globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12629
Scopus记录号: 2-s2.0-84978032858
论文题名:
Transmission of influenza reflects seasonality of wild birds across the annual cycle
作者: Hill N.J.; Ma E.J.; Meixell B.W.; Lindberg M.S.; Boyce W.M.; Runstadler J.A.
刊名: Ecology letters
ISSN: 14610248
EISSN: 1461-0248
出版年: 2016
卷: 19, 期:8
起始页码: 915
结束页码: 925
语种: 英语
英文关键词: Avian influenza ; biological rhythms ; bird migration ; host contact structure ; influenza A virus ; migratory cycle ; seasonality ; transmission networks ; viral flow ; zoonotic disease
Scopus关键词: virus RNA ; animal ; avian influenza ; Influenza A virus ; North America ; physiology ; population migration ; season ; time factor ; transmission ; virology ; waterfowl ; wild animal ; Animal Migration ; Animals ; Animals, Wild ; Anseriformes ; Influenza A virus ; Influenza in Birds ; North America ; RNA, Viral ; Seasons ; Time Factors ; Aves ; Influenza A virus
英文摘要: Influenza A Viruses (IAV) in nature must overcome shifting transmission barriers caused by the mobility of their primary host, migratory wild birds, that change throughout the annual cycle. Using a phylogenetic network of viral sequences from North American wild birds (2008-2011) we demonstrate a shift from intraspecific to interspecific transmission that along with reassortment, allows IAV to achieve viral flow across successive seasons from summer to winter. Our study supports amplification of IAV during summer breeding seeded by overwintering virus persisting locally and virus introduced from a wide range of latitudes. As birds migrate from breeding sites to lower latitudes, they become involved in transmission networks with greater connectivity to other bird species, with interspecies transmission of reassortant viruses peaking during the winter. We propose that switching transmission dynamics may be a critical strategy for pathogens that infect mobile hosts inhabiting regions with strong seasonality. © 2016 John Wiley & Sons Ltd/CNRS.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107742
Appears in Collections:气候减缓与适应

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作者单位: Department of Biological Engineering and Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA; Department of Fisheries, Wildlife and Conservation Biology, University of Minnesota, St. Paul, MN, 55108, USA; U.S. Geological Survey, Alaska Science Center, Anchorage, AK, 99508, USA; Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, 99775, USA; Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, CA, 95616, USA

Recommended Citation:
Hill N.J.,Ma E.J.,Meixell B.W.,et al. Transmission of influenza reflects seasonality of wild birds across the annual cycle[J]. Ecology letters,2016-01-01,19(8)
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