki, Medicum, Helsinki, Finland
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Roger Hewson
- London School of Hygeine and Tropical Medicine, London, UK
| | - Jiang Hong
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, People's Republic of China
| | - Ni Hong
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Seiji Hongo
- Department of Infectious Diseases, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Masayuki Horie
- Hakubi Center for Advanced Research, Kyoto University, Kyoto, Japan
- Division of Veterinary Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Izumisano, Japan
| | - John S Hu
- University of Hawaii, Honolulu, HI, USA
| | - Tao Hu
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Holly R Hughes
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Florian Hüttner
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Timothy H Hyndman
- School of Veterinary Medicine, Murdoch University, Murdoch, WA, Australia
| | - M Ilyas
- Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, USA
| | | | - Dàohóng Jiāng
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - Gilda B Jonson
- Rice Breeding Innovations Platform, International Rice Research Institute, Los Baños, Laguna, Philippines
| | - Sandra Junglen
- Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
- German Centre for Infection Research, Berlin, Germany
| | - Fujio Kadono
- Department of Clinical Plant Science, Faculty of Bioscience and Applied Chemistry, Hosei University, Koganei, Tokyo, Japan
| | - Karia H Kaukinen
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | | | - Boris Klempa
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Jonas Klingström
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Gary Kobinger
- Department of Microbiology, Immunology and Infectious Diseases, Université Laval, Quebec City, Canada
| | - Igor Koloniuk
- Plant Virology Department, Institute of Plant Molecular Biology, Biology Centre CAS, Ceske Budejovice, Czech Republic
| | - Hideki Kondō
- Institute of Plant Science and Resources, Okayama University, Kurashiki, Japan
| | - Eugene V Koonin
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Mart Krupovic
- Archaeal Virology Unit, Institut Pasteur, Paris, France
| | - Kenji Kubota
- Central Region Agricultural Research Center, NARO, Tsukuba, Ibaraki, Japan
| | - Gael Kurath
- US Geological Survey Western Fisheries Research Center, Seattle, WA, USA
| | - Lies Laenen
- KU Leuven, Rega Institute, Zoonotic Infectious Diseases unit, Leuven, Belgium
- Department of Laboratory Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Amy J Lambert
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | | | - Benhur Lee
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Eric M Leroy
- MIVEGEC (IRD-CNRS-Montpellier university) Unit, French National Research Institute for Sustainable Development (IRD), Montpellier, France
| | - Shaorong Li
- Fisheries and Oceans Canada, Pacific Biological Station, 3190 Hammond Bay Road, Nanaimo, BC, V9T 6N7, Canada
| | - Longhui Li
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Jiànróng Lǐ
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Huazhen Liu
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Igor S Lukashevich
- Department of Pharmacology and Toxicology, School of Medicine, and the Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville, Louisville, KY, USA
| | - Piet Maes
- KU Leuven, Rega Institute, Zoonotic Infectious Diseases unit, Leuven, Belgium
| | | | - Marco Marklewitz
- Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
- German Center for Infection Research (DZIF), Berlin, Germany
| | - Sergio H Marshall
- Pontificia Universidad Católica de Valparaíso, Campus Curauma, Valparaíso, Chile
| | - Shin-Yi L Marzano
- United States Department of Agriculture, Agricultural Research Service , Washington, USA
| | - Sebastien Massart
- Gembloux Agro-Bio Tech, TERRA, Plant Pathology Laboratory, Liège University, Liege, Belgium
| | - John W McCauley
- Worldwide Influenza Centre, Francis Crick Institute, London, UK
| | - Michael Melzer
- Plant and Environmental Protection Sciences, University of Hawai'i at Mānoa, Honolulu, HI, USA
| | | | - Kristina M Miller
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | - Tobi J Ming
- Molecular Genetics, Pacific Biological Station, Department of Fisheries and Oceans, Nanaimo, Canada
| | | | - Gideon J Mordecai
- Department of Medicine, Univeristy of British Columbia, Vancouver, Canada
| | | | - Elke Mühlberger
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA, USA
| | - Rayapati Naidu
- Department of Plant Pathology, Irrigated Agricultural Research and Extension Center, Washington State University, Prosser, WA, USA
| | - Tomohide Natsuaki
- School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi, Japan
| | - José A Navarro
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Sergey V Netesov
- Novosibirsk State University, Novosibirsk, Novosibirsk Oblast, Russia
| | - Gabriele Neumann
- Influenza Research Institute, Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Norbert Nowotny
- Institute of Virology, University of Veterinary Medicine Vienna, Vienna, Austria
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | | | | | - Gustavo Palacios
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Vicente Pallás
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Consejo Superior de Investigaciones Cientificas-Universidad Politécnica de Valencia, Valencia, Spain
| | - Bernadett Pályi
- National Biosafety Laboratory, National Public Health Center, Budapest, Hungary
| | - Anna Papa
- National Reference Centre for Arboviruses and Haemorrhagic Fever Viruses, Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Sofia Paraskevopoulou
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Adam C Park
- University of Hawaii, Honolulu, HI, USA
- Hawaii Department of Agriculture, Honolulu, HI, USA
| | - Colin R Parrish
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - David A Patterson
- Fisheries and Oceans Canada, Resource and Environmental Management, Simon Fraser University, Burnaby, BC, Canada
| | - Alex Pauvolid-Corrêa
- Department of Veterinary Integrated Biosciences and Department of Entomology, Texas A&M University, College Station, USA
- Laboratory of Respiratory Viruses and Measles, Fiocruz, Rio de Janeiro, Brazil
| | - Janusz T Pawęska
- Center for Emerging Zoonotic and Parasitic Diseases, National Institute for Communicable Diseases of the National Health Laboratory Service, Sandringham-Johannesburg, Gauteng, South Africa
| | - Susan Payne
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Carlotta Peracchio
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Daniel R Pérez
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Thomas S Postler
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Liying Qi
- Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi, People's Republic of China
| | | | - Renato O Resende
- Departamento de Biologia Celular, Universidade de Brasília, Brasília, Brazil
| | - Carina A Reyes
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET-UNLP, La Plata, Buenos Aires, Argentina
| | - Bertus K Rima
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, The Queen's University of Belfast, Belfast, Northern Ireland, UK
| | - Gabriel Robles Luna
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET-UNLP, La Plata, Buenos Aires, Argentina
| | - Víctor Romanowski
- Instituto de Biotecnología y Biología Molecular, Centro Cientifico Technológico-La Plata, Consejo Nacional de Investigaciones Científico Tecnológico-Universidad Nacional de La Plata, La Plata, Argentina
| | - Paul Rota
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Dennis Rubbenstroth
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Luisa Rubino
- Consiglio Nazionale delle Ricerche, Istituto per la Protezione Sostenibile delle Piante, Bari, Italy
| | - Jonathan A Runstadler
- Department of Infectious Disease and Global Health, Tufts University Cummings School of Veterinary Medicine, 200 Westboro Road, North Grafton, MA, 01536, USA
| | - Sead Sabanadzovic
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS, USA
| | | | - Maria S Salvato
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MA, USA
| | - Rosemary Sang
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Takahide Sasaya
- Institute for Plant Protection, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Angela D Schulze
- Molecular Genetics Lab, Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | - Martin Schwemmle
- Faculty of Medicine, University Medical Center-University Freiburg, Freiburg, Germany
| | - Mang Shi
- Sun Yat-sen University, Shenzhen, People's Republic of China
| | - Xiǎohóng Shí
- MRC-University of Glasgow Centre for Virus Research, Glasgow, Scotland, UK
| | - Zhènglì Shí
- CAS Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, People's Republic of China
| | | | - Yukio Shirako
- Asian Center for Bioresources and Environmental Sciences, University of Tokyo, Tokyo, Japan
| | - Stuart G Siddell
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Peter Simmonds
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Manuela Sironi
- Bioinformatics Unit, Scientific Institute IRCCS "E. Medea", Bosisio Parini, Italy
| | - Guy Smagghe
- Faculty of Bioscience Engineering, Department of Plants and Crops, Ghent University, Ghent, Belgium
| | - Sophie Smither
- CBR Division, DSTL, Porton Down, Salisbury, Wiltshire, UK
| | - Jin-Won Song
- Department of Microbiology, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Kirsten Spann
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Jessica R Spengler
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, USA
| | - Mark D Stenglein
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA
| | - David M Stone
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, Dorset, UK
| | | | - Curtis A Suttle
- Departments of Earth, Ocean and Atmospheric Sciences, Microbiology and Immunology, and Botany, and the Institute for Oceans and Fisheries, University of British Columbia, Vancouver, Canada
| | - Amy Tabata
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | - Ayato Takada
- Division of Global Epidemiology, Research Center for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Shigeharu Takeuchi
- Japan Plant Protection Association Kochi Experiment Station, Konan, Kochi, Japan
| | - David P Tchouassi
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Amy Teffer
- Department of Forest Sciences, University of British Columbia, Vancouver, Canada
| | - Robert B Tesh
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | | | - Yasuhiro Tomitaka
- Kyushu Okinawa Agricultural Research Center, NARO, Koshi, Kumamoto, Japan
| | - Keizō Tomonaga
- Institute for Frontier Life and Medical Sciences (inFront), , Kyoto University, Kyoto, Japan
| | - Noël Tordo
- Unité des Stratégies Antivirales, WHO Collaborative Centre for Viral Haemorrhagic Fevers and Arboviruses, OIE Reference Laboratory for RVFV & CCHFV, Institut Pasteur, Paris, France
| | - Baldwyn Torto
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Jonathan S Towner
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
- Institut Pasteur de Guinée, Conakry, Guinea
| | - Shinya Tsuda
- Department of Clinical Plant Science, Faculty of Bioscience and Applied Chemistry, Hosei University, Koganei, Tokyo, Japan
| | - Changchun Tu
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, Jilin Province, People's Republic of China
| | - Massimo Turina
- National Institute of Optics, National Research Council of Italy (INO-CNR), Via Branze 45, 25123Brescia, Italy
| | - Ioannis E Tzanetakis
- Department of Entomology and Plant Pathology, Division of Agriculture, University of Arkansas System,, Fayetteville, AR, 72701, USA
| | | | - Tomio Usugi
- Central Region Agricultural Research Center, NARO, Tsukuba, Ibaraki, Japan
| | - Anna Maria Vaira
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Marta Vallino
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Bernadette van den Hoogen
- Department of Viroscience, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Arvind Varsani
- The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine School of Life Sciences, Arizona State University, Tempe, AZ, USA
- Structural Biology Research Unit, Department of Clinical Laboratory Sciences, University of Cape Town, Observatory, Cape Town, South Africa
| | - Nikos Vasilakis
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | - Martin Verbeek
- Wageningen University and Research, Biointeractions and Plant Health, Wageningen, The Netherlands
| | - Susanne von Bargen
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Jiro Wada
- Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Frederick, MD, USA
| | - Victoria Wahl
- National Biodefense Analysis and Countermeasures Center, Fort Detrick, Frederick, MD, USA
| | - Peter J Walker
- School of Chemistry and Molecular Biosciences, University of Queensland, St. Lucia, QLD, Australia
| | - Lin-Fa Wang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Guoping Wang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yanxiang Wang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yaqin Wang
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Muhammad Waqas
- Key Laboratory of Crop Disease Monitoring and Safety Control in Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, People's Republic of China
| | - Tàiyún Wèi
- Fujian Province Key Laboratory of Plant Virology, Institute of Plant Virology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, People's Republic of China
| | - Shaohua Wen
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Anna E Whitfield
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, USA
| | - John V Williams
- School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yuri I Wolf
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Jiangxiang Wu
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Lei Xu
- Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi, People's Republic of China
| | | | - Caixia Yang
- College of Life Science and Engineering, Shenyang University, Shenyang, Liaoning, People's Republic of China
| | - Zuokun Yang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - F Murilo Zerbini
- Departamento de Fitopatologia, Instituto de Biotecnologia Aplicada à Agropecuária, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Lifeng Zhai
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan, 430070, Hubei , People's Republic of China
| | - Yong-Zhen Zhang
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, Beijing, People's Republic of China
- Shanghai Public Health Clinical Center & Institutes of Biomedical Sciences, Fudan University, Shanghai, People's Republic of China
| | - Song Zhang
- National Citrus Engineering and Technology Research Center, Citrus Research Institute, Southwest University, Beibei, Chongqing, People's Republic of China
| | - Jinguo Zhang
- National Sand Pear Germplasm Repository in Wuchang, Research Institute of Fruit and Tea, Hubei Academy of Agricultural Science, Wuhan, Hubei, People's Republic of China
| | - Zhe Zhang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Xueping Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, People's Republic of China
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Kuhn JH, Adkins S, Agwanda BR, Al Kubrusli R, Alkhovsky SV, Amarasinghe GK, Avšič-Županc T, Ayllón MA, Bahl J, Balkema-Buschmann A, Ballinger MJ, Basler CF, Bavari S, Beer M, Bejerman N, Bennett AJ, Bente DA, Bergeron É, Bird BH, Blair CD, Blasdell KR, Blystad DR, Bojko J, Borth WB, Bradfute S, Breyta R, Briese T, Brown PA, Brown JK, Buchholz UJ, Buchmeier MJ, Bukreyev A, Burt F, Büttner C, Calisher CH, Cao M, Casas I, Chandran K, Charrel RN, Cheng Q, Chiaki Y, Chiapello M, Choi IR, Ciuffo M, Clegg JCS, Crozier I, Dal Bó E, de la Torre JC, de Lamballerie X, de Swart RL, Debat H, Dheilly NM, Di Cicco E, Di Paola N, Di Serio F, Dietzgen RG, Digiaro M, Dolnik O, Drebot MA, Drexler JF, Dundon WG, Duprex WP, Dürrwald R, Dye JM, Easton AJ, Ebihara H, Elbeaino T, Ergünay K, Ferguson HW, Fooks AR, Forgia M, Formenty PBH, Fránová J, Freitas-Astúa J, Fu J, Fürl S, Gago-Zachert S, Gāo GF, García ML, García-Sastre A, Garrison AR, Gaskin T, Gonzalez JPJ, Griffiths A, Goldberg TL, Groschup MH, Günther S, Hall RA, Hammond J, Han T, Hepojoki J, Hewson R, Hong J, Hong N, Hongo S, Horie M, Hu JS, Hu T, Hughes HR, Hüttner F, Hyndman TH, Ilyas M, Jalkanen R, Jiāng D, Jonson GB, Junglen S, Kadono F, Kaukinen KH, Kawate M, Klempa B, Klingström J, Kobinger G, Koloniuk I, Kondō H, Koonin EV, Krupovic M, Kubota K, Kurath G, Laenen L, Lambert AJ, Langevin SL, Lee B, Lefkowitz EJ, Leroy EM, Li S, Li L, Lǐ J, Liu H, Lukashevich IS, Maes P, de Souza WM, Marklewitz M, Marshall SH, Marzano SYL, Massart S, McCauley JW, Melzer M, Mielke-Ehret N, Miller KM, Ming TJ, Mirazimi A, Mordecai GJ, Mühlbach HP, Mühlberger E, Naidu R, Natsuaki T, Navarro JA, Netesov SV, Neumann G, Nowotny N, Nunes MRT, Olmedo-Velarde A, Palacios G, Pallás V, Pályi B, Papa A, Paraskevopoulou S, Park AC, Parrish CR, Patterson DA, Pauvolid-Corrêa A, Pawęska JT, Payne S, Peracchio C, Pérez DR, Postler TS, Qi L, Radoshitzky SR, Resende RO, Reyes CA, Rima BK, Luna GR, Romanowski V, Rota P, Rubbenstroth D, Rubino L, Runstadler JA, Sabanadzovic S, Sall AA, Salvato MS, Sang R, Sasaya T, Schulze AD, Schwemmle M, Shi M, Shí X, Shí Z, Shimomoto Y, Shirako Y, Siddell SG, Simmonds P, Sironi M, Smagghe G, Smither S, Song JW, Spann K, Spengler JR, Stenglein MD, Stone DM, Sugano J, Suttle CA, Tabata A, Takada A, Takeuchi S, Tchouassi DP, Teffer A, Tesh RB, Thornburg NJ, Tomitaka Y, Tomonaga K, Tordo N, Torto B, Towner JS, Tsuda S, Tu C, Turina M, Tzanetakis IE, Uchida J, Usugi T, Vaira AM, Vallino M, van den Hoogen B, Varsani A, Vasilakis N, Verbeek M, von Bargen S, Wada J, Wahl V, Walker PJ, Wang LF, Wang G, Wang Y, Wang Y, Waqas M, Wèi T, Wen S, Whitfield AE, Williams JV, Wolf YI, Wu J, Xu L, Yanagisawa H, Yang C, Yang Z, Zerbini FM, Zhai L, Zhang YZ, Zhang S, Zhang J, Zhang Z, Zhou X. 2021 Taxonomic update of phylum Negarnaviricota (Riboviria: Orthornavirae), including the large orders Bunyavirales and Mononegavirales. Arch Virol 2021; 166:3513-3566. [PMID: 34463877 PMCID: PMC8627462 DOI: 10.1007/s00705-021-05143-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In March 2021, following the annual International Committee on Taxonomy of Viruses (ICTV) ratification vote on newly proposed taxa, the phylum Negarnaviricota was amended and emended. The phylum was expanded by four families (Aliusviridae, Crepuscuviridae, Myriaviridae, and Natareviridae), three subfamilies (Alpharhabdovirinae, Betarhabdovirinae, and Gammarhabdovirinae), 42 genera, and 200 species. Thirty-nine species were renamed and/or moved and seven species were abolished. This article presents the updated taxonomy of Negarnaviricota as now accepted by the ICTV.
