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C S A, Kandasubramanian B. Hydrogel as an advanced energy material for flexible batteries. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2022.2113893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Anju C S
- CIPET, Institute of Petrochemicals Technology (IPT), Kochi, India
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Blue-Winged Teals in Guatemala and Their Potential Role in the Ecology of H14 Subtype Influenza a Viruses. Viruses 2023; 15:v15020483. [PMID: 36851697 PMCID: PMC9961055 DOI: 10.3390/v15020483] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Wild aquatic birds are considered the natural hosts of 16 HA (H1-H16) and 9 NA (N1-N9) subtypes of influenza A viruses (FLUAV) found in different combinations. H14 FLUAVs are rarely detected in nature. Since 2011, H14 FLUAVs have been consistently detected in Guatemala, leading to the largest collection of this subtype from a single country. All H14 FLUAVs in Guatemala were detected from blue-winged teal samples. In this report, 17 new full-length H14 FLUAV genome sequences detected from 2014 until 2019 were analyzed and compared to all published H14 sequences, including Guatemala, North America, and Eurasia. The H14 FLUAVs identified in Guatemala were mostly associated with the N3 subtype (n = 25), whereas the rest were paired with either N4 (n = 7), N5 (n = 4), N6 (n = 1), and two mixed infections (N3/N5 n = 2, and N2/N3 n = 1). H14 FLUAVs in Guatemala belong to a distinct H14 lineage in the Americas that is evolving independently from the Eurasian H14 lineage. Of note, the ORF of the H14 HA segments showed three distinct motifs at the cleavage site, two of these containing arginine instead of lysine in the first and fourth positions, not previously described in other countries. The effects of these mutations on virus replication, virulence, and/or transmission remain unknown and warrant further studies.
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Gass JD, Kellogg HK, Hill NJ, Puryear WB, Nutter FB, Runstadler JA. Epidemiology and Ecology of Influenza A Viruses among Wildlife in the Arctic. Viruses 2022; 14:v14071531. [PMID: 35891510 PMCID: PMC9315492 DOI: 10.3390/v14071531] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/10/2022] [Accepted: 07/10/2022] [Indexed: 02/01/2023] Open
Abstract
Arctic regions are ecologically significant for the environmental persistence and geographic dissemination of influenza A viruses (IAVs) by avian hosts and other wildlife species. Data describing the epidemiology and ecology of IAVs among wildlife in the arctic are less frequently published compared to southern temperate regions, where prevalence and subtype diversity are more routinely documented. Following PRISMA guidelines, this systematic review addresses this gap by describing the prevalence, spatiotemporal distribution, and ecological characteristics of IAVs detected among wildlife and the environment in this understudied region of the globe. The literature search was performed in PubMed and Google Scholar using a set of pre-defined search terms to identify publications reporting on IAVs in Arctic regions between 1978 and February 2022. A total of 2125 articles were initially screened, 267 were assessed for eligibility, and 71 articles met inclusion criteria. IAVs have been detected in multiple wildlife species in all Arctic regions, including seabirds, shorebirds, waterfowl, seals, sea lions, whales, and terrestrial mammals, and in the environment. Isolates from wild birds comprise the majority of documented viruses derived from wildlife; however, among all animals and environmental matrices, 26 unique low and highly pathogenic subtypes have been characterized in the scientific literature from Arctic regions. Pooled prevalence across studies indicates 4.23% for wild birds, 3.42% among tested environmental matrices, and seroprevalences of 9.29% and 1.69% among marine and terrestrial mammals, respectively. Surveillance data are geographically biased, with most data from the Alaskan Arctic and many fewer reports from the Russian, Canadian, North Atlantic, and Western European Arctic. We highlight multiple important aspects of wildlife host, pathogen, and environmental ecology of IAVs in Arctic regions, including the role of avian migration and breeding cycles for the global spread of IAVs, evidence of inter-species and inter-continental reassortment at high latitudes, and how climate change-driven ecosystem shifts, including changes in the seasonal availability and distribution of dietary resources, have the potential to alter host–pathogen–environment dynamics in Arctic regions. We conclude by identifying gaps in knowledge and propose priorities for future research.
