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Fernández-Bravo M, Bonnet J, Quesada-Moraga E, Garrido-Jurado I. Imperfect match between radiation exposure times required for conidial viability loss and infective capacity reduction attenuate UV-B impact on Beauveria bassiana. PEST MANAGEMENT SCIENCE 2024; 80:1557-1565. [PMID: 37964642 DOI: 10.1002/ps.7889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/26/2023] [Accepted: 11/15/2023] [Indexed: 11/16/2023]
Abstract
BACKGROUND UV-B radiation represents a significant challenge for the widespread use of entomopathogenic fungi in pest management. This study focused on research of the asynchronous response between virulence and conidial viability against Ceratitis capitata adults using specific statistical models. Moreover, it was also investigated whether the observed differences in susceptibility to UV-B radiation in in vitro assays among three selected isolates of Beauveria bassiana were reflected in the above-mentioned asynchrony. RESULTS While the irradiation of the three isolates of B. bassiana was associated with a significant loss of conidial viability, their virulence was not significantly affected compared to nonirradiated treatments when exposed to 1200 mW m-2 for 6 h before or after the inoculation of C. capitata. In fact, the irradiation time needed to reduce the mortality to 50% compared to the controls was 34.69 h for EABb 10/225-Fil, 16.36 h for EABb 09/20-Fil, and 24.59 h for EABb 09/28-Fil. Meanwhile, the irradiation time necessary to reduce conidial viability to 50% was 9.89 h for EABb 10/225-Fil, 8.74 h for EABb 09/20-Fil, and 4.71 h for EABb 09/28-Fil. CONCLUSION These results highlight the importance of modeling the response of entomopathogenic fungi virulence and conidial susceptibility when exposed to UV-B radiation for the selection of environmentally competent isolates, regardless of the results obtained in previous in vitro assays on conidial germination. This strategic approach is critical in overcoming the challenges posed by UV-B radiation and holds the key to realizing the full potential of entomopathogenic fungi in pest management. © 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- María Fernández-Bravo
- Agricultural Entomology, Department of Agronomy, Excellence Unit María de Maeztu (DAUCO), ETSIAM, University of Cordoba, Córdoba, Spain
| | - Jolijn Bonnet
- Agricultural Entomology, Department of Agronomy, Excellence Unit María de Maeztu (DAUCO), ETSIAM, University of Cordoba, Córdoba, Spain
| | - Enrique Quesada-Moraga
- Agricultural Entomology, Department of Agronomy, Excellence Unit María de Maeztu (DAUCO), ETSIAM, University of Cordoba, Córdoba, Spain
| | - Inmaculada Garrido-Jurado
- Agricultural Entomology, Department of Agronomy, Excellence Unit María de Maeztu (DAUCO), ETSIAM, University of Cordoba, Córdoba, Spain
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Mesquita E, Hu S, Lima TB, Golo PS, Bidochka MJ. Utilization of Metarhizium as an insect biocontrol agent and a plant bioinoculant with special reference to Brazil. FRONTIERS IN FUNGAL BIOLOGY 2023; 4:1276287. [PMID: 38186633 PMCID: PMC10768067 DOI: 10.3389/ffunb.2023.1276287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/30/2023] [Indexed: 01/09/2024]
Abstract
Brazil has a long history of using biological control and has the largest program in sugarcane agriculture to which a biocontrol program has been applied. This achievement is at least partly due to the utilization of the entomopathogenic fungus Metarhizium. This well-known fungal genus exhibits pathogenicity against a broad range of arthropod hosts and has been used globally as a biocontrol agent. This fungus is also a root symbiont, and in this capacity, it is a plant growth promoter. However, this feature (i.e., as a plant symbiont) has yet to be fully explored and implemented in Brazil, although the number of reports demonstrating Metarhizium's utility as a plant bioinoculant is increasing. The Brazilian bioproduct industry targets agricultural pests, and is limited to two Metarhizium species represented by four fungal isolates as active ingredients. Entomopathogenic fungi have also been successful in controlling arthropods of public health concern, as shown in their control of mosquitoes, which are vectors of diseases. The isolation of new indigenous Metarhizium isolates from a variety of substrates such as soil, insects, and plants shows the wide genetic diversity within this fungal genus. In this review, we emphasize the significance of Metarhizium spp. for the biological control of insects in Brazil. We also suggest that the experience and success of biological control with fungi in Brazil is an important resource for developing integrated pest management and sustainable strategies for pest control worldwide. Moreover, the future implementation prospects of species of Metarhizium being used as bioinoculants and possible new advances in the utility of this fungus are discussed.