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Affiliation(s)
- Jens H Kuhn
- Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Frederick, MD, USA.
| | - Scott Adkins
- United States Department of Agriculture, Agricultural Research Service, US Horticultural Research Laboratory, Fort Pierce, FL, USA
| | - Bernard R Agwanda
- Zoology Department, National Museums of Kenya, Nairobi, Kenya
- Jomo Kenyatta University of Agriculture & Technology, Nairobi, Kenya
| | - Rim Al Kubrusli
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Sergey V Alkhovsky
- D.I. Ivanovsky Institute of Virology of N.F. Gamaleya National Center on Epidemiology and Microbiology of Ministry of Health of Russian Federation, Moscow, Russia
| | - Gaya K Amarasinghe
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | | | - María A Ayllón
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Madrid, Spain
| | - Justin Bahl
- Center for Ecology of Infectious Diseases, Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Insitute of Bioinformatics, University of Georgia, Athens, GA, USA
| | - Anne Balkema-Buschmann
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Matthew J Ballinger
- Department of Biological Sciences, Mississippi State University, Mississippi State, MS, USA
| | - Christopher F Basler
- Center for Microbial Pathogenesis, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Sina Bavari
- Edge BioInnovation Consulting and Mgt, Frederick, MD, USA
| | - Martin Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | | | - Andrew J Bennett
- Genomics and Bioinformatics Department, Biological Defense Research Directorate, Naval Medical Research Center-Frederick, Fort Detrick, Frederick, MD, USA
| | | | - Éric Bergeron
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Brian H Bird
- School of Veterinary Medicine, One Health Institute, University of California, Davis, Davis, CA, USA
| | - Carol D Blair
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, USA
| | - Kim R Blasdell
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australian Centre for Disease Preparedness, Geelong, VIC, Australia
| | | | - Jamie Bojko
- School of Health and Life Sciences, Teesside University, Middlesbrough, TS1 3BX, UK
- National Horizons Centre, Teesside University, Darlington, DL1 1HG, UK
| | | | - Steven Bradfute
- University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Rachel Breyta
- University of Washington, Seattle, WA, USA
- US Geological Survey, Western Fisheries Research Center, Seattle, WA, USA
| | - Thomas Briese
- Center for Infection and Immunity, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Paul A Brown
- Laboratory of Ploufragan-Plouzané-Niort, French Agency for Food, Environmental and Occupational Heath Safety ANSES, Ploufragan, France
| | - Judith K Brown
- School of Plant Sciences, University of Arizona, Tucson, AZ, USA
| | - Ursula J Buchholz
- RNA Viruses Section, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Michael J Buchmeier
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, USA
| | - Alexander Bukreyev
- Galveston National Laboratory, The University of Texas Medical Branch at Galveston, Galveston, TX, USA
| | - Felicity Burt
- Division of Virology, National Health Laboratory Service and Division of Virology, University of the Free State, Bloemfontein, Republic of South Africa
| | - Carmen Büttner
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | | | - Mengji Cao
- National Citrus Engineering and Technology Research Center, Citrus Research Institute, Southwest University, Beibei, Chongqing, People's Republic of China
| | - Inmaculada Casas
- Respiratory Virus and Influenza Unit, National Microbiology Center, Instituto de Salud Carlos III, Madrid, Spain
| | - Kartik Chandran
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Rémi N Charrel
- Unité des Virus Emergents (Aix-Marseille Univ, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Qi Cheng
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Yuya Chiaki
- Grape and Persimmon Research Station, Institute of Fruit tree and Tea Science, NARO, Higashihiroshima, Hiroshima, Japan
| | - Marco Chiapello
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Il-Ryong Choi
- Plant Breeding Genetics and Biotechnology Division and International Rice Research Institute, Los Baños, Philippines
| | - Marina Ciuffo
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | | | - Ian Crozier
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Elena Dal Bó
- CIDEFI, Facultad de Ciencias Agrarias y Forestales, Universidad de La Plata, La Plata, Argentina
| | - Juan Carlos de la Torre
- Department of Immunology and Microbiology IMM-6, The Scripps Research Institute, La Jolla, CA, USA
| | - Xavier de Lamballerie
- Unité des Virus Emergents (Aix-Marseille Univ, IRD 190, Inserm 1207, IHU Méditerranée Infection), Marseille, France
| | - Rik L de Swart
- Department Viroscience, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Humberto Debat
- Centro de Investigaciones Agropecuarias, Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA), Córdoba, Argentina
- Unidad de Fitopatología y Modelización Agrícola, Consejo Nacional de Investigaciones Científicas y Técnicas (UFYMA-CONICET), Córdoba, Argentina
| | - Nolwenn M Dheilly
- UMR 1161 Virology ANSES/INRAE/ENVA, ANSES Animal Health Laboratory, 94704, Maisons-Alfort, France
| | | | - Nicholas Di Paola
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Francesco Di Serio
- Istituto per la Protezione Sostenibile delle Piante, Consiglio Nazionale delle Ricerche, Bari, Italy
| | - Ralf G Dietzgen
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Michele Digiaro
- CIHEAM, Istituto Agronomico Mediterraneo di Bari, Valenzano, Italy
| | - Olga Dolnik
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Michael A Drebot
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - J Felix Drexler
- Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität Berlin, Berlin, Germany
| | - William G Dundon
- Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna, Austria
| | - W Paul Duprex
- School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - John M Dye
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Andrew J Easton
- School of Life Sciences, University of Warwick, Coventry, UK
| | - Hideki Ebihara
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Koray Ergünay
- Virology Unit, Department of Medical Microbiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hugh W Ferguson
- School of Veterinary Medicine, St. George's University, True Blue, Grenada
| | | | - Marco Forgia
- Institute for sustainable plant protection, CNR, Turin, Italy
| | | | - Jana Fránová
- Plant Virology Department, Institute of Plant Molecular Biology, Biology Centre CAS, Ceske Budejovice, Czech Republic
| | | | - Jingjing Fu
- College of Life Science and Engineering, Shenyang University, Shenyang, Liaoning, People's Republic of China
| | - Stephanie Fürl
- Albrecht Daniel Thaer-Institute for Crop and Animal Sciences, Division Phytomedicine, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Selma Gago-Zachert
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
| | - George Fú Gāo
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - María Laura García
- nstituto de Biotecnología y Biología Molecular, Facultad de Ciencias Exactas, I, CONICET UNLP, La Plata, Argentina
| | | | - Aura R Garrison
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Thomas Gaskin
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
- Landwirtschaft und Flurneuordnung, Landesamt für ländliche Entwicklung, Frankfurt (Oder), Germany
| | - Jean-Paul J Gonzalez
- Department of Microbiology and Immunology, Division of Biomedical Graduate Research Organization, School of Medicine, Georgetown University, Washington, DC, 20057, USA
- Centaurus Biotechnologies, CTP, Manassas, VA, USA
| | - Anthony Griffiths
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA, USA
| | - Tony L Goldberg
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Martin H Groschup
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Stephan Günther
- WHO Collaborating Centre for Arboviruses and Hemorrhagic Fever Reference and Research, Department of Virology, Bernhard-Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Roy A Hall
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - John Hammond
- Floral and Nursery Plants Research Unit, United States Department of Agriculture, Agricultural Research Service, USNA, Beltsville, MD, USA
| | - Tong Han
- College of Life Science and Engineering, Shenyang University, Shenyang, Liaoning, People's Republic of China
| | - Jussi Hepojoki
- Department of Virology, University of Helsinki, Medicum, Helsinki, Finland
- Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Roger Hewson
- London School of Hygeine and Tropical Medicine, London, UK
| | - Jiang Hong
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, People's Republic of China
| | - Ni Hong
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Seiji Hongo
- Department of Infectious Diseases, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Masayuki Horie
- Hakubi Center for Advanced Research, Kyoto University, Kyoto, Japan
- Division of Veterinary Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Izumisano, Japan
| | - John S Hu
- University of Hawaii, Honolulu, HI, USA
| | - Tao Hu
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Holly R Hughes
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Florian Hüttner
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Timothy H Hyndman
- School of Veterinary Medicine, Murdoch University, Murdoch, WA, Australia
| | - M Ilyas
- Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, USA
| | | | - Dàohóng Jiāng
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - Gilda B Jonson
- Rice Breeding Innovations Platform, International Rice Research Institute, Los Baños, Laguna, Philippines
| | - Sandra Junglen
- Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
- German Centre for Infection Research, Berlin, Germany
| | - Fujio Kadono
- Department of Clinical Plant Science, Faculty of Bioscience and Applied Chemistry, Hosei University, Koganei, Tokyo, Japan
| | - Karia H Kaukinen
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | | | - Boris Klempa
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Jonas Klingström
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Gary Kobinger
- Department of Microbiology, Immunology and Infectious Diseases, Université Laval, Quebec City, Canada
| | - Igor Koloniuk
- Plant Virology Department, Institute of Plant Molecular Biology, Biology Centre CAS, Ceske Budejovice, Czech Republic
| | - Hideki Kondō
- Institute of Plant Science and Resources, Okayama University, Kurashiki, Japan
| | - Eugene V Koonin
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Mart Krupovic
- Archaeal Virology Unit, Institut Pasteur, Paris, France
| | - Kenji Kubota
- Central Region Agricultural Research Center, NARO, Tsukuba, Ibaraki, Japan
| | - Gael Kurath
- US Geological Survey Western Fisheries Research Center, Seattle, WA, USA
| | - Lies Laenen
- KU Leuven, Rega Institute, Zoonotic Infectious Diseases unit, Leuven, Belgium
- Department of Laboratory Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Amy J Lambert
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | | | - Benhur Lee
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Eric M Leroy
- MIVEGEC (IRD-CNRS-Montpellier university) Unit, French National Research Institute for Sustainable Development (IRD), Montpellier, France
| | - Shaorong Li
- Fisheries and Oceans Canada, Pacific Biological Station, 3190 Hammond Bay Road, Nanaimo, BC, V9T 6N7, Canada
| | - Longhui Li
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Jiànróng Lǐ
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Huazhen Liu
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Igor S Lukashevich
- Department of Pharmacology and Toxicology, School of Medicine, and the Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville, Louisville, KY, USA
| | - Piet Maes
- KU Leuven, Rega Institute, Zoonotic Infectious Diseases unit, Leuven, Belgium
| | | | - Marco Marklewitz
- Institute of Virology, Charité-Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
- German Center for Infection Research (DZIF), Berlin, Germany
| | - Sergio H Marshall
- Pontificia Universidad Católica de Valparaíso, Campus Curauma, Valparaíso, Chile
| | - Shin-Yi L Marzano
- United States Department of Agriculture, Agricultural Research Service , Washington, USA
| | - Sebastien Massart
- Gembloux Agro-Bio Tech, TERRA, Plant Pathology Laboratory, Liège University, Liege, Belgium
| | - John W McCauley
- Worldwide Influenza Centre, Francis Crick Institute, London, UK
| | - Michael Melzer
- Plant and Environmental Protection Sciences, University of Hawai'i at Mānoa, Honolulu, HI, USA
| | | | - Kristina M Miller
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | - Tobi J Ming
- Molecular Genetics, Pacific Biological Station, Department of Fisheries and Oceans, Nanaimo, Canada
| | | | - Gideon J Mordecai
- Department of Medicine, Univeristy of British Columbia, Vancouver, Canada
| | | | - Elke Mühlberger
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA, USA
| | - Rayapati Naidu
- Department of Plant Pathology, Irrigated Agricultural Research and Extension Center, Washington State University, Prosser, WA, USA
| | - Tomohide Natsuaki
- School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi, Japan
| | - José A Navarro
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Sergey V Netesov
- Novosibirsk State University, Novosibirsk, Novosibirsk Oblast, Russia
| | - Gabriele Neumann
- Influenza Research Institute, Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Norbert Nowotny
- Institute of Virology, University of Veterinary Medicine Vienna, Vienna, Austria
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | | | | | - Gustavo Palacios
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Vicente Pallás
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Consejo Superior de Investigaciones Cientificas-Universidad Politécnica de Valencia, Valencia, Spain
| | - Bernadett Pályi
- National Biosafety Laboratory, National Public Health Center, Budapest, Hungary
| | - Anna Papa
- National Reference Centre for Arboviruses and Haemorrhagic Fever Viruses, Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Sofia Paraskevopoulou
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Adam C Park
- University of Hawaii, Honolulu, HI, USA
- Hawaii Department of Agriculture, Honolulu, HI, USA
| | - Colin R Parrish
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - David A Patterson
- Fisheries and Oceans Canada, Resource and Environmental Management, Simon Fraser University, Burnaby, BC, Canada
| | - Alex Pauvolid-Corrêa
- Department of Veterinary Integrated Biosciences and Department of Entomology, Texas A&M University, College Station, USA
- Laboratory of Respiratory Viruses and Measles, Fiocruz, Rio de Janeiro, Brazil
| | - Janusz T Pawęska
- Center for Emerging Zoonotic and Parasitic Diseases, National Institute for Communicable Diseases of the National Health Laboratory Service, Sandringham-Johannesburg, Gauteng, South Africa
| | - Susan Payne
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Carlotta Peracchio
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Daniel R Pérez
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Thomas S Postler
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Liying Qi
- Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi, People's Republic of China
| | | | - Renato O Resende
- Departamento de Biologia Celular, Universidade de Brasília, Brasília, Brazil
| | - Carina A Reyes
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET-UNLP, La Plata, Buenos Aires, Argentina
| | - Bertus K Rima