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Affiliation(s)
- Jonathon D. Gass
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA; (H.K.K.); (W.B.P.); (F.B.N.); (J.A.R.)
- Correspondence:
| | - Hunter K. Kellogg
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA; (H.K.K.); (W.B.P.); (F.B.N.); (J.A.R.)
| | - Nichola J. Hill
- Department of Biology, University of Massachusetts, Boston, MA 02125, USA;
| | - Wendy B. Puryear
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA; (H.K.K.); (W.B.P.); (F.B.N.); (J.A.R.)
| | - Felicia B. Nutter
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA; (H.K.K.); (W.B.P.); (F.B.N.); (J.A.R.)
| | - Jonathan A. Runstadler
- Department of Infectious Disease and Global Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA; (H.K.K.); (W.B.P.); (F.B.N.); (J.A.R.)
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Shan Q, Ding Q, Wang X, Wu W. Electrochemical Preparation of Hydroxylated Boron Nitride Nanosheets for Solid-State Flexible Supercapacitors Using Deep Eutectic Solvent and Water Mixture as Electrolytes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:8169-8178. [PMID: 35737723 DOI: 10.1021/acs.langmuir.2c01153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
One-step and efficient preparation of few-layer hydroxylated boron nitride nanosheets (OH-BNNSs) in electrochemical methods is still challenging. Here, we developed an electrolyte composed of a mixture of deep eutectic solvent (DES, choline chloride-urea) and water for electrochemical methods to enhance the exfoliation and oxidation processes, enabling the one-step preparation of OH-BNNSs. It was found that the obtained OH-BNNSs were an average lateral size of 625 nm and thickness of six layers. Furthermore, the OH-BNNSs and DES were added to the poly(vinyl alcohol) (PVA) substrate to prepare composite gel polymer electrolyte (PVA/DES/OH-BNNSs GPE) for solid-state flexible supercapacitor. The OH-BNNSs can effectively shorten the ionic transport distance and enhance ion conductivity. In addition, their excellent mechanical properties can significantly prevent the electrolyte structure from collapsing during reuse. In the meantime, DES was introduced to improve ionic conductivity and broaden the operating voltage window of supercapacitor. As a result, the symmetric solid-state flexible supercapacitor consisting of activated carbon electrodes and PVA/DES/OH-BNNSs GPE appeared a wide voltage window of 2.3 V, high specific capacitance of 151.22 F g-1 at 0.1 A g-1 and remained 98% capacitance after 1500 charge-discharge cycles. This study not only opened a new pathway to efficient exfoliation of insulating layered materials but also found a novel gel polymer electrolyte for solid-state flexible supercapacitors.
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Affiliation(s)
- Qian Shan
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Qihui Ding
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Xiyan Wang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Wei Wu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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Prosser DJ, Chen J, Ahlstrom CA, Reeves AB, Poulson RL, Sullivan JD, McAuley D, Callahan CR, McGowan PC, Bahl J, Stallknecht DE, Ramey AM. Maintenance and dissemination of avian-origin influenza A virus within the northern Atlantic Flyway of North America. PLoS Pathog 2022; 18:e1010605. [PMID: 35666770 PMCID: PMC9203021 DOI: 10.1371/journal.ppat.1010605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 06/16/2022] [Accepted: 05/19/2022] [Indexed: 11/25/2022] Open
Abstract
Wild waterbirds, the natural reservoirs for avian influenza viruses, undergo migratory movements each year, connecting breeding and wintering grounds within broad corridors known as flyways. In a continental or global view, the study of virus movements within and across flyways is important to understanding virus diversity, evolution, and movement. From 2015 to 2017, we sampled waterfowl from breeding (Maine) and wintering (Maryland) areas within the Atlantic Flyway (AF) along the east coast of North America to investigate the spatio-temporal trends in persistence and spread of influenza A viruses (IAV). We isolated 109 IAVs from 1,821 cloacal / oropharyngeal samples targeting mallards (Anas platyrhynchos) and American black ducks (Anas rubripes), two species having ecological and conservation importance in the flyway that are also host reservoirs of IAV. Isolates with >99% nucleotide similarity at all gene segments were found between eight pairs of birds in the northern site across years, indicating some degree of stability among genome constellations and the possibility of environmental persistence. No movement of whole genome constellations were identified between the two parts of the flyway, however, virus gene flow between the northern and southern study locations was evident. Examination of banding records indicate direct migratory waterfowl movements between the two locations within an annual season, providing a mechanism for the inferred viral gene flow. Bayesian phylogenetic analyses provided evidence for virus dissemination from other North American wild birds to AF dabbling ducks (Anatinae), shorebirds (Charidriformes), and poultry (Galliformes). Evidence was found for virus dissemination from shorebirds to gulls (Laridae), and dabbling ducks to shorebirds and poultry. The findings from this study contribute to the understanding of IAV ecology in waterfowl within the AF.