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Affiliation(s)
- Emily Mesquita
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
| | - Shasha Hu
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
| | - Tais B. Lima
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
| | - Patricia Silva Golo
- Department of Animal Parasitology, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropedica, RJ, Brazil
| | - Michael J. Bidochka
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
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3
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Rangel DEN, Acheampong MA, Bignayan HG, Golez HG, Roberts DW. Conidial mass production of entomopathogenic fungi and tolerance of their mass-produced conidia to UV-B radiation and heat. Fungal Biol 2023; 127:1524-1533. [PMID: 38097326 DOI: 10.1016/j.funbio.2023.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 04/30/2023] [Accepted: 07/07/2023] [Indexed: 12/18/2023]
Abstract
We investigated conidial mass production of eight isolates of six entomopathogenic fungi (EPF), Aphanocladium album (ARSEF 1329), Beauveria bassiana (ARSEF 252 and 3462), Lecanicillium aphanocladii (ARSEF 6433), Metarhizium anisopliae sensu lato (ARSEF 2341), Metarhizium pingshaense (ARSEF 1545), and Simplicillium lanosoniveum (ARSEF 6430 and 6651) on white or brown rice at four moisture conditions (75-100%). The tolerance of mass-produced conidia of the eight fungal isolates to UV-B radiation and heat (45 °C) were also evaluated. For each moisture content compared, a 20-g sample of rice in a polypropylene bag was inoculated with each fungal isolate in three replicates and incubated at 28 ± 1 °C for 14 days. Conidia were then harvested by washing the substrate, and conidial concentrations determined by haemocytometer counts. Conidial suspensions were inoculated on PDAY with 0.002% benomyl in Petri plates and exposed to 978 mW m-2 of Quaite-weighted UV-B for 2 h. Additionally, conidial suspensions were exposed to 45 °C for 3 h, and aliquots inoculated on PDAY with benomyl. The plates were incubated at 28 ± 1 °C, and germination was assessed at 400 × magnification after 48 h. Conidial production was generally higher on white rice than on brown rice for all fungal species, except for L. aphanocladii ARSEF 6433, regardless of moisture combinations. The 100% moisture condition provided higher conidial production for B. bassiana (ARSEF 252 and ARSEF 3462) and M. anisopliae (ARSEF 2341) isolates, while the addition of 10% peanut oil enhanced conidial yield for S. lanosoniveum isolate ARSEF 6430. B. bassiana ARSEF 3462 on white rice with 100% water yielded the highest conidial production (approximately 1.3 × 1010 conidia g-1 of substrate). Conidia produced on white rice with the different moisture conditions did not differ in tolerance to UV-B radiation or heat. However, high tolerance to UV-B radiation and heat was observed for B. bassiana, M. anisopliae, and A. album isolates. Heat-treated conidia of S. lanosoniveum and L. aphanocladii did not germinate.
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Affiliation(s)
- Drauzio E N Rangel
- Universidade Tecnológica Federal do Paraná, Dois Vizinhos, Paraná, 85660-000, Brazil; Department of Biology, Utah State University, Logan, UT, 84322-5305, USA.
| | - Mavis A Acheampong
- Department of Crop Science, University of Ghana, Legon, P.O. Box LG 44, Accra, Ghana
| | - Helen G Bignayan
- Department of Biology, Utah State University, Logan, UT, 84322-5305, USA; Bureau of Plant Industry, National Mango Research, and Development Center, Jordan, Guimaras, 5045, Philippines
| | - Hernani G Golez
- Department of Biology, Utah State University, Logan, UT, 84322-5305, USA; Bureau of Plant Industry, National Mango Research, and Development Center, Jordan, Guimaras, 5045, Philippines
| | - Donald W Roberts
- Department of Biology, Utah State University, Logan, UT, 84322-5305, USA
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Alder-Rangel A, Bailão AM, Herrera-Estrella A, Rangel AEA, Gácser A, Gasch AP, Campos CBL, Peters C, Camelim F, Verde F, Gadd GM, Braus G, Eisermann I, Quinn J, Latgé JP, Aguirre J, Bennett JW, Heitman J, Nosanchuk JD, Partida-Martínez LP, Bassilana M, Acheampong MA, Riquelme M, Feldbrügge M, Keller NP, Keyhani NO, Gunde-Cimerman N, Nascimento R, Arkowitz RA, Mouriño-Pérez RR, Naz SA, Avery SV, Basso TO, Terpitz U, Lin X, Rangel DEN. The IV International Symposium on Fungal Stress and the XIII International Fungal Biology Conference. Fungal Biol 2023; 127:1157-1179. [PMID: 37495306 DOI: 10.1016/j.funbio.2023.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 04/24/2023] [Indexed: 07/28/2023]
Abstract
For the first time, the International Symposium on Fungal Stress was joined by the XIII International Fungal Biology Conference. The International Symposium on Fungal Stress (ISFUS), always held in Brazil, is now in its fourth edition, as an event of recognized quality in the international community of mycological research. The event held in São José dos Campos, SP, Brazil, in September 2022, featured 33 renowned speakers from 12 countries, including: Austria, Brazil, France, Germany, Ghana, Hungary, México, Pakistan, Spain, Slovenia, USA, and UK. In addition to the scientific contribution of the event in bringing together national and international researchers and their work in a strategic area, it helps maintain and strengthen international cooperation for scientific development in Brazil.