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, The Queen's University of Belfast, Belfast, Northern Ireland, UK
| | - Gabriel Robles Luna
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET-UNLP, La Plata, Buenos Aires, Argentina
| | - Víctor Romanowski
- Instituto de Biotecnología y Biología Molecular, Centro Cientifico Technológico-La Plata, Consejo Nacional de Investigaciones Científico Tecnológico-Universidad Nacional de La Plata, La Plata, Argentina
| | - Paul Rota
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Dennis Rubbenstroth
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Luisa Rubino
- Consiglio Nazionale delle Ricerche, Istituto per la Protezione Sostenibile delle Piante, Bari, Italy
| | - Jonathan A Runstadler
- Department of Infectious Disease and Global Health, Tufts University Cummings School of Veterinary Medicine, 200 Westboro Road, North Grafton, MA, 01536, USA
| | - Sead Sabanadzovic
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS, USA
| | | | - Maria S Salvato
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MA, USA
| | - Rosemary Sang
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Takahide Sasaya
- Institute for Plant Protection, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Angela D Schulze
- Molecular Genetics Lab, Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | - Martin Schwemmle
- Faculty of Medicine, University Medical Center-University Freiburg, Freiburg, Germany
| | - Mang Shi
- Sun Yat-sen University, Shenzhen, People's Republic of China
| | - Xiǎohóng Shí
- MRC-University of Glasgow Centre for Virus Research, Glasgow, Scotland, UK
| | - Zhènglì Shí
- CAS Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, People's Republic of China
| | | | - Yukio Shirako
- Asian Center for Bioresources and Environmental Sciences, University of Tokyo, Tokyo, Japan
| | - Stuart G Siddell
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Peter Simmonds
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Manuela Sironi
- Bioinformatics Unit, Scientific Institute IRCCS "E. Medea", Bosisio Parini, Italy
| | - Guy Smagghe
- Faculty of Bioscience Engineering, Department of Plants and Crops, Ghent University, Ghent, Belgium
| | - Sophie Smither
- CBR Division, DSTL, Porton Down, Salisbury, Wiltshire, UK
| | - Jin-Won Song
- Department of Microbiology, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Kirsten Spann
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Jessica R Spengler
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, USA
| | - Mark D Stenglein
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA
| | - David M Stone
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, Dorset, UK
| | | | - Curtis A Suttle
- Departments of Earth, Ocean and Atmospheric Sciences, Microbiology and Immunology, and Botany, and the Institute for Oceans and Fisheries, University of British Columbia, Vancouver, Canada
| | - Amy Tabata
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, BC, Canada
| | - Ayato Takada
- Division of Global Epidemiology, Research Center for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Shigeharu Takeuchi
- Japan Plant Protection Association Kochi Experiment Station, Konan, Kochi, Japan
| | - David P Tchouassi
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Amy Teffer
- Department of Forest Sciences, University of British Columbia, Vancouver, Canada
| | - Robert B Tesh
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | | | - Yasuhiro Tomitaka
- Kyushu Okinawa Agricultural Research Center, NARO, Koshi, Kumamoto, Japan
| | - Keizō Tomonaga
- Institute for Frontier Life and Medical Sciences (inFront), , Kyoto University, Kyoto, Japan
| | - Noël Tordo
- Unité des Stratégies Antivirales, WHO Collaborative Centre for Viral Haemorrhagic Fevers and Arboviruses, OIE Reference Laboratory for RVFV & CCHFV, Institut Pasteur, Paris, France
| | - Baldwyn Torto
- International Centre of Insect Physiology and Ecology, Nairobi, Kenya
| | - Jonathan S Towner
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
- Institut Pasteur de Guinée, Conakry, Guinea
| | - Shinya Tsuda
- Department of Clinical Plant Science, Faculty of Bioscience and Applied Chemistry, Hosei University, Koganei, Tokyo, Japan
| | - Changchun Tu
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, Jilin Province, People's Republic of China
| | - Massimo Turina
- National Institute of Optics, National Research Council of Italy (INO-CNR), Via Branze 45, 25123Brescia, Italy
| | - Ioannis E Tzanetakis
- Department of Entomology and Plant Pathology, Division of Agriculture, University of Arkansas System,, Fayetteville, AR, 72701, USA
| | | | - Tomio Usugi
- Central Region Agricultural Research Center, NARO, Tsukuba, Ibaraki, Japan
| | - Anna Maria Vaira
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Marta Vallino
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Bernadette van den Hoogen
- Department of Viroscience, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Arvind Varsani
- The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine School of Life Sciences, Arizona State University, Tempe, AZ, USA
- Structural Biology Research Unit, Department of Clinical Laboratory Sciences, University of Cape Town, Observatory, Cape Town, South Africa
| | - Nikos Vasilakis
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | - Martin Verbeek
- Wageningen University and Research, Biointeractions and Plant Health, Wageningen, The Netherlands
| | - Susanne von Bargen
- Division Phytomedicine, Faculty of Life Sciences, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Jiro Wada
- Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Frederick, MD, USA
| | - Victoria Wahl
- National Biodefense Analysis and Countermeasures Center, Fort Detrick, Frederick, MD, USA
| | - Peter J Walker
- School of Chemistry and Molecular Biosciences, University of Queensland, St. Lucia, QLD, Australia
| | - Lin-Fa Wang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Guoping Wang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yanxiang Wang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yaqin Wang
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Muhammad Waqas
- Key Laboratory of Crop Disease Monitoring and Safety Control in Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, People's Republic of China
| | - Tàiyún Wèi
- Fujian Province Key Laboratory of Plant Virology, Institute of Plant Virology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, People's Republic of China
| | - Shaohua Wen
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Anna E Whitfield
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, USA
| | - John V Williams
- School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yuri I Wolf
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Jiangxiang Wu
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
| | - Lei Xu
- Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi, People's Republic of China
| | | | - Caixia Yang
- College of Life Science and Engineering, Shenyang University, Shenyang, Liaoning, People's Republic of China
| | - Zuokun Yang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - F Murilo Zerbini
- Departamento de Fitopatologia, Instituto de Biotecnologia Aplicada à Agropecuária, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Lifeng Zhai
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan, 430070, Hubei , People's Republic of China
| | - Yong-Zhen Zhang
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, Beijing, People's Republic of China
- Shanghai Public Health Clinical Center & Institutes of Biomedical Sciences, Fudan University, Shanghai, People's Republic of China
| | - Song Zhang
- National Citrus Engineering and Technology Research Center, Citrus Research Institute, Southwest University, Beibei, Chongqing, People's Republic of China
| | - Jinguo Zhang
- National Sand Pear Germplasm Repository in Wuchang, Research Institute of Fruit and Tea, Hubei Academy of Agricultural Science, Wuhan, Hubei, People's Republic of China
| | - Zhe Zhang
- Key Lab of Plant Pathology of Hubei Province, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Xueping Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, People's Republic of China
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Ong S, Jonson GB, Calassanzio M, Rin S, Chou C, Oi T, Sato I, Takemoto D, Tanaka T, Choi IR, Nign C, Chiba S. Geographic Distribution, Genetic Variability and Biological Properties of Rice Orange Leaf Phytoplasma in Southeast Asia. Pathogens 2021; 10:pathogens10020169. [PMID: 33557226 PMCID: PMC7913950 DOI: 10.3390/pathogens10020169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/27/2021] [Accepted: 01/29/2021] [Indexed: 11/16/2022] Open
Abstract
Rice orange leaf phytoplasma (ROLP) causes clear orange to yellowish leaf discoloration and severe stunting in rice seedlings. The ecological and biological characteristics of ROLP are largely unknown because the disease has not widely caused serious problems in rice cultivated areas, thereby leading to the low accumulation of research data. However, in the past decade, the disease became a threat to rice production, particularly in South China and India; it has also been recognised in other Asian countries, such as Vietnam, Thailand and the Philippines. Here, we observed the occurrence of ROLP in paddies of the Southeast Asian counties (Cambodia, Vietnam and the Philippines) and found that the isolates in the Philippines and Vietnam were monophyletic, while those in India, Thailand and Cambodia were more diverse, suggesting their potential origins. In Cambodia, it was revealed that following polymerase chain reaction (PCR) detection, the known ROLP-insect vectors, N. virescens Distant and Recilia dorsalis Motchulsky, were ROLP-positive, indicating their roles in pathogen dispersal. Moreover, fluorescent and scanning electron microscopy revealed the intensive accumulation of the phytoplasma in phloem tissues and massive accumulation of storage starch in vascular bundle sheath and parenchyma. Altogether, this study illustrated the genetic variability of global ROLP isolates and the pathogen’s biological impact on rice tissue.
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Affiliation(s)
- Socheath Ong
- Department of Crop Protection, Faculty of Agronomy, Royal University of Agriculture, Ministry of Agriculture, Forestry and Fisheries, Dangkor District, Phnom Penh 370, Cambodia;
- Nagoya University Asian Satellite Campuses Institute—Cambodian Campus, Royal University of Agriculture, Dangkor District, Phnom Penh 370, Cambodia; (S.R.); (I.-R.C.)
| | - Gilda B. Jonson
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna 4031, Philippines;
| | - Matteo Calassanzio
- Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin, 40127 Bologna, Italy;
- Renolab Good Laboratory Practice, A Tentamus Company, Via XXV Aprile, San Giorgio di Piano, 40016 Bologna, Italy
| | - Soriya Rin
- Nagoya University Asian Satellite Campuses Institute—Cambodian Campus, Royal University of Agriculture, Dangkor District, Phnom Penh 370, Cambodia; (S.R.); (I.-R.C.)
| | - Cheythyrith Chou
- General Directorate of Agriculture, Ministry of Agriculture, Forestry and Fisheries, Tuol Kork, Phnom Penh 370, Cambodia; (C.C.); (C.N.)
| | - Takao Oi
- Department of Plant Production Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (T.O.); (I.S.); (D.T.); (T.T.)
| | - Ikuo Sato
- Department of Plant Production Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (T.O.); (I.S.); (D.T.); (T.T.)
| | - Daigo Takemoto
- Department of Plant Production Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (T.O.); (I.S.); (D.T.); (T.T.)
| | - Toshiharu Tanaka
- Department of Plant Production Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (T.O.); (I.S.); (D.T.); (T.T.)
| | - Il-Ryong Choi
- Nagoya University Asian Satellite Campuses Institute—Cambodian Campus, Royal University of Agriculture, Dangkor District, Phnom Penh 370, Cambodia; (S.R.); (I.-R.C.)
- International Rice Research Institute—Korea Office, National Institute of Crop Science, Wanju-Gun 235, Jeollabuk-Do, Korea
| | - Chhay Nign
- General Directorate of Agriculture, Ministry of Agriculture, Forestry and Fisheries, Tuol Kork, Phnom Penh 370, Cambodia; (C.C.); (C.N.)
| | - Sotaro Chiba
- Department of Plant Production Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan; (T.O.); (I.S.); (D.T.); (T.T.)
- Correspondence:
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Kuhn JH, Adkins S, Alioto D, Alkhovsky SV, Amarasinghe GK, Anthony SJ, Avšič-Županc T, Ayllón MA, Bahl J, Balkema-Buschmann A, Ballinger MJ, Bartonička T, Basler C, Bavari S, Beer M, Bente DA, Bergeron É, Bird BH, Blair C, Blasdell KR, Bradfute SB, Breyta R, Briese T, Brown PA, Buchholz UJ, Buchmeier MJ, Bukreyev A, Burt F, Buzkan N, Calisher CH, Cao M, Casas I, Chamberlain J, Chandran K, Charrel RN, Chen B, Chiumenti M, Choi IR, Clegg JCS, Crozier I, da Graça JV, Dal Bó E, Dávila AMR, de la Torre JC, de Lamballerie X, de Swart RL, Di Bello PL, Di Paola N, Di Serio F, Dietzgen RG, Digiaro M, Dolja VV, Dolnik O, Drebot MA, Drexler JF, Dürrwald R, Dufkova L, Dundon WG, Duprex WP, Dye JM, Easton AJ, Ebihara H, Elbeaino T, Ergünay K, Fernandes J, Fooks AR, Formenty PBH, Forth LF, Fouchier RAM, Freitas-Astúa J, Gago-Zachert S, Gāo GF, García ML, García-Sastre A, Garrison AR, Gbakima A, Goldstein T, Gonzalez JPJ, Griffiths A, Groschup MH, Günther S, Guterres A, Hall RA, Hammond J, Hassan M, Hepojoki J, Hepojoki S, Hetzel U, Hewson R, Hoffmann B, Hongo S, Höper D, Horie M, Hughes HR, Hyndman TH, Jambai A, Jardim R, Jiāng D, Jin Q, Jonson GB, Junglen S, Karadağ S, Keller KE, Klempa B, Klingström J, Kobinger G, Kondō H, Koonin EV, Krupovic M, Kurath G, Kuzmin IV, Laenen L, Lamb RA, Lambert AJ, Langevin SL, Lee B, Lemos ERS, Leroy EM, Li D, Lǐ J, Liang M, Liú W, Liú Y, Lukashevich IS, Maes P, Marciel de Souza W, Marklewitz M, Marshall SH, Martelli GP, Martin RR, Marzano SYL, Massart S, McCauley JW, Mielke-Ehret N, Minafra A, Minutolo M, Mirazimi A, Mühlbach HP, Mühlberger E, Naidu R, Natsuaki T, Navarro B, Navarro JA, Netesov SV, Neumann G, Nowotny N, Nunes MRT, Nylund A, Økland AL, Oliveira RC, Palacios G, Pallas V, Pályi B, Papa A, Parrish CR, Pauvolid-Corrêa A, Pawęska JT, Payne S, Pérez DR, Pfaff F, Radoshitzky SR, Rahman AU, Ramos-González PL, Resende RO, Reyes CA, Rima BK, Romanowski V, Robles Luna G, Rota P, Rubbenstroth D, Runstadler JA, Ruzek D, Sabanadzovic S, Salát J, Sall AA, Salvato MS, Sarpkaya K, Sasaya T, Schwemmle M, Shabbir MZ, Shí X, Shí Z, Shirako Y, Simmonds P, Širmarová J, Sironi M, Smither S, Smura T, Song JW, Spann KM, Spengler JR, Stenglein MD, Stone DM, Straková P, Takada A, Tesh RB, Thornburg NJ, Tomonaga K, Tordo N, Towner JS, Turina M, Tzanetakis I, Ulrich RG, Vaira AM, van den Hoogen B, Varsani A, Vasilakis N, Verbeek M, Wahl V, Walker PJ, Wang H, Wang J, Wang X, Wang LF, Wèi T, Wells H, Whitfield AE, Williams JV, Wolf YI, Wú Z, Yang X, Yáng X, Yu X, Yutin N, Zerbini FM, Zhang T, Zhang YZ, Zhou G, Zhou X. 2020 taxonomic update for phylum Negarnaviricota (Riboviria: Orthornavirae), including the large orders Bunyavirales and Mononegavirales. Arch Virol 2020; 165:3023-3072. [PMID: 32888050 PMCID: PMC7606449 DOI: 10.1007/s00705-020-04731-2] [Citation(s) in RCA: 134] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/04/2020] [Indexed: 12/13/2022]
Abstract
In March 2020, following the annual International Committee on Taxonomy of Viruses (ICTV) ratification vote on newly proposed taxa, the phylum Negarnaviricota was amended and emended. At the genus rank, 20 new genera were added, two were deleted, one was moved, and three were renamed. At the species rank, 160 species were added, four were deleted, ten were moved and renamed, and 30 species were renamed. This article presents the updated taxonomy of Negarnaviricota as now accepted by the ICTV.