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Affiliation(s)
- Diann J. Prosser
- U.S. Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, United States of America
| | - Jiani Chen
- Center for Ecology of Infectious Diseases, Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Institute of Bioinformatics, University of Georgia, Athens, Georgia, United States of America
| | - Christina A. Ahlstrom
- U.S. Geological Survey, Alaska Science Center, Anchorage, Alaska, United States of America
| | - Andrew B. Reeves
- U.S. Geological Survey, Alaska Science Center, Anchorage, Alaska, United States of America
- U.S. Geological Survey, National Wildlife Health Center, Madison, Wisconsin, United States of America
| | - Rebecca L. Poulson
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America
| | - Jeffery D. Sullivan
- U.S. Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, United States of America
| | - Daniel McAuley
- U.S. Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, United States of America
| | - Carl R. Callahan
- U.S. Fish and Wildlife Service, Chesapeake Bay Field Office, Annapolis, Maryland, United States of America
| | - Peter C. McGowan
- U.S. Fish and Wildlife Service, Chesapeake Bay Field Office, Annapolis, Maryland, United States of America
| | - Justin Bahl
- Center for Ecology of Infectious Diseases, Department of Infectious Diseases, Department of Epidemiology and Biostatistics, Institute of Bioinformatics, University of Georgia, Athens, Georgia, United States of America
| | - David E. Stallknecht
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, United States of America
| | - Andrew M. Ramey
- U.S. Geological Survey, Alaska Science Center, Anchorage, Alaska, United States of America
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Reassortment and Persistence of Influenza A Viruses from Diverse Geographic Origins within Australian Wild Birds: Evidence from a Small, Isolated Population of Ruddy Turnstones. J Virol 2021; 95:JVI.02193-20. [PMID: 33627387 DOI: 10.1128/jvi.02193-20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/10/2021] [Indexed: 12/28/2022] Open
Abstract
Australian lineages of avian influenza A viruses (AIVs) are thought to be phylogenetically distinct from those circulating in Eurasia and the Americas, suggesting the circulation of endemic viruses seeded by occasional introductions from other regions. However, processes underlying the introduction, evolution and maintenance of AIVs in Australia remain poorly understood. Waders (order Charadriiformes, family Scolopacidae) may play a unique role in the ecology and evolution of AIVs, particularly in Australia, where ducks, geese, and swans (order Anseriformes, family Anatidae) rarely undertake intercontinental migrations. Across a 5-year surveillance period (2011 to 2015), ruddy turnstones (Arenaria interpres) that "overwinter" during the Austral summer in southeastern Australia showed generally low levels of AIV prevalence (0 to 2%). However, in March 2014, we detected AIVs in 32% (95% confidence interval [CI], 25 to 39%) of individuals in a small, low-density, island population 90 km from the Australian mainland. This epizootic comprised three distinct AIV genotypes, each of which represent a unique reassortment of Australian-, recently introduced Eurasian-, and recently introduced American-lineage gene segments. Strikingly, the Australian-lineage gene segments showed high similarity to those of H10N7 viruses isolated in 2010 and 2012 from poultry outbreaks 900 to 1,500 km to the north. Together with the diverse geographic origins of the American and Eurasian gene segments, these findings suggest extensive circulation and reassortment of AIVs within Australian wild birds over vast geographic distances. Our findings indicate that long-term surveillance in waders may yield unique insights into AIV gene flow, especially in geographic regions like Oceania, where Anatidae species do not display regular inter- or intracontinental migration.IMPORTANCE High prevalence of avian influenza viruses (AIVs) was detected in a small, low-density, isolated population of ruddy turnstones in Australia. Analysis of these viruses revealed relatively recent introductions of viral gene segments from both Eurasia and North America, as well as long-term persistence of introduced gene segments in Australian wild birds. These data demonstrate that the flow of viruses into Australia may be more common than initially thought and that, once introduced, these AIVs have the potential to be maintained within the continent. These findings add to a growing body of evidence suggesting that Australian wild birds are unlikely to be ecologically isolated from the highly pathogenic H5Nx viruses circulating among wild birds throughout the Northern Hemisphere.