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Affiliation(s)
| | - Alexandre Melo Bailão
- Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, GO, Brazil
| | - Alfredo Herrera-Estrella
- Unidad de Genómica Avanzada-Langebio, Centro de Investigación y de Estudios Avanzados Del IPN, Irapuato, Guanajuato, Mexico
| | | | - Attila Gácser
- HCEMM-USZ Fungal Pathogens Research Group, Department of Microbiology, University of Szeged, Szeged, Hungary
| | - Audrey P Gasch
- Center for Genomic Science Innovation, University of Wisconsin Madison, Madison, WI, USA
| | - Claudia B L Campos
- Instituto de Ciência e Tecnologia, Universidade Federal de São Paulo, São José Dos Campos, SP, Brazil
| | - Christina Peters
- Deutsche Forschungsgemeinschaft (DFG), Office Latin America, São Paulo, SP, Brazil
| | - Francine Camelim
- German Academic Exchange Service (DAAD), DWIH, Sao Paulo, SP, Brazil
| | - Fulvia Verde
- Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Geoffrey Michael Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, Scotland, UK
| | - Gerhard Braus
- Institute for Microbiology and Genetics, Department of Molecular Microbiology and Genetics, Goettingen Center for Molecular Biosciences, University of Goettingen, Goettingen, Germany
| | - Iris Eisermann
- The Sainsbury Laboratory, University of East Anglia, Norwich, England, UK
| | - Janet Quinn
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, England, UK
| | - Jean-Paul Latgé
- Institute of Molecular Biology and Biotechnology FORTH and School of Medicine, University of Crete Heraklion, Greece
| | - Jesus Aguirre
- Departamento de Biología Celular y Del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autonoma de México, Mexico City, Mexico
| | - Joan W Bennett
- Department of Plant Biology, Rutgers, State University of New Jersey, New Brunswick, NJ, USA
| | - Joseph Heitman
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Joshua D Nosanchuk
- Departments of Medicine and Microbiology and Immunology, Albert Einstein College of Medicine, The Bronx, NY, USA
| | | | - Martine Bassilana
- Institute of Biology Valrose, University Côte D'Azur, CNRS, INSERM, Nice, France
| | | | - Meritxell Riquelme
- Department of Microbiology, Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, Mexico
| | - Michael Feldbrügge
- Institute of Microbiology, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Nancy P Keller
- Department of Medical Microbiology, Department of Plant Pathology, University of Wisconsin, Madison, WI, USA
| | - Nemat O Keyhani
- Department of Microbiology and Cell Science, University of Florida, Gainesville, FL, USA
| | - Nina Gunde-Cimerman
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Raquel Nascimento
- Deutsche Forschungsgemeinschaft (DFG), Office Latin America, São Paulo, SP, Brazil
| | - Robert A Arkowitz
- Institute of Biology Valrose, University Côte D'Azur, CNRS, INSERM, Nice, France
| | - Rosa Reyna Mouriño-Pérez
- Department of Microbiology, Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, Mexico
| | - Sehar Afshan Naz
- Lab of Applied Microbiology and Clinical Mycology, Department of Microbiology, Federal Urdu University of Arts, Science and Technology, Gulshan Iqbal, Karachi, Pakistan
| | - Simon V Avery
- School of Life and Environmental Sciences, University of Nottingham, Nottingham, England, UK
| | - Thiago Olitta Basso
- Department of Chemical Engineering, Escola Politécnica, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Ulrich Terpitz
- Department of Biotechnology and Biophysics, Theodor-Boveri-Institute, Biocenter, Julius-Maximilians-Universität Würzburg, Wuerzburg, Germany
| | - Xiaorong Lin
- Department of Microbiology, University of Georgia, Athens, GA, USA
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Licona-Juárez KC, Andrade EP, Medina HR, Oliveira JNS, Sosa-Gómez DR, Rangel DEN. Tolerance to UV-B radiation of the entomopathogenic fungus Metarhizium rileyi. Fungal Biol 2023; 127:1250-1258. [PMID: 37495315 DOI: 10.1016/j.funbio.2023.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 04/11/2023] [Accepted: 04/17/2023] [Indexed: 07/28/2023]
Abstract
Soybean, corn, and cotton crops are afflicted by several noctuid pests and the development of bioinsecticides could help control these pests. The fungus Metarhizium rileyi has the greatest potential because its epizootics decimate caterpillar populations in the absence of insecticide applications. However, insect-pathogenic fungi when used for insect control in agriculture have low survival mainly due to the deleterious effects of ultraviolet radiation and heat from solar radiation. In this study, fourteen isolates of M. rileyi were studied and compared with isolates ARSEF 324 and ARSEF 2575 of Metarhizium acridum and Metarhizium robertsii, respectively, whose sensitivity to UV-B radiation had previously been studied. Conidia were exposed at room temperature (ca. 26 °C) to 847.90 mWm-2 of Quaite-weighted UV-B using two fluorescent lamps. The plates containing the conidial suspensions were irradiated for 1, 2, and 3 h, providing doses of 3.05, 6.10, and 9.16 kJ m2, respectively. A wide variability in conidial UV-B tolerance was found among the fourteen isolates of M. rileyi. Isolate CNPSo-Mr 150 was the most tolerant isolate (germination above 80% after 2 h exposure), which was comparable to ARSEF 324 (germination above 90% after 2 h exposure), the most tolerant Metarhizium species. The least tolerant isolates were CNPSo-Mr 141, CNPSo-Mr 142, CNPSo-Mr 156, and CNPSo-Mr 597. Nine M. rileyi isolates exhibited similar tolerance to UV-B radiation as ARSEF 2575 (germination above 50% after 2 h exposure). In conclusion, the majority of M. rileyi isolates studied can endure 1 or 2 h of UV-B radiation exposure. However, after 3 h of exposure, the germination of all studied isolates reduced below 40%, except for CNPSo-Mr 150 and ARSEF 324.