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Affiliation(s)
- Jens H Kuhn
- Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, MD, USA.
| | - Scott Adkins
- United States Department of Agriculture, Agricultural Research Service, US Horticultural Research Laboratory, Fort Pierce, FL, USA
| | - Daniela Alioto
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Portici, Italy
| | - Sergey V Alkhovsky
- D.I. Ivanovsky Institute of Virology of N.F. Gamaleya National Center on Epidemiology and Microbiology of Ministry of Health of Russian Federation, Moscow, Russia
| | - Gaya K Amarasinghe
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Simon J Anthony
- Mailman School of Public Health, Columbia University, New York, NY, USA
- EcoHealth Alliance, New York, NY, USA
| | | | - María A Ayllón
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Madrid, Spain
| | - Justin Bahl
- Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Institute of Bioinformatics, Center for Ecology of Infectious Diseases, University of Georgia, Athens, GA, USA
| | - Anne Balkema-Buschmann
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Greifswald-Insel Riems, Germany
| | - Matthew J Ballinger
- Department of Biological Sciences, Mississippi State University, Mississippi State, MS, USA
| | - Tomáš Bartonička
- Department of Botany and Zoology, Masaryk University, Brno, Czech Republic
| | - Christopher Basler
- Center for Microbial Pathogenesis, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Sina Bavari
- Edge BioInnovation Consulting and Mgt, Frederick, MD, USA
| | - Martin Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Dennis A Bente
- Galveston National Laboratory, The University of Texas, Medical Branch at Galveston, Galveston, TX, USA
| | - Éric Bergeron
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Brian H Bird
- School of Veterinary Medicine, One Health Institute, University of California, Davis, CA, USA
| | - Carol Blair
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, USA
| | - Kim R Blasdell
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australian Centre for Disease Preparedness, Geelong, VIC, Australia
| | - Steven B Bradfute
- University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Rachel Breyta
- US Geological Survey, Western Fisheries Research Center, Seattle, WA, USA
| | - Thomas Briese
- Department of Epidemiology, Mailman School of Public Health, Center for Infection and Immunity, Columbia University, New York, NY, USA
| | - Paul A Brown
- Laboratory of Ploufragan-Plouzané-Niort, French Agency for Food, Environmental and Occupational Heath Safety ANSES, Ploufragan, France
| | - Ursula J Buchholz
- RNA Viruses Section, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Michael J Buchmeier
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | - Alexander Bukreyev
- Galveston National Laboratory, The University of Texas, Medical Branch at Galveston, Galveston, TX, USA
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | - Felicity Burt
- Division of Virology, National Health Laboratory Service, University of the Free State, Bloemfontein, Republic of South Africa
| | - Nihal Buzkan
- Department of Plant Protection, Faculty of Agriculture, Kahramanmaras Sütçü Imam University, Avsar Campus, 46060, Kahramanmaras, Turkey
| | | | - Mengji Cao
- National Citrus Engineering Research Center, Citrus Research Institute, Southwest University, Chongqing, 400712, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Inmaculada Casas
- Respiratory Virus and Influenza Unit, National Microbiology Center, Instituto de Salud Carlos III, Madrid, Spain
| | - John Chamberlain
- Virology and Pathogenesis Group, National Infection Service, Public Health England, Porton Down, UK
| | - Kartik Chandran
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Rémi N Charrel
- Unité des Virus Emergents (Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France
| | - Biao Chen
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Agriculture, South China Agricultural University, Guangdong, China
| | - Michela Chiumenti
- Istituto per la Protezione Sostenibile delle Piante-Consiglio Nazionale delle ricerche (Institute for Sustainable Plant Protection-National Research Council), Bari, Italy
| | - Il-Ryong Choi
- Plant Breeding Genetics and Biotechnology Division, International Rice Research Institute, Los Baños, Philippines
| | | | - Ian Crozier
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - John V da Graça
- Texas A&M University-Kingsville Citrus Center, Weslaco, TX, USA
| | - Elena Dal Bó
- CIDEFI. Facultad de Ciencias Agrarias y Forestales, Universidad de La Plata, La Plata, Argentina
| | - Alberto M R Dávila
- Laboratório de Biologia Computacional e Sistemas, Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil
| | - Juan Carlos de la Torre
- Department of Immunology and Microbiology IMM-6, The Scripps Research Institute, La Jolla, CA, USA
| | - Xavier de Lamballerie
- Unité des Virus Emergents (Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France
| | - Rik L de Swart
- Department Viroscience, Erasmus MC University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Patrick L Di Bello
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, 97331, USA
| | - Nicholas Di Paola
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Francesco Di Serio
- Istituto per la Protezione Sostenibile delle Piante-Consiglio Nazionale delle ricerche (Institute for Sustainable Plant Protection-National Research Council), Bari, Italy
| | - Ralf G Dietzgen
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, QLD, Australia
| | - Michele Digiaro
- CIHEAM, Istituto Agronomico Mediterraneo di Bari, Valenzano, Italy
| | - Valerian V Dolja
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, USA
| | - Olga Dolnik
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Michael A Drebot
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Jan Felix Drexler
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
| | | | | | - William G Dundon
- Animal Production and Health Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Department of Nuclear Sciences and Applications, International Atomic Energy Agency, Vienna, Austria
| | - W Paul Duprex
- School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - John M Dye
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Andrew J Easton
- School of Life Sciences, University of Warwick, Coventry, UK
| | - Hideki Ebihara
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Koray Ergünay
- Virology Unit, Department of Medical Microbiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Jorlan Fernandes
- Laboratório de Hantaviroses e Rickettsioses, Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil
| | | | | | - Leonie F Forth
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Ron A M Fouchier
- Department Viroscience, Erasmus MC University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | | | - Selma Gago-Zachert
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Halle/Saale, Germany
| | - George Fú Gāo
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - María Laura García
- Instituto de Biotecnología y Biología Molecular, Facultad de Ciencias Exactas, CONICET UNLP, La Plata, Argentina
| | | | - Aura R Garrison
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Aiah Gbakima
- Metabiota, Inc. Sierra Leone, Freetown, Sierra Leone
| | - Tracey Goldstein
- One Health Institute, Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Jean-Paul J Gonzalez
- Department of Microbiology and Immunology, Division of Biomedical Graduate Research Organization, School of Medicine, Georgetown University, Washington, DC, 20057, USA
- Centaurus Biotechnologies, CTP, Manassas, VA, USA
| | - Anthony Griffiths
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA, USA
| | - Martin H Groschup
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Greifswald-Insel Riems, Germany
| | - Stephan Günther
- Department of Virology, Bernhard-Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arboviruses and Hemorrhagic Fever Reference and Research, Hamburg, Germany
| | - Alexandro Guterres
- Laboratório de Hantaviroses e Rickettsioses, Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil
| | - Roy A Hall
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - John Hammond
- United States Department of Agriculture, Agricultural Research Service, USNA, Floral and Nursery Plants Research Unit, Beltsville, MD, USA
| | - Mohamed Hassan
- Department of Agricultural Botany, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | - Jussi Hepojoki
- Department of Virology, University of Helsinki, Medicum, Helsinki, Finland
- Vetsuisse Faculty, Institute of Veterinary Pathology, University of Zurich, Zurich, Switzerland
| | - Satu Hepojoki
- Department of Virology, University of Helsinki, Medicum, Helsinki, Finland
- Mobidiag Ltd, Espoo, Finland
| | - Udo Hetzel
- Institute of Veterinary Pathology, University of Zuerich, Zurich, Switzerland
| | - Roger Hewson
- Public Health England, Porton Down, Salisbury, Wiltshire, UK
| | - Bernd Hoffmann
- Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Seiji Hongo
- Department of Infectious Diseases, Faculty of Medicine, Yamagata University, Yamagata, Japan
| | - Dirk Höper
- Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Masayuki Horie
- Hakubi Center for Advanced Research, Kyoto University, Kyoto, Japan
| | - Holly R Hughes
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Timothy H Hyndman
- School of Veterinary Medicine, Murdoch University, Murdoch, WA, Australia
| | - Amara Jambai
- Ministry of Health and Sanitation, Freetown, Sierra Leone
| | - Rodrigo Jardim
- Laboratório de Biologia Computacional e Sistemas, Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil
| | - Dàohóng Jiāng
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Qi Jin
- Ministry of Health Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Gilda B Jonson
- Department of Agricultural Biotechnology, Center for Fungal Pathogenesis, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Sandra Junglen
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
- German Center for Infection Research (DZIF), Berlin, Germany
| | - Serpil Karadağ
- Republic Of Turkey Ministry Of Agriculture And Forestry, Pistachio Research Institute, Gaziantep, Turkey
| | - Karen E Keller
- United States Department of Agriculture, Agricultural Research Service, Horticulture Crops Research Unit, Corvallis, OR, USA
| | - Boris Klempa
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Jonas Klingström
- Department of Medicine Huddinge, Center for Infectious Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Gary Kobinger
- Department of Microbiology, Immunology and Infectious Diseases, Université Laval, Quebec City, Canada
| | - Hideki Kondō
- Institute of Plant Science and Resources, Okayama University, Kurashiki, Japan
| | - Eugene V Koonin
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Mart Krupovic
- Archaeal Virology Unit, Institut Pasteur, Paris, France
| | - Gael Kurath
- US Geological Survey Western Fisheries Research Center, Seattle, WA, USA
| | - Ivan V Kuzmin
- US Department of Agriculture, Animal and Plant Health Inspection, National Veterinary Services Laboratories, Diagnostic Virology Laboratory, Ames, USA
| | - Lies Laenen
- Zoonotic Infectious Diseases Unit, KU Leuven, Rega Institute, Leuven, Belgium
- Department of Laboratory Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Robert A Lamb
- Department of Molecular Biosciences, Northwestern University, Evanston, IL, USA
- Howard Hughes Medical Institute, Northwestern University, Evanston, IL, USA
| | - Amy J Lambert
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | | | - Benhur Lee
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Elba R S Lemos
- Laboratório de Hantaviroses e Rickettsioses, Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil
| | - Eric M Leroy
- MIVEGEC (IRD-CNRS-Montpellier university) Unit, French National Research Institute for Sustainable Development (IRD), Montpellier, France
| | - Dexin Li
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiànróng Lǐ
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Mifang Liang
- Key Laboratory for Medical Virology, NHFPC, National Institute for Viral Disease Control and Prevention, Beijing, China
| | - Wénwén Liú
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yàn Liú
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Igor S Lukashevich
- Department of Pharmacology and Toxicology, School of Medicine, The Center for Predictive Medicine for Biodefense and Emerging Infectious Diseases, University of Louisville, Louisville, KY, USA
| | - Piet Maes
- Department of Agricultural Biotechnology, Center for Fungal Pathogenesis, College of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | | | - Marco Marklewitz
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Berlin, Germany
- German Center for Infection Research (DZIF), Berlin, Germany
| | - Sergio H Marshall
- Pontificia Universidad Católica de Valparaíso, Campus Curauma, Valparaíso, Chile
| | - Giovanni P Martelli
- Department of Plant, Soil and Food Sciences, University "Aldo Moro", Bari, Italy
| | - Robert R Martin
- United States Department of Agriculture, Horticultural Crops Research Unit, Corvallis, OR, USA
| | - Shin-Yi L Marzano
- Department of Biology and Microbiology, Department of Plant Sciences, South Dakota State University, Brookings, SD, USA
| | - Sébastien Massart
- Gembloux Agro-Bio Tech, TERRA, Plant Pathology Laboratory, Liège University, Liège, Belgium
| | - John W McCauley
- Worldwide Influenza Centre, Francis Crick Institute, London, UK
| | | | - Angelantonio Minafra
- Istituto per la Protezione Sostenibile delle Piante-Consiglio Nazionale delle ricerche (Institute for Sustainable Plant Protection-National Research Council), Bari, Italy
| | - Maria Minutolo
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Portici, Italy
| | | | | | - Elke Mühlberger
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA, USA
| | - Rayapati Naidu
- Department of Plant Pathology, Irrigated Agricultural Research and Extension Center, Washington State University, Prosser, WA, USA
| | - Tomohide Natsuaki
- School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi, Japan
| | - Beatriz Navarro
- Istituto per la Protezione Sostenibile delle Piante-Consiglio Nazionale delle ricerche (Institute for Sustainable Plant Protection-National Research Council), Bari, Italy
| | - José A Navarro
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Sergey V Netesov
- Novosibirsk State University, Novosibirsk, Novosibirsk Oblast, Russia
| | - Gabriele Neumann
- Department of Pathobiological Sciences, Influenza Research Institute, University of Wisconsin-Madison, Madison, USA
| | - Norbert Nowotny
- Institute of Virology, University of Veterinary Medicine Vienna, Vienna, Austria
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | | | - Are Nylund
- Fish Disease Research Group, Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Arnfinn L Økland
- Fish Disease Research Group, Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Renata C Oliveira
- Laboratório de Hantaviroses e Rickettsioses, Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil
| | - Gustavo Palacios
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Vicente Pallas
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Consejo Superior de Investigaciones Cientificas-Universidad Politécnica de Valencia, Valencia, Spain
| | - Bernadett Pályi
- National Biosafety Laboratory, National Public Health Center, Budapest, Hungary
| | - Anna Papa
- National Reference Centre for Arboviruses and Haemorrhagic Fever Viruses, Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloníki, Greece
| | - Colin R Parrish
- College of Veterinary Medicine, Baker Institute for Animal Health, Cornell University, Ithaca, NY, USA
| | - Alex Pauvolid-Corrêa
- Department of Veterinary Integrated Biosciences and Department of Entomology, Texas A&M University, College Station, USA
| | - Janusz T Pawęska
- Center for Emerging Zoonotic and Parasitic Diseases, National Institute for Communicable Diseases of the National Health Laboratory Service, Sandringham-Johannesburg, Gauteng, South Africa
| | - Susan Payne
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Daniel R Pérez
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Florian Pfaff
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Sheli R Radoshitzky
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Aziz-Ul Rahman
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | | | - Renato O Resende
- Departamento de Biologia Celular, Universidade de Brasília, Brasília, Brazil
| | - Carina A Reyes
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET-UNLP, La Plata, Buenos Aires, Argentina
| | - Bertus K Rima
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, The Queen's University of Belfast, Belfast, Northern Ireland, UK
| | - Víctor Romanowski
- Instituto de Biotecnología y Biología Molecular, Centro Cientifico Technológico-La Plata, Consejo Nacional de Investigaciones Científico Tecnológico-Universidad Nacional de La Plata, La Plata, Argentina
| | - Gabriel Robles Luna
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET-UNLP, La Plata, Buenos Aires, Argentina
| | - Paul Rota
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Dennis Rubbenstroth
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Jonathan A Runstadler
- Department of Infectious Disease and Global Health, Tufts University Cummings School of Veterinary Medicine, 200 Westboro Road, North Grafton, MA, 01536, USA
| | - Daniel Ruzek
- Veterinary Research Institute, Brno, Czech Republic
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic
| | - Sead Sabanadzovic
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS, USA
| | - Jiří Salát
- Veterinary Research Institute, Brno, Czech Republic
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic
| | | | - Maria S Salvato
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Kamil Sarpkaya
- Department of Forestry Engineering, Faculty of Forestry, Karabuk University (UNIKA), Karabük, Turkey
| | - Takahide Sasaya
- Western Region Agricultural Research Center, National Agriculture and Food Research Organization, Fukuyama, Japan
| | - Martin Schwemmle
- Faculty of Medicine, University Medical Center-University Freiburg, Freiburg, Germany
| | - Muhammad Z Shabbir
- Institute of Microbiology, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Xiǎohóng Shí
- MRC-University of Glasgow Centre for Virus Research, Glasgow, Scotland, UK
| | - Zhènglì Shí
- CAS Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, People's Republic of China
| | - Yukio Shirako
- Asian Center for Bioresources and Environmental Sciences, University of Tokyo, Tokyo, Japan
| | - Peter Simmonds
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | | | - Manuela Sironi
- Bioinformatics Unit, Scientific Institute IRCCS "E. Medea", Bosisio Parini, Italy
| | - Sophie Smither
- CBR Division, Dstl, Porton Down, Salisbury, Wiltshire, UK
| | - Teemu Smura
- Department of Virology, University of Helsinki, Medicum, Helsinki, Finland
| | - Jin-Won Song
- Department of Microbiology, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Kirsten M Spann
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Jessica R Spengler
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Mark D Stenglein
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA
| | - David M Stone
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, Dorset, UK
| | | | - Ayato Takada
- Division of Global Epidemiology, Research Center for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Robert B Tesh
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | | | - Keizō Tomonaga
- Institute for Frontier Life and Medical Sciences (inFront), Kyoto University, Kyoto, Japan
| | - Noël Tordo
- Institut Pasteur, Unité des Stratégies Antivirales, WHO Collaborative Centre for Viral Haemorrhagic Fevers and Arboviruses, OIE Reference Laboratory for RVFV and CCHFV, Paris, France
- Institut Pasteur de Guinée, Conakry, Guinea
| | - Jonathan S Towner
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Massimo Turina
- Institute for Sustainable Plant Protection, National Research Council of Italy (CNR), Strada delle Cacce 73, 10135, Turin, Italy
| | - Ioannis Tzanetakis
- Division of Agriculture, Department of Entomology and Plant Pathology, University of Arkansas System, Fayetteville, AR, 72701, USA
| | - Rainer G Ulrich
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493, Greifswald-Insel Riems, Germany
- German Center of Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Insel Riems, Greifswald-Insel Riems, Germany
| | - Anna Maria Vaira
- Institute for Sustainable Plant Protection, National Research Council of Italy (IPSP-CNR), 73 Strada delle Cacce, 10135, Turin, Italy
| | - Bernadette van den Hoogen
- Department of Viroscience, Erasmus MC University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Arvind Varsani
- The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine School of Life Sciences, Arizona State University, Tempe, AZ, USA
- Structural Biology Research Unit, Department of Clinical Laboratory Sciences, University of Cape Town, Observatory, Cape Town, South Africa
| | - Nikos Vasilakis
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | - Martin Verbeek
- Wageningen University and Research, Biointeractions and Plant Health, Wageningen, The Netherlands
| | - Victoria Wahl
- National Biodefense Analysis and Countermeasures Center, Fort Detrick, Frederick, MD, USA
| | - Peter J Walker
- School of Biological Sciences, University of Queensland, St. Lucia, Queensland, Australia
| | - Hui Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianwei Wang
- NHC Key Laboratory of Systems Biology of Pathogens and Christophe Mérieux Laboratory, IPB-Fondation Mérieux, Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xifeng Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lin-Fa Wang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Tàiyún Wèi
- Fujian Province Key Laboratory of Plant Virology, Institute of Plant Virology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Heather Wells
- Mailman School of Public Health, Center for Infection and Immunity, Columbia University, New York, USA
| | - Anna E Whitfield
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, USA
| | - John V Williams
- School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yuri I Wolf
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Zhìqiáng Wú
- MOH Key Laboratory of Systems Biology of Pathogens, IPB, CAMS, Beijing, China
| | - Xin Yang
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Agriculture, South China Agricultural University, Guangdong, China
| | - Xīnglóu Yáng
- CAS Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, People's Republic of China
| | - Xuejie Yu
- Wuhan University School of Health Sciences, Wuhan, China
| | - Natalya Yutin
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - F Murilo Zerbini
- Departamento de Fitopatologia, Instituto de Biotecnologia Aplicada à Agropecuária, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Tong Zhang
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Agriculture, South China Agricultural University, Guangdong, China
| | - Yong-Zhen Zhang
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, Beijing, China
- Shanghai Public Health Clinical Center, Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Guohui Zhou
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Agriculture, South China Agricultural University, Guangdong, China
| | - Xueping Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
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7
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Jonson GB, Matres JM, Ong S, Tanaka T, Choi IR, Chiba S. Reemerging Rice Orange Leaf Phytoplasma with Varying Symptoms Expressions and Its Transmission by a New Leafhopper Vector- Nephotettix virescens Distant. Pathogens 2020; 9:pathogens9120990. [PMID: 33256154 PMCID: PMC7761223 DOI: 10.3390/pathogens9120990] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/20/2020] [Accepted: 11/20/2020] [Indexed: 11/16/2022] Open
Abstract
Rice orange leaf phytoplasma (ROLP) belongs to the "Candidatus Phytoplasma asteris" 16SrI-B subgroup, which is solely transmitted by the zigzag-striped leafhopper (Recilia dorsalis Motchulsky) and the green leafhopper (Nephotettix cincticeps Uhler) (Hemiptera: Cicadellidae). Recently, rice plants showing orange leaf discoloration have become ubiquitous in several paddies of two provinces in the Philippines. In total of 98 symptomatic rice plants, 82% (Laguna) and 95% (Mindanao) were ROLP-positive by nested PCR detection. These plants showed more varying symptoms than previously reported. The vector insect R. dorsalis was scarcely present but green paddy leafhopper, N. virescens Distant (Hemiptera: Cicadellidae), was commonly observed in the paddies, thus the ability of N. virescens to transmit ROLP was thoroughly investigated. Newly emerged adult N. virescens, which fed on ROLD-source rice plants, were used to inoculate a susceptible rice seedling and was serially transferred into a new healthy seedling. Resultant positive transmission rates varied from 5.1% to 17.8%. The transmission ability of the insects was generally decreased over time. These findings suggest that N. virescens is an alternative vector of ROLP in the Philippines. Altogether, this study highlighted the increasing importance of ROLD-reemergence in Southeast and East Asia and proved the need for careful management of this alternative vector insect.