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Ramey AM, DeLiberto TJ, Berhane Y, Swayne DE, Stallknecht DE. Lessons learned from research and surveillance directed at highly pathogenic influenza A viruses in wild birds inhabiting North America. Virology 2018; 518:55-63. [PMID: 29453059 DOI: 10.1016/j.virol.2018.02.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 01/29/2018] [Accepted: 02/02/2018] [Indexed: 11/19/2022]
Abstract
Following detections of highly pathogenic (HP) influenza A viruses (IAVs) in wild birds inhabiting East Asia after the turn of the millennium, the intensity of sampling of wild birds for IAVs increased throughout much of North America. The objectives for many research and surveillance efforts were directed towards detecting Eurasian origin HP IAVs and understanding the potential of such viruses to be maintained and dispersed by wild birds. In this review, we highlight five important lessons learned from research and surveillance directed at HP IAVs in wild birds inhabiting North America: (1) Wild birds may disperse IAVs between North America and adjacent regions via migration, (2) HP IAVs can be introduced to wild birds in North America, (3) HP IAVs may cross the wild bird-poultry interface in North America, (4) The probability of encountering and detecting a specific virus may be low, and (5) Population immunity of wild birds may influence HP IAV outbreaks in North America. We review empirical support derived from research and surveillance efforts for each lesson learned and, furthermore, identify implications for future surveillance efforts, biosecurity, and population health. We conclude our review by identifying five additional areas in which we think future mechanistic research relative to IAVs in wild birds in North America are likely to lead to other important lessons learned in the years ahead.
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Affiliation(s)
- Andrew M Ramey
- US Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, USA.
| | - Thomas J DeLiberto
- National Wildlife Disease Program, Wildlife Services, Animal and Plant Health Inspection Service, US Department of Agriculture, Fort Collins, CO 80521, USA
| | - Yohannes Berhane
- Canadian Food Inspection Agency, National Centre for Foreign Animal Disease, Winnipeg, Manitoba, Canada R3E 3M4; Department of Animal Science, University of Manitoba, Winnipeg, Canada
| | - David E Swayne
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, Agricultural Research Service, U.S. Department of Agriculture, Athens, GA, USA
| | - David E Stallknecht
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
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Hurst CJ. Of Ducks and Men: Ecology and Evolution of a Zoonotic Pathogen in a Wild Reservoir Host. MODELING THE TRANSMISSION AND PREVENTION OF INFECTIOUS DISEASE 2017. [PMCID: PMC7123570 DOI: 10.1007/978-3-319-60616-3_9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A hallmark of disease is that most pathogens are able to infect more than one host species. However, for most pathogens, we still have a limited understanding of how this affects epidemiology, persistence and virulence of infections—including several zoonotic pathogens that reside in wild animal reservoirs and spillover into humans. In this chapter, we review the current knowledge of mallard (Anas platyrhynchos) as host for pathogens. This species is widely distributed, often occupying habitats close to humans and livestock, and is an important game bird species and the ancestor to domestic ducks—thereby being an excellent model species to highlight aspects of the wildlife, domestic animal interface and the relevance for human health. We discuss mallard as host for a range of pathogens but focus more in depth of it as a reservoir host for influenza A virus (IAV). Over the last decades, IAV research has surged, prompted in part to the genesis and spread of highly pathogenic virus variants that have been devastating to domestic poultry and caused a number of human spillover infections. The aim of this chapter is to synthesise and review the intricate interactions of virus, host and environmental factors governing IAV epidemiology and evolution.