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Affiliation(s)
- Karla Cecilia Licona-Juárez
- Universidade Brasil, São Paulo, SP, 08230-030, Brazil; Laboratorio de Biología Molecular, Tecnológico Nacional de México, A. García Cubas 600, Celaya, Guanajuato, 38010, Mexico
| | | | - Humberto R Medina
- Laboratorio de Biología Molecular, Tecnológico Nacional de México, A. García Cubas 600, Celaya, Guanajuato, 38010, Mexico
| | | | | | - Drauzio E N Rangel
- Universidade Tecnológica Federal do Paraná, UTFPR, Dois Vizinhos, PR, 85660-000, Brazil.
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Sun YX, Zhang BX, Zhang WT, Wang Q, Toufeeq S, Rao XJ. UV-induced mutagenesis of Beauveria bassiana (Hypocreales: Clavicipitaceae) yields two hypervirulent isolates with different transcriptomic profiles. PEST MANAGEMENT SCIENCE 2023. [PMID: 36914429 DOI: 10.1002/ps.7452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 01/31/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND The fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae) can infest over 300 plant species and cause huge economic losses. Beauveria bassiana (Hypocreales: Clavicipitaceae) is one of the most widely used entomopathogenic fungi (EPF). Unfortunately, the efficacy of B. bassiana against S. frugiperda is quite low. Hypervirulent EPF isolates can be obtained by ultraviolet (UV)-irradiation. Here we report on the UV-induced mutagenesis and transcriptomic analysis of B. bassiana. RESULTS The wild-type (WT) B. bassiana (ARSEF2860) was exposed to UV light to induce mutagenesis. Two mutants (named 6M and 8M) showed higher growth rates, conidial yields, and germination rates compared to the WT strain. The mutants showed higher levels of tolerance to osmotic, oxidative, and UV stresses. The mutants showed higher protease, chitinase, cellulose, and chitinase activities than WT. Both WT and mutants were compatible with the insecticides matrine, spinetoram, and chlorantraniliprole, but incompatible with emamectin benzoate. Insect bioassays showed that both mutants were more virulent against S. frugiperda and the greater wax moth Galleria mellonella. Transcriptomic profiles of the WT and mutants were determined by RNA-sequencing. The differentially expressed genes (DEGs) were identified. The gene set enrichment analysis (GSEA), protein-protein interaction (PPI) network, and hub gene analysis revealed virulence-related genes. CONCLUSION Our data demonstrate that UV-irradiation is a very efficient and economical technique to improve the virulence and stress resistance of B. bassiana. Comparative transcriptomic profiles of the mutants provide insights into virulence genes. These results provide new ideas for improving the genetic engineering and field efficacy of EPF. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Yan-Xia Sun
- Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, School of Plant Protection, Anhui Agricultural University, Hefei, China
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, Hefei, China
| | - Bang-Xian Zhang
- Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, School of Plant Protection, Anhui Agricultural University, Hefei, China
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, Hefei, China
- Department of Science and Technology, Chuzhou University, Chuzhou, China
| | - Wen-Ting Zhang
- Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, School of Plant Protection, Anhui Agricultural University, Hefei, China
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, Hefei, China
| | - Qian Wang
- Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, School of Plant Protection, Anhui Agricultural University, Hefei, China
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, Hefei, China
| | - Shahzad Toufeeq
- Key Laboratory of Insect Development and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Xiang-Jun Rao
- Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, School of Plant Protection, Anhui Agricultural University, Hefei, China
- Anhui Province Key Laboratory of Integrated Pest Management on Crops, Hefei, China
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Characterization of Brazilian Cordyceps fumosorosea isolates: Conidial production, tolerance to ultraviolet-B radiation, and elevated temperature. J Invertebr Pathol 2023; 197:107888. [PMID: 36681179 DOI: 10.1016/j.jip.2023.107888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 01/04/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023]
Abstract