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Affiliation(s)
- Gilda B. Jonson
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna 4031, Philippines; (G.B.J.); (J.M.M.); (I.-R.C.)
| | - Jerlie M. Matres
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna 4031, Philippines; (G.B.J.); (J.M.M.); (I.-R.C.)
| | - Socheath Ong
- Department of Crop Protection, Faculty of Agronomy, Royal University of Agriculture, Ministry of Agriculture, Forestry and Fisheries, Chamkar Duang, Dangkor District, Phnom Penh 370, Cambodia;
- Nagoya University Asian Satellite Campuses Institute—Cambodian Campus, Royal University of Agriculture, Phnom Penh 2696, Cambodia
| | - Toshiharu Tanaka
- Plant Pathology Lab., Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan;
| | - Il-Ryong Choi
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna 4031, Philippines; (G.B.J.); (J.M.M.); (I.-R.C.)
- Nagoya University Asian Satellite Campuses Institute—Cambodian Campus, Royal University of Agriculture, Phnom Penh 2696, Cambodia
| | - Sotaro Chiba
- Plant Pathology Lab., Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan;
- Correspondence:
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8
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Encabo JR, Macalalad-Cabral RJA, Matres JMK, Coronejo SCTP, Jonson GB, Kishima Y, Henry A, Choi IR. Infection with an asymptomatic virus in rice results in a delayed drought response. Funct Plant Biol 2020; 47:239-249. [PMID: 32045562 DOI: 10.1071/fp19241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 11/01/2019] [Indexed: 05/17/2023]
Abstract
Infection of viruses in plants often modifies plant responses to biotic and abiotic stresses. In the present study we examined the effects of Rice tungro spherical virus (RTSV) infection on drought response in rice. RTSV infection delayed the onset of leaf rolling by 1-2 days. During the delay in drought response, plants infected with RTSV showed higher stomatal conductance and less negative leaf water potential under drought than those of uninfected plants, indicating that RTSV-infected leaves were more hydrated. Other growth and physiological traits of plants under drought were not altered by infection with RTSV. An expression analysis of genes for drought response-related transcription factors showed that the expression of OsNAC6 and OsDREB2a was less activated by drought in RTSV-infected plants than in uninfected plants, further suggesting improved water status of the plants due to RTSV infection. RTSV accumulated more in plants under drought than in well-watered plants, indicating the increased susceptibility of rice plants to RTSV infection by drought. Collectively, these results indicated that infection with RTSV can transiently mitigate the influence of drought stress on rice plants by increasing leaf hydration, while drought increased the susceptibility of rice plants to RTSV.
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Affiliation(s)
- Jaymee R Encabo
- Rice Breeding Platform, International Rice Research Institute, Pili Drive, Los Baños, Laguna, 4031 Philippines; and Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan; and Microbiology Division, Institute of Biological Sciences, University of the Philippines Los Baños, Los Baños, Laguna, 4031, Philippines
| | | | - Jerlie Mhay K Matres
- Rice Breeding Platform, International Rice Research Institute, Pili Drive, Los Baños, Laguna, 4031 Philippines
| | | | - Gilda B Jonson
- Rice Breeding Platform, International Rice Research Institute, Pili Drive, Los Baños, Laguna, 4031 Philippines
| | - Yuji Kishima
- Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, 060-8589, Japan
| | - Amelia Henry
- Strategic Innovation Platform, International Rice Research Institute, Pili Drive, Los Baños, Laguna, 4031, Philippines; and Corresponding authors. ;
| | - Il-Ryong Choi
- Rice Breeding Platform, International Rice Research Institute, Pili Drive, Los Baños, Laguna, 4031 Philippines; and Corresponding authors. ;
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9
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Kim SR, Torollo G, Yoon MR, Kwak J, Lee CK, Prahalada GD, Choi IR, Yeo US, Jeong OY, Jena KK, Lee JS. Loss-of-Function Alleles of Heading date 1 ( Hd1) Are Associated With Adaptation of Temperate Japonica Rice Plants to the Tropical Region. Front Plant Sci 2018; 9:1827. [PMID: 30619400 PMCID: PMC6295564 DOI: 10.3389/fpls.2018.01827] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 11/26/2018] [Indexed: 05/11/2023]
Abstract
Adaptation of temperate japonica rice varieties to tropical regions is impeded by extremely early flowering probably due to photoperiod change from long to short. However, constant breeding efforts led to development of temperate japonica varieties adapted to tropical/subtropical regions, but the genetic factor underlying this is still elusive. We analyzed the 45 diverse rice accessions and 12 tropical-adapted temperate japonica lines for the allele types of seven major flowering genes Hd1, OsPPR37, DTH8, Ghd7, Ehd1, RFT1, and Hd3a and flowering time under three different field conditions in temperate and tropical locations. The accessions originated from the tropical/subtropical regions preferred the non-functional alleles of Hd1 and not other flowering genes. The genetic effect analysis of each gene showed that only the functional Hd1 caused early flowering in the tropical location. All 12 temperate japonica breeding lines adapted to the tropics possessed the loss-of-function alleles of Hd1 with no change of other flowering genes compared to common Korean temperate japonica varieties. A phylogenetic analysis using 2,918 SNP data points revealed that the genome status of the 12 breeding lines were very similar to Korean temperate japonica varieties. These results indicate that the functional Hd1 alleles of temperate japonica varieties induced extremely early flowering in the tropics and the non-functional hd1 alleles brought about the adaptation of temperate japonica rice to tropical regions.
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Affiliation(s)
- Sung-Ryul Kim
- Strategic Innovation Platform, International Rice Research Institute, Metro Manila, Philippines
| | - Gideon Torollo
- Rice Breeding Platform, International Rice Research Institute, Metro Manila, Philippines
| | - Mi-Ra Yoon
- National Institute of Crop Science, Rural Development Administration, Jeonju, South Korea
| | - Jieun Kwak
- National Institute of Crop Science, Rural Development Administration, Jeonju, South Korea
| | - Choon-Ki Lee
- National Institute of Crop Science, Rural Development Administration, Jeonju, South Korea
| | - G. D. Prahalada
- Strategic Innovation Platform, International Rice Research Institute, Metro Manila, Philippines
| | - Il-Ryong Choi
- Rice Breeding Platform, International Rice Research Institute, Metro Manila, Philippines
| | - Un-Sang Yeo
- National Institute of Crop Science, Rural Development Administration, Jeonju, South Korea
| | - O-Young Jeong
- Rice Breeding Platform, International Rice Research Institute, Metro Manila, Philippines
- National Institute of Crop Science, Rural Development Administration, Jeonju, South Korea
| | - Kshirod K. Jena
- Strategic Innovation Platform, International Rice Research Institute, Metro Manila, Philippines
| | - Jeom-Sig Lee
- Rice Breeding Platform, International Rice Research Institute, Metro Manila, Philippines
- National Institute of Crop Science, Rural Development Administration, Jeonju, South Korea
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10
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Chen S, Saito N, Encabo JR, Yamada K, Choi IR, Kishima Y. Ancient Endogenous Pararetroviruses in Oryza Genomes Provide Insights into the Heterogeneity of Viral Gene Macroevolution. Genome Biol Evol 2018; 10:2686-2696. [PMID: 30239708 PMCID: PMC6179347 DOI: 10.1093/gbe/evy207] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2018] [Indexed: 12/13/2022] Open
Abstract
Endogenous viral sequences in eukaryotic genomes, such as those derived from plant pararetroviruses (PRVs), can serve as genomic fossils to study viral macroevolution. Many aspects of viral evolutionary rates are heterogeneous, including substitution rate differences between genes. However, the evolutionary dynamics of this viral gene rate heterogeneity (GRH) have been rarely examined. Characterizing such GRH may help to elucidate viral adaptive evolution. In this study, based on robust phylogenetic analysis, we determined an ancient endogenous PRV group in Oryza genomes in the range of being 2.41-15.00 Myr old. We subsequently used this ancient endogenous PRV group and three younger groups to estimate the GRH of PRVs. Long-term substitution rates for the most conserved gene and a divergent gene were 2.69 × 10-8 to 8.07 × 10-8 and 4.72 × 10-8 to 1.42 × 10-7 substitutions/site/year, respectively. On the basis of a direct comparison, a long-term GRH of 1.83-fold was identified between these two genes, which is unexpectedly low and lower than the short-term GRH (>3.40-fold) of PRVs calculated using published data. The lower long-term GRH of PRVs was due to the slightly faster rate decay of divergent genes than of conserved genes during evolution. To the best of our knowledge, we quantified for the first time the long-term GRH of viral genes using paleovirological analyses, and proposed that the GRH of PRVs might be heterogeneous on time scales (time-dependent GRH). Our findings provide special insights into viral gene macroevolution and should encourage a more detailed examination of the viral GRH.
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Affiliation(s)
- Sunlu Chen
- Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China
| | - Nozomi Saito
- Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Jaymee R Encabo
- Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna, Philippines
- Microbiology Division, Institute of Biological Sciences, University of the Philippines Los Baños, Los Baños, Laguna, Philippines
| | - Kanae Yamada
- Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Il-Ryong Choi
- Rice Breeding Platform, International Rice Research Institute, Los Baños, Laguna, Philippines
| | - Yuji Kishima
- Laboratory of Plant Breeding, Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
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11
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Shim J, Torollo G, Angeles-Shim RB, Cabunagan RC, Choi IR, Yeo US, Ha WG. Rice tungro spherical virus resistance into photoperiod-insensitive japonica rice by marker-assisted selection. Breed Sci 2015; 65:345-351. [PMID: 26366118 PMCID: PMC4542936 DOI: 10.1270/jsbbs.65.345] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Accepted: 06/14/2015] [Indexed: 06/05/2023]
Abstract
Rice tungro disease (RTD) is one of the destructive and prevalent diseases in the tropical region. RTD is caused by Rice tungro spherical virus (RTSV) and Rice tungro bacilliform virus. Cultivation of japonica rice (Oryza sativa L. ssp japonica) in tropical Asia has often been restricted because most japonica cultivars are sensitive to short photoperiod, which is characteristic of tropical conditions. Japonica1, a rice variety bred for tropical conditions, is photoperiod-insensitive, has a high yield potential, but is susceptible to RTD and has poor grain quality. To transfer RTD resistance into Japonica1, we made two backcrosses (BC) and 8 three-way crosses (3-WC) among Japonica1 and RTSV-resistant cultivars. Among 8,876 BC1F2 and 3-WCF2 plants, 342 were selected for photoperiod-insensitivity and good grain quality. Photoperiod-insensitive progenies were evaluated for RTSV resistance by a bioassay and marker-assisted selection (MAS), and 22 BC1F7 and 3-WCF7 lines were selected based on the results of an observational yield trial. The results demonstrated that conventional selection for photoperiod-insensitivity and MAS for RTSV resistance can greatly facilitate the development of japonica rice that is suitable for cultivation in tropical Asia.
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Affiliation(s)
- Junghyun Shim
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
| | - Gideon Torollo
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
| | - Rosalyn B. Angeles-Shim
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
- Bioscience and Biotechnology Center, Nagoya University,
Nagoya, Aichi 464-8601,
Japan
| | - Rogelio C. Cabunagan
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
| | - Il-Ryong Choi
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
| | - Un-Sang Yeo
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
- National Institute of Crop Science, Rural Development Administration,
Suwon 441-857,
Republic of Korea
| | - Woon-Goo Ha
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute,
DAPO Box 7777, Metro Manila,
Philippines
- National Institute of Crop Science, Rural Development Administration,
Suwon 441-857,
Republic of Korea
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12
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Affiliation(s)
- Nobuhiro Suzuki
- Institute of Plant Science and Resources, Okayama University Kurashiki, Japan
| | - Takahide Sasaya
- Kyushu Okinawa Agricultural Research Center, National Agriculture and Food Research Organization Koshi, Japan
| | - Il-Ryong Choi
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute Los Baños, Philippines
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13
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Budot BO, Encabo JR, Ambita IDV, Atienza-Grande GA, Satoh K, Kondoh H, Ulat VJ, Mauleon R, Kikuchi S, Choi IR. Suppression of cell wall-related genes associated with stunting of Oryza glaberrima infected with Rice tungro spherical virus. Front Microbiol 2014; 5:26. [PMID: 24550897 PMCID: PMC3912842 DOI: 10.3389/fmicb.2014.00026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 01/15/2014] [Indexed: 11/30/2022] Open
Abstract
Rice tungro disease is a complex disease caused by the interaction between Rice tungro bacilliform virus and Rice tungro spherical virus (RTSV). RTSV alone does not cause recognizable symptoms in most Asian rice (Oryza sativa) plants, whereas some African rice (O. glaberrima) plants were found to become stunted by RTSV. Stunting of rice plants by virus infections usually accompanies the suppression of various cell wall-related genes. The expression of cell wall-related genes was examined in O. glaberrima and O. sativa infected with RTSV to see the relationship between the severity of stunting and the suppression of cell wall-related genes by RTSV. The heights of four accessions of O. glaberrima were found to decline by 14-34% at 28 days post-inoculation (dpi) with RTSV, whereas the height reduction of O. sativa plants by RTSV was not significant. RTSV accumulated more in O. glaberrima plants than in O. sativa plants, but the level of RTSV accumulation was not correlated with the degree of height reduction among the four accessions of O. glaberrima. Examination for expression of genes for cellulose synthase A5 (CESA5) and A6 (CESA6), cellulose synthase-like A9 (CSLA9) and C7, and α-expansin 1 (expansin 1) and 15 precursors in O. glaberrima and O. sativa plants between 7 and 28 dpi with RTSV showed that the genes such as those for CESA5, CESA6, CSLA9, and expansin 1were more significantly suppressed in stunted plants of O. glaberrima at 14 dpi with RTSV than in O. sativa, suggesting that stunting of O. glaberrima might be associated with these cell wall-related genes suppressed by RTSV. Examination for expression of these genes in O. sativa plants infected with other rice viruses in previous studies indicated that the suppression of the expansin 1 gene is likely to be a signature response commonly associated with virus-induced stunting of Oryza species. These results suggest that stunting of O. glaberrima by RTSV infection might be associated with the suppression of these cell wall-related genes at the early stage of infection with RTSV.