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McCoy KD, Dietrich M, Jaeger A, Wilkinson DA, Bastien M, Lagadec E, Boulinier T, Pascalis H, Tortosa P, Le Corre M, Dellagi K, Lebarbenchon C. The role of seabirds of the Iles Eparses as reservoirs and disseminators of parasites and pathogens. ACTA OECOLOGICA (MONTROUGE, FRANCE) 2016; 72:98-109. [PMID: 32288503 PMCID: PMC7128210 DOI: 10.1016/j.actao.2015.12.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 12/30/2015] [Accepted: 12/30/2015] [Indexed: 11/30/2022]
Abstract
The role of birds as reservoirs and disseminators of parasites and pathogens has received much attention over the past several years due to their high vagility. Seabirds are particularly interesting hosts in this respect. In addition to incredible long-distance movements during migration, foraging and prospecting, these birds are long-lived, site faithful and breed in dense aggregations in specific colony locations. These different characteristics can favor both the local maintenance and large-scale dissemination of parasites and pathogens. The Iles Eparses provide breeding and feeding grounds for more than 3 million breeding pairs of seabirds including at least 13 species. Breeding colonies on these islands are relatively undisturbed by human activities and represent natural metapopulations in which seabird population dynamics, movement and dispersal can be studied in relation to that of circulating parasites and pathogens. In this review, we summarize previous knowledge and recently-acquired data on the parasites and pathogens found in association with seabirds of the Iles Eparses. These studies have revealed the presence of a rich diversity of infectious agents (viruses, bacteria and parasites) carried by the birds and/or their local ectoparasites (ticks and louse flies). Many of these agents are widespread and found in other ecosystems confirming a role for seabirds in their large scale dissemination and maintenance. The heterogeneous distribution of parasites and infectious agents among islands and seabird species suggests that relatively independent metacommunities of interacting species may exist within the western Indian Ocean. In this context, we discuss how the patterns and determinants of seabird movements may alter parasite and pathogen circulation. We conclude by outlining key aspects for future research given the baseline data now available and current concerns in eco-epidemiology and biodiversity conservation.
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Affiliation(s)
- Karen D. McCoy
- MIVEGEC (Maladies Infectieuses et Vecteurs: Evolution, Génétique, Ecologie, Contrôle) UMR 5290 CNRS-IRD-Université de Montpellier, Centre IRD, 34393 Montpellier, France
| | - Muriel Dietrich
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
| | - Audrey Jaeger
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR ENTROPIE, Université de la Réunion-IRD-CNRS, CS92003, 97744 Saint Denis, Reunion Island, France
| | - David A. Wilkinson
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
| | - Matthieu Bastien
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
| | - Erwan Lagadec
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
| | - Thierry Boulinier
- Centre d'Ecologie Fonctionnelle et Evolutive, CNRS-Université de Montpellier UMR 5175, 34293 Montpellier, France
| | - Hervé Pascalis
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
| | - Pablo Tortosa
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
| | - Matthieu Le Corre
- UMR ENTROPIE, Université de la Réunion-IRD-CNRS, CS92003, 97744 Saint Denis, Reunion Island, France
| | - Koussay Dellagi
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
| | - Camille Lebarbenchon
- CRVOI (Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien), 97490 Sainte Clotilde, Reunion Island, France
- UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), Université de La Réunion, INSERM 1187, CNRS 9192, IRD 249, 97490 Sainte Clotilde, Reunion Island, France
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Lang AS, Lebarbenchon C, Ramey AM, Robertson GJ, Waldenström J, Wille M. Assessing the Role of Seabirds in the Ecology of Influenza A Viruses. Avian Dis 2016; 60:378-86. [DOI: 10.1637/11135-050815-regr] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Andrew S. Lang
- Department of Biology, Memorial University, St. John’s, NL, A1B 3X9, Canada
| | - Camille Lebarbenchon
- Université de La Réunion, UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), INSERM 1187, CNRS 9192, IRD 249, Saint Denis, Reunion Island
| | - Andrew M. Ramey
- U.S. Geological Survey Alaska Science Center, 4210 University Drive, Anchorage, AK 99508
| | - Gregory J. Robertson
- Wildlife Research Division, Environment Canada, 6 Bruce St., Mount Pearl, NL, A1N 4T3, Canada