Cordyceps fumosorosea is an entomopathogenic fungus with a global distribution and is used for the biological control of agricultural pests. High conidial productivity and tolerance to abiotic stresses such as elevated temperature and ultraviolet radiation (UV-B) are desired characteristics in candidate isolates for commercial products. Our goal in this study was to characterize promising isolates of C. fumosorosea from five Brazilian biomes regarding conidial production, tolerance to UV-B, and elevated temperature (45°). Seventy-two isolates out of 172 were chosen visually, based on growth and sporulation in culture medium, and grown on parboiled rice. Next, fourteen isolates were selected, based on productivity on rice and origin of isolation, for production in polypropylene bags and submitted to UV-B for 2, 4, 6, and 8 h or to 45 °C for 30, 60, and 90 min. High variations in conidial production were observed among isolates, and a positive correlation was observed between UV-B and heat tolerance. The isolates ESALQ4556 and ESALQ4778 showed the highest yields of conidial production in polypropylene bags (3.51 × 109 conidia/g dry rice), while ESALQ1296, an isolate recovered from insects, was the most tolerant to UV-B and 45 °C. Exposure to radiation for more than 4 h and placed directly at 45 °C for more than 30 min significantly reduced conidial germination for all C. fumosorosea isolates. These results contribute to a better understanding of the tolerance to abiotic factors of Brazilian isolates of C. fumosorosea.
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Peng ZY, Huang ST, Chen JT, Li N, Wei Y, Nawaz A, Deng SQ. An update of a green pesticide: Metarhizium anisopliae. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2147224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Zhe-Yu Peng
- Department of Pathogen Biology, the Key Laboratory of Microbiology and Parasitology of Anhui Province, the Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, People’s Republic of China
| | - Shu-Ting Huang
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People’s Republic of China
| | - Jia-Ting Chen
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People’s Republic of China
| | - Ni Li
- Department of Pathogen Biology, the Key Laboratory of Microbiology and Parasitology of Anhui Province, the Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, People’s Republic of China
| | - Yong Wei
- Department of Pathogen Biology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, People’s Republic of China
| | - Asad Nawaz
- Department of Pathogen Biology, the Key Laboratory of Microbiology and Parasitology of Anhui Province, the Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, People’s Republic of China
| | - Sheng-Qun Deng
- Department of Pathogen Biology, the Key Laboratory of Microbiology and Parasitology of Anhui Province, the Key Laboratory of Zoonoses of High Institutions in Anhui, School of Basic Medical Sciences, Anhui Medical University, Hefei, People’s Republic of China
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Willden SA, Ugine TA, Loeb GM. The effect of UVB-blocking plastics on the efficacy of Beauveria bassiana and a conventional product against Lygus lineolaris on low tunnel strawberry. PEST MANAGEMENT SCIENCE 2022; 78:4268-4277. [PMID: 35716065 DOI: 10.1002/ps.7046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/14/2022] [Accepted: 06/18/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Effective, safe and practical biocontrol options are greatly needed for combating Lygus lineolaris on protected culture strawberry. This study demonstrated how ultaviolet (UV)-selective plastics can improve the efficacy of the fungal biocontrol agent Beauveria bassiana (Mycotrol) compared to the conventional insecticide acetamiprid (Assail) against L. lineolaris on low tunnel strawberry. RESULTS We found that UVB-blocking treatments improved B. bassiana spore viability in both in vitro and in vivo laboratory experiments. In the field, survival of Mycotrol-treated sentinel L. lineolaris was lowest under UVB-blocking low tunnels, but this did not translate into significant differences among covering treatments in local L. lineolaris density or fruit damage. In contrast, applying the product Assail resulted in the lowest L. lineolaris density and highest quality yield compared to Mycotrol sprays. This was especially pronounced under low tunnels of any UV-limiting plastic. CONCLUSIONS This study indicates that growing under low tunnels is a useful tool to improve the efficacy of conventional products and biopesticides containing microbial biocontrol agents. The efficacy of both products was improved under low tunnels, and specifically under UVB-blocking plastics for Mycotrol containing B. bassiana. However, there was little evidence that UVB plastics resulted in lower L. lineolaris densities and proportion of damaged fruit for either product in the field. Therefore we conclude that growing under any plastic covering is likely to benefit growers, but the economic value of growing under UVB tunnels is unclear. © 2022 Society of Chemical Industry.