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Affiliation(s)
- Bernard O. Budot
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research InstituteMetro Manila, Philippines
| | - Jaymee R. Encabo
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research InstituteMetro Manila, Philippines
| | - Israel Dave V. Ambita
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research InstituteMetro Manila, Philippines
| | - Genelou A. Atienza-Grande
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research InstituteMetro Manila, Philippines
| | - Kouji Satoh
- Plant Genome Research Unit, Agrogenomics Research Center, National Institute of Agrobiological SciencesTsukuba, Ibaraki, Japan
| | - Hiroaki Kondoh
- Plant Genome Research Unit, Agrogenomics Research Center, National Institute of Agrobiological SciencesTsukuba, Ibaraki, Japan
| | - Victor J. Ulat
- T. T. Chang Genetic Resources Center, International Rice Research InstituteMetro Manila, Philippines
| | - Ramil Mauleon
- T. T. Chang Genetic Resources Center, International Rice Research InstituteMetro Manila, Philippines
| | - Shoshi Kikuchi
- Plant Genome Research Unit, Agrogenomics Research Center, National Institute of Agrobiological SciencesTsukuba, Ibaraki, Japan
| | - Il-Ryong Choi
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research InstituteMetro Manila, Philippines
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14
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Satoh K, Yoneyama K, Kondoh H, Shimizu T, Sasaya T, Choi IR, Yoneyama K, Omura T, Kikuchi S. Relationship between gene responses and symptoms induced by Rice grassy stunt virus. Front Microbiol 2013; 4:313. [PMID: 24151491 PMCID: PMC3798811 DOI: 10.3389/fmicb.2013.00313] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 09/29/2013] [Indexed: 11/13/2022] Open
Abstract
Rice grassy stunt virus (RGSV) is a serious threat to rice production in Southeast Asia. RGSV is a member of the genus Tenuivirus, and it induces leaf yellowing, stunting, and excess tillering on rice plants. Here we examined gene responses of rice to RGSV infection to gain insight into the gene responses which might be associated with the disease symptoms. The results indicated that (1) many genes related to cell wall synthesis and chlorophyll synthesis were predominantly suppressed by RGSV infection; (2) RGSV infection induced genes associated with tillering process; (3) RGSV activated genes involved in inactivation of gibberellic acid and indole-3-acetic acid; and (4) the genes for strigolactone signaling were suppressed by RGSV. These results suggest that these gene responses to RGSV infection account for the excess tillering specific to RGSV infection as well as other symptoms by RGSV, such as stunting and leaf chlorosis.
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Affiliation(s)
- Kouji Satoh
- Research Team for Vector-Borne Plant Pathogens, National Agricultural Research Center Tsukuba, Japan ; Plant Genome Research Unit, Agrogenomics Research Center, National Institute of Agrobiological Sciences Tsukuba, Japan
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15
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Satoh K, Kondoh H, De Leon TB, Macalalad RJA, Cabunagan RC, Cabauatan PQ, Mauleon R, Kikuchi S, Choi IR. Gene expression responses to Rice tungro spherical virus in susceptible and resistant near-isogenic rice plants. Virus Res 2012. [PMID: 23183448 DOI: 10.1016/j.virusres.2012.11.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Rice cultivar Taichung Native 1 (TN1) is susceptible to Rice tungro spherical virus (RTSV). TW16 is a backcross line developed between TN1 and RTSV-resistant cultivar Utri Merah. RTSV accumulation in TW16 was significantly lower than in TN1, although both TN1 and TW16 remained asymptomatic. We compared the gene expression profiles of TN1 and TW16 infected by RTSV to identify the gene expression patterns accompanying the accumulation and suppression of RTSV. About 11% and 12% of the genes in the entire genome were found differentially expressed by RTSV in TN1 and TW16, respectively. About 30% of the differentially expressed genes (DEGs) were detected commonly in both TN1 and TW16. DEGs related to development and stress response processes were significantly overrepresented in both TN1 and TW16. Evident differences in gene expression between TN1 and TW16 instigated by RTSV included (1) suppression of more genes for development-related transcription factors in TW16; (2) activation of more genes for development-related peptide hormone RALF in TN1; (3) TN1- and TW16-specific regulation of genes for jasmonate synthesis and pathway, and genes for stress-related transcription factors such as WRKY, SNAC, and AP2-EREBP; (4) activation of more genes for glutathione S-transferase in TW16; (5) activation of more heat shock protein genes in TN1; and (6) suppression of more genes for Golden2-like transcription factors involved in plastid development in TN1. The results suggest that a significant number of defense and development-related genes are still regulated in asymptomatic plants even with a very low level of RTSV, and that the TN1- and TW16-specific gene regulations might be associated with regulation of RTSV accumulation in the plants.
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Affiliation(s)
- Kouji Satoh
- Plant Genome Research Unit, Agrogenomics Research Center, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, 305-8602, Japan
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16
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Ndikumana I, Pinel-Galzi A, Negussie Z, Msolla SN, Njau P, Singh RK, Choi IR, Bigirimana J, Fargette D, Hébrard E. First Report of Rice yellow mottle virus on Rice in Burundi. Plant Dis 2012; 96:1230. [PMID: 30727071 DOI: 10.1094/pdis-03-12-0293-pdn] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Since the mid-1980s, rice cultivation has expanded rapidly in Burundi to reach approximately 50,000 ha in 2011. In 2007, leaf mottling, reduced tillering, and stunting symptoms were observed on rice at Gatumba near Bujumbura, causing small patches in less than 10% of the fields. Rice yellow mottle virus (RYMV, genus Sobemovirus), which has seriously threatened rice cultivation in Africa (1) and was recently described in the neighboring Rwanda (3), was suspected to be involved because of similar symptoms. To identify the pathogen that caused the disease in Burundi, a survey was performed in the major rice-producing regions of Burundi and Rwanda. Six locations in Burundi and four in Rwanda were investigated in April and October 2011. Disease incidence in the fields was estimated to be 15 ± 5%. Symptomatic leaves of 24 cultivated rice plants were collected and tested by double antibody sandwich-ELISA with polyclonal antibodies raised against the RYMV isolate Mg1 (2). All tested samples reacted positively. Four isolates were inoculated on susceptible Oryza sativa cultivar IR64 (2). The typical symptoms of RYMV were reproduced 7 days after inoculation, whereas the noninoculated controls remained healthy. Total RNA was extracted by the RNeasy Plant Mini kit (QIAGEN, Hilden, Germany) from 12 samples. The RYMV coat protein gene was amplified by RT-PCR with primers 5'CGCTCAACATCCTTTTCAGGGTAG3' and 5'CAAAGATGGCCAGGAA3' (3). The sequences were deposited in GenBank (Accession Nos. HE654712 to HE654723). To characterize the isolates, the sequences of the tested samples were compared in a phylogenic tree including a set of 45 sequences of isolates from Rwanda, Uganda, western Kenya, and northern Tanzania (2,3). Six isolates from western Burundi, namely Bu1, Bu2, Bu4, Bu7, Bu10, and Bu13 (Accession Nos. HE654712 to HE654716 and HE654718), and the isolate Rw208 (HE654720) from southwestern Rwanda, belonged to strain S4-lm previously reported near Lakes Malawi and Tanganyika. They fell within the group gathering isolates from the western Bugarama plain of Rwanda (3). The isolates Bu16 (HE654719) and Bu17 (HE654717) from Mishiha in eastern Burundi belonged to strain S4-lv previously reported around Lake Victoria. However, they did not cluster with isolates from the eastern and southern provinces of Rwanda. They were genetically more closely related to isolates of strain S4-lv from northern Tanzania. Overall, the phylogeography of RYMV in Burundi and Rwanda region was similar. In the western plain of the two countries, the isolates belonged to the S4-lm lineage, whereas at the east of the two countries at midland altitude, they belonged to the S4-lv lineage. The presence of RYMV in Burundi should be considered in the future integrative pest management strategies for rice cultivation in the country. References: (1) D. Fargette et al. Annu. Rev. Phytopathol. 44:235, 2006. (2) Z. L. Kanyeka et al. Afr. Crop Sci. J. 15:201, 2007. (3) I. Ndikumana et al. New Dis. Rep. 23:18, 2011.
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Affiliation(s)
- I Ndikumana
- Crop Production Unit, Rwanda Agriculture Board, P. O. Box 5016, Kigali, Rwanda
| | - A Pinel-Galzi
- UMR RPB, Institut de Recherche pour le Developpment (IRD), BP 64501, 34394 Montpellier Cedex 5, France
| | - Z Negussie
- Africa Rice Center (AfricaRice), P. O. Box 33581, Dar es Salaam, Tanzania
| | - S N'chimbi Msolla
- Sokoine University of Agriculture, P. O. Box 3000 Morogoro, Tanzania
| | - P Njau
- Sokoine University of Agriculture, P. O. Box 3000 Morogoro, Tanzania
| | - R K Singh
- International Rice Research Institute (IRRI), P. O. Box 33581, Dar es Salaam, Tanzania
| | - I R Choi
- IRRI, DAPO Box 7777, Metro Manila, Philippines
| | - J Bigirimana
- University of Burundi, P. O. Box 5132 Bujumbura, Burundi
| | - D Fargette
- UMR RPB, IRD, BP 64501, 34394 Montpellier Cedex 5, France
| | - E Hébrard
- UMR RPB, IRD, BP 64501, 34394 Montpellier Cedex 5, France
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17
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De Vleesschauwer D, Van Buyten E, Satoh K, Balidion J, Mauleon R, Choi IR, Vera-Cruz C, Kikuchi S, Höfte M. Brassinosteroids antagonize gibberellin- and salicylate-mediated root immunity in rice. Plant Physiol 2012; 158:1833-46. [PMID: 22353574 PMCID: PMC3320189 DOI: 10.1104/pp.112.193672] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 02/15/2012] [Indexed: 05/18/2023]
Abstract
Brassinosteroids (BRs) are a unique class of plant steroid hormones that orchestrate myriad growth and developmental processes. Although BRs have long been known to protect plants from a suite of biotic and abiotic stresses, our understanding of the underlying molecular mechanisms is still rudimentary. Aiming to further decipher the molecular logic of BR-modulated immunity, we have examined the dynamics and impact of BRs during infection of rice (Oryza sativa) with the root oomycete Pythium graminicola. Challenging the prevailing view that BRs positively regulate plant innate immunity, we show that P. graminicola exploits BRs as virulence factors and hijacks the rice BR machinery to inflict disease. Moreover, we demonstrate that this immune-suppressive effect of BRs is due, at least in part, to negative cross talk with salicylic acid (SA) and gibberellic acid (GA) pathways. BR-mediated suppression of SA defenses occurred downstream of SA biosynthesis, but upstream of the master defense regulators NONEXPRESSOR OF PATHOGENESIS-RELATED GENES1 and OsWRKY45. In contrast, BR alleviated GA-directed immune responses by interfering at multiple levels with GA metabolism, resulting in indirect stabilization of the DELLA protein and central GA repressor SLENDER RICE1 (SLR1). Collectively, these data favor a model whereby P. graminicola coopts the plant BR pathway as a decoy to antagonize effectual SA- and GA-mediated defenses. Our results highlight the importance of BRs in modulating plant immunity and uncover pathogen-mediated manipulation of plant steroid homeostasis as a core virulence strategy.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Monica Höfte
- Laboratory of Phytopathology, Ghent University, B–9000 Ghent, Belgium (D.D.V., E.V.B., M.H.); Plant Genome Research Unit, Agrogenomics Research Center, National Institute of Agrobiological Sciences, Tsukuba 305–8602, Ibaraki, Japan (K.S., S.K.); Plant Breeding, Genetics, and Biotechnology Division (J.B., I.-R.C., C.V.-C.) and Crop Research Informatics Laboratory (R.M.), International Rice Research Institute, 1099 Metro Manila, Philippines
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18
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Satoh K, Shimizu T, Kondoh H, Hiraguri A, Sasaya T, Choi IR, Omura T, Kikuchi S. Relationship between symptoms and gene expression induced by the infection of three strains of Rice dwarf virus. PLoS One 2011; 6:e18094. [PMID: 21445363 PMCID: PMC3062569 DOI: 10.1371/journal.pone.0018094] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Accepted: 02/21/2011] [Indexed: 11/18/2022] Open
Abstract
Background Rice dwarf virus (RDV) is the causal agent of rice dwarf disease, which often results in severe yield losses of rice in East Asian countries. The disease symptoms are stunted growth, chlorotic specks on leaves, and delayed and incomplete panicle exsertion. Three RDV strains, O, D84, and S, were reported. RDV-S causes the most severe symptoms, whereas RDV-O causes the mildest. Twenty amino acid substitutions were found in 10 of 12 virus proteins among three RDV strains. Methodology/Principal Findings We analyzed the gene expression of rice in response to infection with the three RDV strains using a 60-mer oligonucleotide microarray to examine the relationship between symptom severity and gene responses. The number of differentially expressed genes (DEGs) upon the infection of RDV-O, -D84, and -S was 1985, 3782, and 6726, respectively, showing a correlation between the number of DEGs and symptom severity. Many DEGs were related to defense, stress response, and development and morphogenesis processes. For defense and stress response processes, gene silencing-related genes were activated by RDV infection and the degree of activation was similar among plants infected with the three RDV strains. Genes for hormone-regulated defense systems were also activated by RDV infection, and the degree of activation seemed to be correlated with the concentration of RDV in plants. Some development and morphogenesis processes were suppressed by RDV infection, but the degree of suppression was not correlated well with the RDV concentration. Conclusions/Significance Gene responses to RDV infection were regulated differently depending on the gene groups regulated and the strains infecting. It seems that symptom severity is associated with the degree of gene response in defense-related and development- and morphogenesis-related processes. The titer levels of RDV in plants and the amino acid substitutions in RDV proteins could be involved in regulating such gene responses.
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Affiliation(s)
- Kouji Satoh
- Research Team for Vector-borne Plant Pathogens, National Agricultural Research Center, Tsukuba, Ibaraki, Japan
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Takumi Shimizu
- Research Team for Vector-borne Plant Pathogens, National Agricultural Research Center, Tsukuba, Ibaraki, Japan
| | - Hiroaki Kondoh
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Akihiro Hiraguri
- Research Team for Vector-borne Plant Pathogens, National Agricultural Research Center, Tsukuba, Ibaraki, Japan
| | - Takahide Sasaya
- Research Team for Vector-borne Plant Pathogens, National Agricultural Research Center, Tsukuba, Ibaraki, Japan
| | - Il-Ryong Choi
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute, Metro Manila, Philippines
| | - Toshihiro Omura
- Research Team for Vector-borne Plant Pathogens, National Agricultural Research Center, Tsukuba, Ibaraki, Japan
| | - Shoshi Kikuchi
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
- * E-mail:
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19
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Sharoni AM, Nuruzzaman M, Satoh K, Shimizu T, Kondoh H, Sasaya T, Choi IR, Omura T, Kikuchi S. Gene structures, classification and expression models of the AP2/EREBP transcription factor family in rice. Plant Cell Physiol 2011; 52:344-60. [PMID: 21169347 DOI: 10.1093/pcp/pcq196] [Citation(s) in RCA: 186] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
We identified 163 AP2/EREBP (APETALA2/ethylene-responsive element-binding protein) genes in rice. We analyzed gene structures, phylogenies, domain duplication, genome localizations and expression profiles. Conserved amino acid residues and phylogeny construction using the AP2/ERF conserved domain sequence suggest that in rice the OsAP2/EREBP gene family can be classified broadly into four subfamilies [AP2, RAV (related to ABI3/VP1), DREB (dehydration-responsive element-binding protein) and ERF (ethylene-responsive factor)]. The chromosomal localizations of the OsAP2/EREBP genes indicated 20 segmental duplication events involving 40 genes; 58 redundant OsAP2/EREBP genes were involved in tandem duplication events. There were fewer introns after segmental duplication. We investigated expression profiles of this gene family under biotic stresses [infection with rice viruses such as rice stripe virus (RSV), rice tungro spherical virus (RTSV) and rice dwarf virus (RDV, three virus strains S, O and D84)], and various abiotic stresses. Symptoms of virus infection were more severe in RSV infection than in RTSV and RDV infection. Responses to biotic stresses are novel findings and these stresses enhance the ability to identify the best candidate genes for further functional analysis. The genes of subgroup B-5 were not induced under abiotic treatments whereas they were activated by the three RDV strains. None of the genes of subgroups A-3 were differentially expressed by any of the biotic stresses. Our 44K and 22K microarray results suggest that 53 and 52 non-redundant genes in this family were up-regulated in response to biotic and abiotic stresses, respectively. We further examined the stress responsiveness of most genes by reverse transcription-PCR. The study results should be useful in selecting candidate genes from specific subgroups for functional analysis.