| | - Jonas Waldenström
- Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, SE-391 82 Kalmar, Sweden
| | - Michelle Wille
- Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, SE-391 82 Kalmar, Sweden
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Influenza A virus on oceanic islands: host and viral diversity in seabirds in the Western Indian Ocean. PLoS Pathog 2015; 11:e1004925. [PMID: 25996394 PMCID: PMC4440776 DOI: 10.1371/journal.ppat.1004925] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 04/30/2015] [Indexed: 11/19/2022] Open
Abstract
Ducks and seabirds are natural hosts for influenza A viruses (IAV). On oceanic islands, the ecology of IAV could be affected by the relative diversity, abundance and density of seabirds and ducks. Seabirds are the most abundant and widespread avifauna in the Western Indian Ocean and, in this region, oceanic islands represent major breeding sites for a large diversity of potential IAV host species. Based on serological assays, we assessed the host range of IAV and the virus subtype diversity in terns of the islands of the Western Indian Ocean. We further investigated the spatial variation in virus transmission patterns between islands and identified the origin of circulating viruses using a molecular approach. Our findings indicate that terns represent a major host for IAV on oceanic islands, not only for seabird-related virus subtypes such as H16, but also for those commonly isolated in wild and domestic ducks (H3, H6, H9, H12 subtypes). We also identified strong species-associated variation in virus exposure that may be associated to differences in the ecology and behaviour of terns. We discuss the role of tern migrations in the spread of viruses to and between oceanic islands, in particular for the H2 and H9 IAV subtypes.
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Ramey AM, Walther P, Link P, Poulson RL, Wilcox BR, Newsome G, Spackman E, Brown JD, Stallknecht DE. Optimizing Surveillance for South American Origin Influenza A Viruses Along the United States Gulf Coast Through Genomic Characterization of Isolates from Blue-winged Teal (Anas discors). Transbound Emerg Dis 2014; 63:194-202. [PMID: 25056712 DOI: 10.1111/tbed.12244] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Indexed: 11/27/2022]
Abstract
Relative to research focused on inter-continental viral exchange between Eurasia and North America, less attention has been directed towards understanding the redistribution of influenza A viruses (IAVs) by wild birds between North America and South America. In this study, we genomically characterized 45 viruses isolated from blue-winged teal (Anas discors) along the Texas and Louisiana Gulf Coast during March of 2012 and 2013, coincident with northward migration of this species from Neotropical wintering areas to breeding grounds in the United States and Canada. No evidence of South American lineage genes was detected in IAVs isolated from blue-winged teal supporting restricted viral gene flow between the United States and southern South America. However, it is plausible that blue-winged teal redistribute IAVs between North American breeding grounds and wintering areas throughout the Neotropics, including northern South America, and that viral gene flow is limited by geographical barriers further south (e.g., the Amazon Basin). Surveillance for the introduction of IAVs from Central America and northern South America into the United States may be further optimized through genomic characterization of viruses resulting from coordinated, concurrent sampling efforts targeting blue-winged teal and sympatric species throughout the Neotropics and along the United States Gulf Coast.
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Affiliation(s)
- A M Ramey
- US Geological Survey, Alaska Science Center, Anchorage, AK, USA.,Department of Population Health, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA, USA
| | - P Walther
- US Fish and Wildlife Service, Texas Chenier Plain Refuge Complex, Anahuac, TX, USA
| | - P Link
- Louisiana Department of Wildlife and Fisheries, Baton Rouge, LA, USA
| | - R L Poulson
- Department of Population Health, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA, USA
| | - B R Wilcox
- Department of Population Health, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA, USA
| | - G Newsome
- City of Beaumont Wastewater Treatment Plant, Beaumont, TX, USA
| | - E Spackman
- Southeast Poultry Research Laboratory, US Department of Agriculture, Agriculture Research Service, Athens, GA, USA
| | - J D Brown
- Department of Population Health, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA, USA
| | - D E Stallknecht
- Department of Population Health, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA, USA
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