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Affiliation(s)
| | - Todd A Ugine
- Department of Entomology, Cornell University, Ithaca, NY, USA
| | - Gregory M Loeb
- Department of Entomology, Cornell AgriTech, Geneva, NY, USA
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10
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Sutanto KD, Husain M, Rasool KG, Malik AF, Al-Qahtani WH, Aldawood AS. Persistency of Indigenous and Exotic Entomopathogenic Fungi Isolates under Ultraviolet B (UV-B) Irradiation to Enhance Field Application Efficacy and Obtain Sustainable Control of the Red Palm Weevil. INSECTS 2022; 13:103. [PMID: 35055945 PMCID: PMC8780514 DOI: 10.3390/insects13010103] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/05/2022] [Accepted: 01/07/2022] [Indexed: 11/16/2022]
Abstract
The red palm weevil Rhynchophorus ferrugineus Olivier (Coleoptera: Dryophthoridae) has become a key invasive pest and major threat to the palm tree worldwide. Several entomopathogenic fungi are used in insect biological control programs. In the present study, persistency of different local and exotic fungal isolates of Beauveria bassiana and Metarhizium anisopliae was evaluated under UV-B irradiation with different exposure intervals. Several factors, including ultraviolet (UV) light, significantly decrease germination rate of fungi, as UV penetrates and damages their DNA. Several studies have investigated that UV-resistant conidia germinate better under harsh environmental conditions. Seven local and exotic fungi isolates ("BbSA-1", "BbSA-2", "BbSA-3", "MaSA-1", "BbIDN-1", "MaIDN-1", and "MaIDN-2") were tested in the current study under UV-B irradiation having different UV exposure times (i.e., 15, 30, 60, 120, 180, 240, and 300 min). The colony-forming unit (CFU) in each isolate was used to calculate the survival rate. Results indicated that survival rate of all the isolates decreased under UV-B irradiation for all exposure times compared to no exposure to UV-B irradiation. The CFU number decreased as the exposure time increased. Fungi isolates "MaSA-1", "BbSA-1", "BbSA-2", "MaIDN-1", and "MaIDN-2" could persist after 300 min exposure to UV-B, while the remaining isolates, such as "BbIDN-1", and "BbSA-3", could not persist after 300 min exposure to UV-B. The ultimate objective of the present research was to explore an ultraviolet-tolerant fungal isolate that might be useful in the field application for the sustainable management of the red palm weevil, which has become a key invasive pest in many regions rather than its native range. Most of the fungus isolates studied in the present work were collected from Saudi Arabia's Al-Qatif region, where the red palm weevil has infested more than ten thousand trees, worth millions of riyals.
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Affiliation(s)
- Koko Dwi Sutanto
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia; (K.D.S.); (K.G.R.); (A.S.A.)
| | - Mureed Husain
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia; (K.D.S.); (K.G.R.); (A.S.A.)
| | - Khawaja Ghulam Rasool
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia; (K.D.S.); (K.G.R.); (A.S.A.)
| | - Akhmad Faisal Malik
- Directorate of Estate Crops Protection, Ministry of Agriculture, Jakarta 12550, Indonesia;
| | - Wahidah Hazza Al-Qahtani
- Department of Food Sciences and Nutrition, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia;
| | - Abdulrahman Saad Aldawood
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia; (K.D.S.); (K.G.R.); (A.S.A.)
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11
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Couceiro JDC, Fatoretto MB, Demétrio CGB, Meyling NV, Delalibera Í. UV-B Radiation Tolerance and Temperature-Dependent Activity Within the Entomopathogenic Fungal Genus Metarhizium in Brazil. FRONTIERS IN FUNGAL BIOLOGY 2021; 2:645737. [PMID: 37744102 PMCID: PMC10512313 DOI: 10.3389/ffunb.2021.645737] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 02/15/2021] [Indexed: 09/26/2023]
Abstract
Metarhizium comprises a phylogenetically diverse genus of entomopathogenic fungi. In Brazil, Metarhizium anisopliae s.str. subclade Mani 2 is predominantly isolated from insects, while M. robertsii and M. brunneum mostly occur in the soil environment. Solar radiation and high temperatures are important abiotic factors that can be detrimental to fungal propagules. We hypothesized that among 12 Brazilian isolates of Metarhizium spp., M. anisopliae Mani 2 (n = 6), being adapted to abiotic conditions of the phylloplane, is more tolerant to UV light and high temperatures than M. robertsii (n = 3) and M. brunneum (n = 3). Inoculum of each isolate was exposed to UV-B for up to 8 h and viability evaluated 48 h later. After 8 h under UV-B, most of the isolates had germination rates below 5%. Discs of mycelia were incubated at different temperatures, and diameter of colonies were recorded for 12 days. Mycelia of M. robertsii isolates grew faster at 33 °C, while M. anisopliae and M. brunneum grew most at 25 °C. Dry conidia were incubated at 20, 25 or 40 °C for 12 days, and then viabilities were examined. At 40 °C, conidia of five M. anisopliae isolates were the most tolerant. In the three experiments, considerable intra- and inter-specific variability was detected. The results indicate that conclusions about tolerance to these abiotic factors should be made only at the isolate level.