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Affiliation(s)
- Akhter Most Sharoni
- Plant Genome Research Unit, Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences (NIAS), Tsukuba, Ibaraki, 305-8602 Japan
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20
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Le DT, Netsu O, Uehara-Ichiki T, Shimizu T, Choi IR, Omura T, Sasaya T. Molecular detection of nine rice viruses by a reverse-transcription loop-mediated isothermal amplification assay. J Virol Methods 2010; 170:90-3. [PMID: 20837064 DOI: 10.1016/j.jviromet.2010.09.004] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2010] [Revised: 08/31/2010] [Accepted: 09/02/2010] [Indexed: 11/19/2022]
Abstract
A reverse-transcription loop-mediated isothermal amplification (RT-LAMP) assay was established for the detection of nine viruses from infected rice plants, including rice black-streaked dwarf virus (RBSDV), rice dwarf virus (RDV), rice gall dwarf virus (RGDV), rice ragged stunt virus (RRSV), rice transitory yellowing virus (RTYV), rice stripe virus (RSV), rice grassy stunt virus (RGSV), rice tungro spherical virus (RTSV), and rice tungro bacilliform virus (RTBV). Virus-specific primer sets were designed from the genome sequences of these viruses. By the combination of RNA rapid extraction and RT-LAMP, these nine viruses could be detected within 2h from infected rice plants. The sensitivities of the assays were either higher than (for RSV, RTBV, and RTYV) or similar (for RDV) to those of one-step RT-PCR. Furthermore, RTBV and RTSV were detected not only in infected rice plants but also in viruliferous insect vectors. The RT-LAMP assays may facilitate studies on rice disease epidemiology, outbreak surveillance, and molecular pathology.
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Affiliation(s)
- Dung Tien Le
- Research Team for Vector-Borne Diseases, National Agricultural Research Center, Tsukuba, Ibaraki, Japan
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21
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Lee JH, Muhsin M, Atienza GA, Kwak DY, Kim SM, De Leon TB, Angeles ER, Coloquio E, Kondoh H, Satoh K, Cabunagan RC, Cabauatan PQ, Kikuchi S, Leung H, Choi IR. Single nucleotide polymorphisms in a gene for translation initiation factor (eIF4G) of rice (Oryza sativa) associated with resistance to Rice tungro spherical virus. Mol Plant Microbe Interact 2010; 23:29-38. [PMID: 19958136 DOI: 10.1094/mpmi-23-1-0029] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Rice tungro disease (RTD) is a serious constraint to rice production in South and Southeast Asia. RTD is caused by Rice tungro spherical virus (RTSV) and Rice tungro bacilliform virus. Rice cv. Utri Merah is resistant to RTSV. To identify the gene or genes involved in RTSV resistance, the association of genotypic and phenotypic variations for RTSV resistance was examined in backcross populations derived from Utri Merah and rice germplasm with known RTSV resistance. Genetic analysis revealed that resistance to RTSV in Utri Merah was controlled by a single recessive gene (tsv1) mapped within an approximately 200-kb region between 22.05 and 22.25 Mb of chromosome 7. A gene for putative translation initiation factor 4G (eIF4G(tsv1)) was found in the tsv1 region. Comparison of eIF4G(tsv1) gene sequences among susceptible and resistant plants suggested the association of RTSV resistance with one of the single nucleotide polymorphism (SNP) sites found in exon 9 of the gene. Examination of the SNP site in the eIF4G(tsv1) gene among various rice plants resistant and susceptible to RTSV corroborated the association of SNP or deletions in codons for Val(1060-1061) of the predicted eIF4G(tsv1) with RTSV resistance in rice.
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Affiliation(s)
- Jong-Hee Lee
- Department of Functional Crop Science, National Institute of Crop Sciences, Rural Development Administration, 1085 Neidong, Milyang, Gyeongnam, 627-803, Republic of Korea
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22
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Encabo JR, Cabauatan PQ, Cabunagan RC, Satoh K, Lee JH, Kwak DY, De Leon TB, Macalalad RJA, Kondoh H, Kikuchi S, Choi IR. Suppression of two tungro viruses in rice by separable traits originating from cultivar Utri Merah. Mol Plant Microbe Interact 2009; 22:1268-1281. [PMID: 19737100 DOI: 10.1094/mpmi-22-10-1268] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Rice tungro disease (RTD) is caused by Rice tungro spherical virus (RTSV) and Rice tungro bacilliform virus (RTBV) transmitted by green leafhoppers. Rice cv. Utri Merah is highly resistant to RTD. To define the RTD resistance of Utri Merah, near-isogenic lines (NIL, BC(5) or BC(6)) developed from Utri Merah and susceptible cv. Taichung Native 1 (TN1) were evaluated for reactions to RTSV and RTBV. TW16 is an NIL (BC(5)) resistant to RTD. RTBV was able to infect both TN1 and TW16 but the levels of RTBV were usually significantly lower in TW16 than in TN1. Infection of RTSV was confirmed in TN1 by a serological test but not in TW16. However, the global gene-expression pattern in an RTSV-resistant NIL (BC(6)), TW16-69, inoculated with RTSV indicated that RTSV can also infect the resistant NIL. Infection of RTSV in TW16 was later confirmed by reverse-transcription polymerase chain reaction but the level of RTSV was considerably lower in TW16 than in TN1. Examination for virus accumulation in another NIL (BC(6)), TW16-1029, indicated that all plants of TW16-1029 were resistant to RTSV, whereas the resistance to RTBV and symptom severity were segregating among the individual plants of TW16-1029. Collectively, these results suggest that RTD resistance of Utri Merah involves suppression of interacting RTSV and RTBV but the suppression trait for RTSV and for RTBV is inherited separately.
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Affiliation(s)
- Jaymee R Encabo
- Plant Breeding, Genetics, and Biotechnology Division, International Rice Research Institute, DAPO Box 7777, Metro Manila, Philippines
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23
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Satoh K, Kondoh H, Sasaya T, Shimizu T, Choi IR, Omura T, Kikuchi S. Selective modification of rice (Oryza sativa) gene expression by rice stripe virus infection. J Gen Virol 2009; 91:294-305. [PMID: 19793907 DOI: 10.1099/vir.0.015990-0] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Rice stripe disease, caused by rice stripe virus (RSV), is one of the major virus diseases in east Asia. Rice plants infected with RSV usually show symptoms such as chlorosis, weakness, necrosis in newly emerged leaves and stunting. To reveal rice cellular systems influenced by RSV infection, temporal changes in the transcriptome of RSV-infected plants were monitored by a customized rice oligoarray system. The transcriptome changes in RSV-infected plants indicated that protein-synthesis machineries and energy production in the mitochondrion were activated by RSV infection, whereas energy production in the chloroplast and synthesis of cell-structure components were suppressed. The transcription of genes related to host-defence systems under hormone signals and those for gene silencing were not activated at the early infection phase. Together with concurrent observation of virus concentration and symptom development, such transcriptome changes in RSV-infected plants suggest that different sets of various host genes are regulated depending on the development of disease symptoms and the accumulation of RSV.
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Affiliation(s)
- Kouji Satoh
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan
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24
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Satoh K, Doi K, Nagata T, Kishimoto N, Suzuki K, Otomo Y, Kawai J, Nakamura M, Hirozane-Kishikawa T, Kanagawa S, Arakawa T, Takahashi-Iida J, Murata M, Ninomiya N, Sasaki D, Fukuda S, Tagami M, Yamagata H, Kurita K, Kamiya K, Yamamoto M, Kikuta A, Bito T, Fujitsuka N, Ito K, Kanamori H, Choi IR, Nagamura Y, Matsumoto T, Murakami K, Matsubara KI, Carninci P, Hayashizaki Y, Kikuchi S. Gene organization in rice revealed by full-length cDNA mapping and gene expression analysis through microarray. PLoS One 2007; 2:e1235. [PMID: 18043742 PMCID: PMC2084198 DOI: 10.1371/journal.pone.0001235] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2007] [Accepted: 10/30/2007] [Indexed: 01/11/2023] Open
Abstract
Rice (Oryza sativa L.) is a model organism for the functional genomics of monocotyledonous plants since the genome size is considerably smaller than those of other monocotyledonous plants. Although highly accurate genome sequences of indica and japonica rice are available, additional resources such as full-length complementary DNA (FL-cDNA) sequences are also indispensable for comprehensive analyses of gene structure and function. We cross-referenced 28.5K individual loci in the rice genome defined by mapping of 578K FL-cDNA clones with the 56K loci predicted in the TIGR genome assembly. Based on the annotation status and the presence of corresponding cDNA clones, genes were classified into 23K annotated expressed (AE) genes, 33K annotated non-expressed (ANE) genes, and 5.5K non-annotated expressed (NAE) genes. We developed a 60mer oligo-array for analysis of gene expression from each locus. Analysis of gene structures and expression levels revealed that the general features of gene structure and expression of NAE and ANE genes were considerably different from those of AE genes. The results also suggested that the cloning efficiency of rice FL-cDNA is associated with the transcription activity of the corresponding genetic locus, although other factors may also have an effect. Comparison of the coverage of FL-cDNA among gene families suggested that FL-cDNA from genes encoding rice- or eukaryote-specific domains, and those involved in regulatory functions were difficult to produce in bacterial cells. Collectively, these results indicate that rice genes can be divided into distinct groups based on transcription activity and gene structure, and that the coverage bias of FL-cDNA clones exists due to the incompatibility of certain eukaryotic genes in bacteria.
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Affiliation(s)
- Kouji Satoh
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Koji Doi
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Toshifumi Nagata
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Naoki Kishimoto
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Kohji Suzuki
- Hitachi Software Engineering, Shinagawa-ku, Tokyo, Japan
| | - Yasuhiro Otomo
- Laboratory of Genome Sequencing and Analysis Group, Foundation for Advancement of International Science (FAIS), Tsukuba, Ibaraki, Japan
| | - Jun Kawai
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
- Genome Science Laboratory, RIKEN Wako Institute, Wako, Saitama, Japan
| | - Mari Nakamura
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Tomoko Hirozane-Kishikawa
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Saeko Kanagawa
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Takahiro Arakawa
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Juri Takahashi-Iida
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Mitsuyoshi Murata
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Noriko Ninomiya
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Daisuke Sasaki
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Shiro Fukuda
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Michihira Tagami
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
| | - Harumi Yamagata
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Kanako Kurita
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Kozue Kamiya
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Mayu Yamamoto
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Ari Kikuta
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Takahito Bito
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Nahoko Fujitsuka
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Kazue Ito
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Hiroyuki Kanamori
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries, Tsukuba, Ibaraki, Japan
| | - Il-Ryong Choi
- Plant Breeding, Genetics and Biotechnology Division, International Rice Research Institute, DAPO, Metro Manila, Philippines
| | - Yoshiaki Nagamura
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Takashi Matsumoto
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
| | - Kazuo Murakami
- Laboratory of Genome Sequencing and Analysis Group, Foundation for Advancement of International Science (FAIS), Tsukuba, Ibaraki, Japan
| | - Ken-ichi Matsubara
- Laboratory of Genome Sequencing and Analysis Group, Foundation for Advancement of International Science (FAIS), Tsukuba, Ibaraki, Japan
- Nara Institute of Science and Technology (NAIST), Ikoma, Nara, Japan
| | - Piero Carninci
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
- Genome Science Laboratory, RIKEN Wako Institute, Wako, Saitama, Japan
| | - Yoshihide Hayashizaki
- Genome Exploration Research Group, Genomic Sciences Center, RIKEN Yokohama Institute, Yokohama, Kanagawa, Japan
- Genome Science Laboratory, RIKEN Wako Institute, Wako, Saitama, Japan
| | - Shoshi Kikuchi
- Division of Genome and Biodiversity Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, Japan
- * To whom correspondence should be addressed. E-mail:
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Shibata Y, Cabunagan RC, Cabauatan PQ, Choi IR. Characterization of Oryza rufipogon-Derived Resistance to Tungro Disease in Rice. Plant Dis 2007; 91:1386-1391. [PMID: 30780748 DOI: 10.1094/pdis-91-11-1386] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Rice tungro disease (RTD) is caused by the interaction between Rice tungro spherical virus (RTSV) and Rice tungro bacilliform virus (RTBV), both of which are transmitted by green leafhoppers (GLH). In order to define the resistance against RTD in rice cv. Matatag 9 which was developed by interspecific hybridization between RTD-susceptible cv. IR64 and Oryza rufipogon, the reactions of Matatag 9 to the viruses and GLH were evaluated in comparison with RTD-susceptible and -resistant rice cultivars. The incidences of infection with RTSV and RTBV in Matatag 9 were significantly lower than those in the susceptible parent cv. IR64; however, no substantial differences in virus accumulation were observed between IR64 and Matatag 9 once infected with the viruses. Symptoms in Matatag 9 infected with RTBV and RTSV were milder than those observed in IR64. A higher level of antixenosis to GLH was observed in Matatag 9 compared with IR64. The levels of antibiosis against GLH in Matatag 9 were comparable with those in another GLH-resistant cultivar, and significantly higher than those in RTD-susceptible cultivars. Collectively, these results suggest that tolerance to tungro viruses and resistance to GLH both contribute to the apparent resistance to RTD in Matatag 9, although possible involvement of other resistance mechanisms cannot be excluded.
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Affiliation(s)
- Yuji Shibata
- International Rice Research Institute, Plant Breeding, Genetics and Biotechnology Division, DAPO Box 7777, Metro Manila, Philippines
| | - Rogelio C Cabunagan
- International Rice Research Institute, Plant Breeding, Genetics and Biotechnology Division, DAPO Box 7777, Metro Manila, Philippines
| | - Pepito Q Cabauatan
- International Rice Research Institute, Plant Breeding, Genetics and Biotechnology Division, DAPO Box 7777, Metro Manila, Philippines
| | - Il-Ryong Choi
- International Rice Research Institute, Plant Breeding, Genetics and Biotechnology Division, DAPO Box 7777, Metro Manila, Philippines
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Choi IR, Horken KM, Stenger DC, French R. An internal RNA element in the P3 cistron of Wheat streak mosaic virus revealed by synonymous mutations that affect both movement and replication. J Gen Virol 2005; 86:2605-2614. [PMID: 16099920 DOI: 10.1099/vir.0.81081-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Multiple synonymous substitution mutations in the Wheat streak mosaic virus P3 cistron did not affect translation in vitro but rendered the virus incapable of systemic infection. Multiple synonymous substitutions in the cylindrical inclusion cistron did not alter infectivity or in vitro translation. To assess replication and movement phenotypes, P3 mutations were placed in context with a GUS reporter gene. GUS activity measured in barley protoplasts 36 h post-transfection indicated that mutants with synonymous substitutions in P3 retained the ability to replicate at 22–80 % of wild-type levels. Almost no GUS activity was detected in protoplasts transfected with a P3 frame-shift mutant. Histochemical GUS assays conducted 3 days post-inoculation (p.i.) revealed genomes with multiple synonymous substitutions in P3, which were able to establish infection foci limited to small clusters of cells that increased in size only slightly by 5 days p.i. Infection foci produced by wild-type Wheat streak mosaic virus-expressing GUS were much larger at 3 days p.i. and had coalesced by 5 days p.i. No GUS activity was detected in plants inoculated with the frame-shift mutant bearing GUS. Three of four mutants, each with a single synonymous substitution in the 3′-proximal half of the P3 cistron, were wild-type with respect to systemic infectivity. A model RNA secondary structure obtained for the region was disrupted by the debilitating single mutation but not by the other three single mutations. Collectively, these results identify an internal RNA sequence element in the P3 cistron that affects both replication and movement of the viral genome.