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Affiliation(s)
- Joel da Cruz Couceiro
- Laboratory of Pathology and Microbial Control of Insects, Department of Entomology and Acarology, “Luiz de Queiroz” College of Agriculture, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
- Section for Organismal Biology, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Maíra Blumer Fatoretto
- Department of Exact Sciences, “Luiz de Queiroz” College of Agriculture, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
| | - Clarice Garcia Borges Demétrio
- Department of Exact Sciences, “Luiz de Queiroz” College of Agriculture, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
| | - Nicolai Vitt Meyling
- Section for Organismal Biology, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Ítalo Delalibera
- Laboratory of Pathology and Microbial Control of Insects, Department of Entomology and Acarology, “Luiz de Queiroz” College of Agriculture, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
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12
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Moore SD. Biological Control of a Phytosanitary Pest ( Thaumatotibia leucotreta): A Case Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18031198. [PMID: 33572807 PMCID: PMC7908599 DOI: 10.3390/ijerph18031198] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/20/2021] [Accepted: 01/23/2021] [Indexed: 11/16/2022]
Abstract
Thaumatotibia leucotreta, known as the false codling moth, is a pest of citrus and other crops in sub-Saharan Africa. As it is endemic to this region and as South Africa exports most of its citrus around the world, T. leucotreta has phytosanitary status for most markets. This means that there is zero tolerance for any infestation with live larvae in the market. Consequently, control measures prior to exporting must be exemplary. Certain markets require a standalone postharvest disinfestation treatment for T. leucotreta. However, the European Union accepts a systems approach, consisting of three measures and numerous components within these measures. Although effective preharvest control measures are important under all circumstances, they are most critical where a standalone postharvest disinfestation treatment is not applied, such as within a systems approach. Conventional wisdom may lead a belief that effective chemical control tools are imperative to achieve this end. However, we demonstrate that it is possible to effectively control T. leucotreta to a level acceptable for a phytosanitary market, using only biological control tools. This includes parasitoids, predators, microbial control, semiochemicals, and sterile insects. Simultaneously, on-farm and environmental safety is improved and compliance with the increasing stringency of chemical residue requirements imposed by markets is achieved.
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Affiliation(s)
- Sean D. Moore
- Citrus Research International, P.O. Box 5095, Walmer, Port Elizabeth 6065, South Africa;
- Centre for Biological Control, Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Makhanda 6140, South Africa
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13
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Du D, Lu L, Hu X, Pu Z, Huang Z, Chen G, Liu S, Lyu J. Virulence of Purpureocillium lilacinum strain ZJPL08 and efficacy of a wettable powder formulation against the Asian citrus psyllid (Diaphorina citri). BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1823881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Danchao Du
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Lianming Lu
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Xiurong Hu
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Zhanxu Pu
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Zhendong Huang
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Guoqing Chen
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Shunmin Liu
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
| | - Jia Lyu
- Plant Protection Laboratory, Zhejiang Citrus Research Institute, Zhejiang Academy of Agricultural Sciences, Taizhou, Zhejiang, PR China
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14
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Acheampong MA, Coombes CA, Moore SD, Hill MP. Temperature tolerance and humidity requirements of select entomopathogenic fungal isolates for future use in citrus IPM programmes. J Invertebr Pathol 2020; 174:107436. [PMID: 32619548 DOI: 10.1016/j.jip.2020.107436] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/21/2020] [Accepted: 06/20/2020] [Indexed: 11/26/2022]
Abstract
Several isolates of Beauveria bassiana (Balsamo-Crivelli) Vuillemin (Hypocreales: Cordycipitacae) and Metarhizium anisopliae (Metchnikoff) Sorokin (Hypocreales: Clavicipitacae) have been investigated as possible microbial control agents of key citrus pests in South Africa. Although laboratory results have been promising, field trials against foliar pests have shown limited success. These findings highlighted the need to investigate other biological attributes of these fungal isolates besides virulence in order to select candidates that may be better suited for the foliar environment. Thus, this study investigated the influence of temperature on the in vitro growth of seven indigenous local isolates and the humidity requirements necessary to promote successful infection, in comparison with two commercial isolates (B. bassiana PPRI 5339 and M. anisopliae ICIPE 69). All the fungal isolates grew across a range of temperatures (8-34 °C) and optimally between 26 and 28 °C. Similarly, fungal infection of Thaumatotibia leucotreta Meyrick (Lepidoptera: Tortricidae) fifth instars occurred across a range of humidity levels (12%, 43%, 75%, 98%) regardless of fungal concentration, although external sporulation was restricted to treatments exposed to 98% relative humidity. It was concluded that neither temperature nor humidity, when considered alone, is likely to significantly influence the efficacy of any of the isolates in the field, given that they are active within temperature and humidity ranges experienced in South African citrus orchards.
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Affiliation(s)
- M A Acheampong
- Centre for Biological Control, Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa.
| | - C A Coombes
- Centre for Biological Control, Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa.
| | - S D Moore
- Centre for Biological Control, Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa; Citrus Research International, Walmer, P.O. Box 5095, Port Elizabeth 6065, South Africa.
| | - M P Hill
- Centre for Biological Control, Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa.
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15
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Alder-Rangel A, Idnurm A, Brand AC, Brown AJP, Gorbushina A, Kelliher CM, Campos CB, Levin DE, Bell-Pedersen D, Dadachova E, Bauer FF, Gadd GM, Braus GH, Braga GUL, Brancini GTP, Walker GM, Druzhinina I, Pócsi I, Dijksterhuis J, Aguirre J, Hallsworth JE, Schumacher J, Wong KH, Selbmann L, Corrochano LM, Kupiec M, Momany M, Molin M, Requena N, Yarden O, Cordero RJB, Fischer R, Pascon RC, Mancinelli RL, Emri T, Basso TO, Rangel DEN. The Third International Symposium on Fungal Stress - ISFUS. Fungal Biol 2020; 124:235-252. [PMID: 32389286 DOI: 10.1016/j.funbio.2020.02.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Accepted: 02/11/2020] [Indexed: 12/19/2022]
Abstract
Stress is a normal part of life for fungi, which can survive in environments considered inhospitable or hostile for other organisms. Due to the ability of fungi to respond to, survive in, and transform the environment, even under severe stresses, many researchers are exploring the mechanisms that enable fungi to adapt to stress. The International Symposium on Fungal Stress (ISFUS) brings together leading scientists from around the world who research fungal stress. This article discusses presentations given at the third ISFUS, held in São José dos Campos, São Paulo, Brazil in 2019, thereby summarizing the state-of-the-art knowledge on fungal stress, a field that includes microbiology, agriculture, ecology, biotechnology, medicine, and astrobiology.
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Affiliation(s)
| | - Alexander Idnurm
- School of BioSciences, The University of Melbourne, VIC, Australia
| | - Alexandra C Brand
- Medical Research Council Centre for Medical Mycology at the University of Exeter, Exeter, England, UK
| | - Alistair J P Brown
- Medical Research Council Centre for Medical Mycology at the University of Exeter, Exeter, England, UK
| | - Anna Gorbushina
- Bundesanstalt für Materialforschung und -prüfung, Materials and the Environment, Berlin, Germany
| | - Christina M Kelliher
- Department of Molecular & Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Claudia B Campos
- Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo, São José dos Campos, SP, Brazil
| | - David E Levin
- Boston University Goldman School of Dental Medicine, Boston, MA, USA
| | - Deborah Bell-Pedersen
- Center for Biological Clocks Research, Department of Biology, Texas A&M University, College Station, TX, USA
| | - Ekaterina Dadachova
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK, Canada
| | - Florian F Bauer
- Institute for Wine Biotechnology, Department of Viticulture and Oenology, Stellenbosch University, Matieland, South Africa
| | - Geoffrey M Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, Scotland, UK
| | - Gerhard H Braus
- Department of Molecular Microbiology and Genetics, Institute of Microbiology and Genetics and Goettingen Center for Molecular Biosciences, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Gilberto U L Braga
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Guilherme T P Brancini
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Graeme M Walker
- School of Applied Sciences, Abertay University, Dundee, Scotland, UK
| | | | - István Pócsi
- Department of Molecular Biotechnology and Microbiology, University of Debrecen, Debrecen, Hungary
| | - Jan Dijksterhuis
- Westerdijk Fungal Biodiversity Institute, Utrecht, the Netherlands
| | - Jesús Aguirre
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - John E Hallsworth
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Julia Schumacher
- Bundesanstalt für Materialforschung und -prüfung, Materials and the Environment, Berlin, Germany
| | - Koon Ho Wong
- Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
| | - Laura Selbmann
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy; Italian National Antarctic Museum (MNA), Mycological Section, Genoa, Italy
| | | | - Martin Kupiec
- School of Molecular Cell Biology and Biotechnology, Tel Aviv University, Tel Aviv, Israel
| | - Michelle Momany
- Fungal Biology Group & Plant Biology Department, University of Georgia, Athens, GA, USA
| | - Mikael Molin
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Natalia Requena
- Molecular Phytopathology Department, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Oded Yarden
- Department of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jeruslaem, Rehovot 7610001, Israel
| | - Radamés J B Cordero
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, 21205, USA
| | - Reinhard Fischer
- Department of Microbiology, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Renata C Pascon
- Biological Sciences Department, Universidade Federal de São Paulo, Diadema, SP, Brazil
| | | | - Tamas Emri
- Department of Molecular Biotechnology and Microbiology, University of Debrecen, Debrecen, Hungary
| | - Thiago O Basso
- Department of Chemical Engineering, Escola Politécnica, Universidade de São Paulo, São Paulo, SP, Brazil
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