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Affiliation(s)
- Il-Ryong Choi
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, 344 Keim Hall, Lincoln, NE 68583, USA
| | - Kempton M Horken
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, 344 Keim Hall, Lincoln, NE 68583, USA
| | - Drake C Stenger
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, 344 Keim Hall, Lincoln, NE 68583, USA
| | - Roy French
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, 344 Keim Hall, Lincoln, NE 68583, USA
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Choi IR, Horken KM, Stenger DC, French R. Mapping of the P1 proteinase cleavage site in the polyprotein of Wheat streak mosaic virus (genus Tritimovirus). J Gen Virol 2002; 83:443-450. [PMID: 11807238 DOI: 10.1099/0022-1317-83-2-443] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Monopartite members of the family Potyviridae utilize three virus-encoded proteinases to cleave the viral polyprotein into mature proteins. The amino-terminal region of the viral polyprotein is autolytically cleaved by the P1 proteinase. A domain required for P1 proteinase activity of Wheat streak mosaic virus (WSMV) was mapped using a series of templates with nested 3'-truncations or 5'-deletions to program in vitro transcription-translation reactions. The WSMV P1 proteinase cleavage site was mapped to a position downstream of amino acid residue 348 and upstream of amino acid residue 353, with the peptide bond between amino acid residues Y(352) and G(353) the most probable site of hydrolysis. An alignment of potyvirus polyprotein sequences in the carboxy-terminal region of the P1 domain revealed WSMV P1 contained conserved H(257), D(267), S(303) and FIVXG(325-329) residues upstream of the cleavage site that are typical of serine proteinases and shown by others to be required for P1 proteolysis in Tobacco etch virus. Insertion of the GUS reporter gene immediately downstream of the P1 cleavage site in a full-length clone of WSMV resulted in systemic infection and GUS expression upon inoculation of plants with in vitro transcripts. When cleaved by P1 at the amino terminus and NIa proteinase at a site engineered in the carboxy-terminus, active GUS protein expressed by WSMV in infected wheat had electrophoretic mobility similar to wild-type GUS protein.
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Affiliation(s)
- Il-Ryong Choi
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583, USA1
| | - Kempton M Horken
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583, USA1
| | - Drake C Stenger
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583, USA1
| | - Roy French
- United States Department of Agriculture - Agricultural Research Service and Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583, USA1
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Abstract
Many (+)-strand RNA viruses transcribe small subgenomic (sg) mRNAs that allow for regulated expression of a subset of their genes. Tomato bushy stunt virus (TBSV) transcribes two such messages and here we report the identification of a long-distance RNA*RNA interaction that is essential for the efficient accumulation of capsid protein-encoding sg mRNA1. The relevant base pairing interaction occurs within the TBSV RNA genome between a 7-nucleotide (nt) long sequence, separated by just 3 nt from the downstream sg mRNA1 initiation site, and a complementary sequence positioned some approximately 1000 nt further upstream. Analyses of this interaction indicate that it (i) functions in the (+)-strand, (ii) modulates both (+)- and (-)-strand sg mRNA1 accumulation, (iii) specifically regulates the accumulation of sg mRNA1 (-)-strands, (iv) controls sg mRNA1 expression from an ectopic transcriptional initiation site, (v) may occur in cis and, and (vi) could nucleate the formation of a more complex RNA structure. These data are most consistent with a role for this interaction in regulating sg mRNA1 accumulation at the level of transcription.
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Affiliation(s)
- Il-Ryong Choi
- Department of Biology, York University, Toronto, Ontario M3J 1P3, Canada
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Abstract
Positive-strand RNA viruses that encode multiple cistrons often mediate expression of 3'-encoded open reading frames via RNA-templated transcription of subgenomic (sg) mRNAs. Tomato bushy stunt virus (TBSV) is a positive-strand RNA virus that transcribes two such sg mRNAs during infections. We have previously identified a distal element (DE), located approximately 1100 nucleotides upstream from the initiation site of sg mRNA2 transcription, part of which must base pair with a portion of a core element (CE), located just 5' to the initiation site, for efficient transcription to occur (Zhang, G., Slowinski, V., and White, K. A. (1999) RNA 5, 550-561). Here we have analyzed further this long distance RNA-RNA interaction and have investigated the regulatory roles of other subelements within the DE and CE. Our results indicate that (i) the functional base-pairing interaction between these elements occurs in the positive strand and that the interaction likely acts to properly position other subelements, (ii) two previously undefined subelements within the DE and CE are important and essential, respectively, for efficient sg mRNA2 accumulation, and (iii) the production of (-)-strand sg mRNA2 can be uncoupled from the synthesis of its (+)-strand complement. These data provide important insight into the mechanism of sg mRNA2 transcription.
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Affiliation(s)
- I R Choi
- Department of Biology, York University, Toronto, Ontario M3J 1P3, Canada
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Choi IR, Hall JS, Henry M, Zhang L, Hein GL, French R, Stenger DC. Contributions of genetic drift and negative selection on the evolution of three strains of wheat streak mosaic tritimovirus. Arch Virol 2001; 146:619-28. [PMID: 11338395 DOI: 10.1007/s007050170167] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Genome sequences of three Wheat streak mosaic virus (WSMV) strains were compared. The Type and Sidney 81 strains of WSMV from the American Great Plains were closely related, with sequence identities of 97.6% (nucleotide) and 98.7% (amino acid). In contrast, the El Batán 3 strain from central Mexico was divergent, and shared only 79.2-79.3% (nucleotide) and 90.3-90.5% (amino acid) sequence identity with Type and Sidney 81. All three WSMV strains were serologically related, however the El Batán 3 capsid protein (CP) had 15 fewer amino acid residues. Phylogenetic analysis of the CP cistron indicated that Type, Sidney 81, and nine other American isolates of WSMV were closely related and distinct from the El Batán 3 sequence. Nucleotide substitutions among the WSMV strains were not randomly distributed across the genome with more variation within P1, HC-Pro, and CP, and less within P3. One 400-nucleotide region of the genome, corresponding to the 3'-end of P3, was strikingly deficient in silent substitutions. Nonetheless, the ratio of synonymous to non-synonymous substitutions throughout the genome was essentially the same for all three WSMV strains. Collectively, our data indicate that both genetic drift and negative selection have contributed to the evolution of WSMV strains.
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Affiliation(s)
- I R Choi
- USDA-ARS and Department of Plant Pathology, University of Nebraska, Lincoln, Nebraska, USA
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Abstract
Inserts bearing the coding sequences of NPT II and beta-glucuronidase (GUS) were placed between the nuclear inclusion b (NIb) and coat protein (CP) domains of the wheat streak mosaic virus (WSMV) polyprotein ORF. The WSMV NIb-CP junction containing the nuclear inclusion a (NIa) protease cleavage site was duplicated, permitting excision of foreign protein domains from the viral polyprotein. Wheat, barley, oat and maize seedlings supported systemic infection of WSMV bearing NPT II. The NPT II insert was stable for at least 18-30 days post-inoculation and had little effect on WSMV CP accumulation. Histochemical assays indicated the presence of functional GUS protein in systemically infected wheat and barley plants inoculated with WSMV bearing GUS. The GUS constructs had greatly reduced virulence on both oat and maize. RT-PCR indicated that the GUS insert was subject to deletion, particularly when expressed as a GUS-NIb protein fusion. Both reporter genes were expressed in wheat roots at levels comparable to those observed in leaves. These results clearly demonstrate the utility of WSMV as a transient gene expression vector for grass species, including two important grain crops, wheat and maize. The results further indicate that both host species and the nature of inserted sequences affect the stability and expression of foreign genes delivered by engineered virus genomes.
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Affiliation(s)
- I R Choi
- School of Biological Sciences and; USDA-ARS, 344 Keim Hall, University of Nebraska, Lincoln, NE 68583, USA
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Abstract
The genome organization of the mite-transmitted wheat streak mosaic virus (WSMV) appears to parallel that of members of the Potyviridae with monopartite genomes, but there are substantial amino acid dissimilarities with other potyviral polyproteins. To initiate studies on the functions of WSMV-encoded proteins, a protein interaction map was generated using a yeast two-hybrid system. Because the pathway of proteolytic maturation of the WSMV polyprotein has not been experimentally determined, random libraries of WSMV cDNA were made both in DNA-binding domain and activation domain plasmid vectors and introduced into yeast. Sequence analysis of multiple interacting pairs revealed that interactions largely occurred between domains within two groups of proteins. The first involved interactions among nuclear inclusion protein a, nuclear inclusion protein b, and coat protein (CP), and the second involved helper component-proteinase (HC-Pro) and cylindrical inclusion protein (CI). Further immunoblot and deletion mapping analyses of the interactions suggest that subdomains of CI, HC-Pro, and P1 interact with one another. The two-hybrid assay was then performed using full-length genes of CI, HC-Pro, P1, P3, and CP, but no heterologous interactions were detected. In vitro binding assay using glutathione-S-transferase fusion proteins and in vitro translation products, however, revealed mutual interactions among CI, HC-Pro, P1, and P3. The failure to detect interactions between full-length proteins by the two-hybrid assay might be due to adverse effects of expression of viral proteins in yeast cells. The capacity to participate in multiple homomeric and heteromeric molecular interactions is consistent with the pleiotropic nature of many potyviral gene mutants and suggests mechanisms for regulation of various viral processes via a network of viral protein complexes.
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Affiliation(s)
- I R Choi
- School of Biological Sciences, University of Nebraska, Lincoln, Nebraska 68583, USA
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Choi IR, French R, Hein GL, Stenger DC. Fully biologically active in vitro transcripts of the eriophyid mite-transmitted wheat streak mosaic tritimovirus. Phytopathology 1999; 89:1182-1185. [PMID: 18944643 DOI: 10.1094/phyto.1999.89.12.1182] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
ABSTRACT Infectious RNA of wheat streak mosaic virus (WSMV) has been produced using a full-length cDNA clone as a template for in vitro transcription with SP6 RNA polymerase. Infectivity was dependent on the use of template plasmid DNA that had not undergone spontaneous rearrangement during amplification in Escherichia coli. The presence of WSMV in systemically infected wheat plants inoculated with in vitro transcripts was confirmed by reverse-transcription polymerase chain reaction of the WSMV P3 gene and by accumulation of WSMV coat protein as detected by immunoblotting. Maintenance of the full-length WSMV cDNA in the high copy number plasmid pUC18 was problematic because of spontaneous rearrangement of WSMV sequences during growth in liquid media for more than 8 h or if the clone was subcultured. Stability of the WSMV cDNA clone was improved by the use of the low copy number plasmid pACYC177, and it could be grown in large scale volumes (up to 1 liter) of liquid culture for 14 h without noticeable rearrangements. Both the original WSMV culture and the progeny virus derived from infectious in vitro transcripts were efficiently transmitted by the natural eriophyid mite vector Aceria tosichella. This is the first report of infectious in vitro transcripts for any eriophyid mite-transmitted plant virus and represents the only monopartite member of the family Potyviridae infecting monocotyledonous hosts for which infectious in vitro transcripts are available.
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Stenger DC, Hall JS, Choi IR, French R. Phylogenetic relationships within the family potyviridae: wheat streak mosaic virus and brome streak mosaic virus are not members of the genus rymovirus. Phytopathology 1998; 88:782-787. [PMID: 18944883 DOI: 10.1094/phyto.1998.88.8.782] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
ABSTRACT The complete nucleotide sequence of wheat streak mosaic virus (WSMV) has been determined based on complementary DNA clones derived from the 9,384-nucleotide (nt) RNA of the virus. The genome of WSMV has a 130-nt 5' leader and 149-nt 3'-untranslated region and is polyadenylated at the 3' end. WSMV RNA encodes a single polyprotein of 3,035 amino acid residues and has a deduced genome organization typical for a member of the family Potyviridae (5'-P1/HC-Pro/P3/6K1/CI/6K2/VPg-NIa/NIb/CP-3'). Because WSMV shares with ryegrass mosaic virus (RGMV) the biological property of transmission by eriophyid mites, WSMV has been assigned to the genus Rymovirus, of which RGMV is the type species. Phylogenetic analyses were conducted with complete polyprotein or NIb protein sequences of 11 members of the family Potyviridae, including viruses of monocots or dicots and viruses transmitted by aphids, whiteflies, and mites. WSMV and the monocot-infecting, mite-transmitted brome streak mosaic virus (BrSMV) are sister taxa and share a most recent common ancestor with the whitefly-transmitted sweet potato mild mottle virus, the type species of the proposed genus "Ipomovirus." In contrast, RGMV shares a most recent common ancestor with aphid-transmitted species of the genus Potyvirus. These results indicate that WSMV and BrSMV should be classified within a new genus of the family Potyviridae and should not be considered species of the genus Rymovirus.
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Choi IR, Stenger DC. The strain-specific cis-acting element of beet curly top geminivirus DNA replication maps to the directly repeated motif of the ori. Virology 1996; 226:122-6. [PMID: 8941329 DOI: 10.1006/viro.1996.0634] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Strains of beet curly top geminivirus (BCTV) possess distinct cis- and trans-acting replication specificity elements which are not separately interchangeable among strains. Analysis of the replication competency of chimeric BCTV genomes, in which portions of the origin of DNA replication (ori) were derived from heterologous BCTV strains, have permitted identification of an essential cis-acting element governing strain-specific replication in a subgroup II geminivirus. Our studies indicate that the cis-acting element responsible for strain-specific replication properties resides within the directly repeated motif of the BCTV ori. Transient replication assays conducted in leaf disks and complementation experiments conducted in whole plants indicated that the trans-acting replication specificity element, residing within the amino-terminal region of the C1 Rep protein, may recognize and replicate a chimeric BCTV genome containing a heterologous ori so long as all or portions of the core element of the directly repeated motif are derived from the same strain as the Rep protein. As Rep protein binding to the core element of the directly repeated motif has been demonstrated by others to be essential for replication of subgroup III geminiviruses, our results support the hypothesis that replication specificity of subgroup II viruses is governed by processes similar to that of subgroup III viruses. However, a second cis-acting element of the ori, which appears to contribute to subgroup III virus replication specificity, does not seem to be required for replication specificity among the subgroup II viruses examined. Nonetheless, a potential role for a second cis-acting element in the BCTV ori contributing to maximal replication cannot be excluded.
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Affiliation(s)
- I R Choi
- Department of Biological Sciences, Northern Illinois University, DeKalb, 60115, USA
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Abstract
The Logan and CFH strains of the geminivirus beet curly top virus (BCTV) possess cis- and trans-DNA replication factors which exhibit specificity and are not functionally interchangeable. We demonstrate that the cis-acting replication specificity element is entirely contained within a 82- to 97-bp fragment which includes most of the viral DNA origin of replication. We also demonstrate that the strain-specific trans-acting replication determinant is located within amino acid residues 3-89 of the BCTV C1 replication protein. Transient replication assays indicated that chimeric BCTV genomes containing reciprocally exchanged regions of the CFH and Logan genomes were replication competent when the cis- and trans-replication specificity elements were derived from the same strain. Two reciprocal chimeric viral genomes with heterologous cis- and trans-replication elements were incapable of self-replication, yet could trans-replicate one another in a coinoculation experiment. Only chimeric genomes possessing the Logan trans-replication element were capable of mobilizing and amplifying a transgenic Logan derived DI-DNA. DI-DNA mobilization and amplification occurred in transient replication assays even when the helper virus genome was incapable of self-replication, providing that the trans-replication element was derived from the Logan strain. These results genetically define specific regions of the BCTV C1 replication protein determining viral DNA replication origin recognition and provide clear evidence that strains of BCTV have evolved specific cis- and trans-replication factors which functionally define the Logan and CFH strains as distinct viral agents.
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Affiliation(s)
- I R Choi
- Department of Biological Sciences, Northern Illinois University, DeKalb 60115
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