Diversity, evolution and population dynamics of avian influenza viruses circulating in the live poultry markets in China.,Virology

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Diversity, evolution and population dynamics of avian influenza viruses circulating in the live poultry markets in China.
Virology ( IF 2.8 ) Pub Date : 2017-02-22 , DOI: 10.1016/j.virol.2017.02.009
Liang-Jun Chen ₁ , Xian-Dan Lin ₂ , Jun-Hua Tian ₃ , Yong Liao ₄ , Xu-Hua Ying ₅ , Jian-Wei Shao ₆ , Bin Yu ₃ , Jing-Jing Guo ₁ , Miao-Ruo Wang ₇ , Ying Peng ₃ , Mang Shi ₈ , Edward C Holmes ₈ , Zhan-Qiu Yang ₉ , Yong-Zhen Zhang ₁

Affiliation

State Key Laboratory of Virology/Institute of Medical Virology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China; State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, 102206 Beijing, China.
Wenzhou Center for Disease Control and Prevention, Wenzhou 325001, Zhejiang Province, China.
Wuhan Center for Disease Control and Prevention, Wuhan 430015, Hubei Province, China.
Ganzhou Center for Disease Control and Prevention, Ganzhou 341000, Jiangxi Province, China.
Yuhuan Center for Disease Control and Prevention, Yuhuan 317600, Zhejiang Province, China.
State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, 102206 Beijing, China.
Longquan Center for Disease Control and Prevention, Longquan, Zhejiang Province, China.
State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, 102206 Beijing, China; Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia.
State Key Laboratory of Virology/Institute of Medical Virology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China.

Live poultry markets (LPMs) are an important source of novel avian influenza viruses (AIV). During 2015-2016 we surveyed AIV diversity in ten LPMs in Hubei, Zhejiang and Jiangxi provinces, China. A high diversity and prevalence of AIVs (totaling 12 subtypes) was observed in LPMs in these provinces. Strikingly, however, the subtypes discovered during 2015-2016 were markedly different to those reported by us in these same localities one year previously, suggesting a dynamic shift in viral genetic diversity over the course of a single year. Phylogenetic analyses revealed frequent reassortment, including between high and low pathogenic AIV subtypes and among those that circulate in domestic and wild birds. Notably, the novel H5N6 reassortant virus, which contains a set of H9N2-like internal genes, was prevalent in all three regions surveyed. Overall, these data highlight the profound changes in genetic diversity and in patterns of reassortment in those AIVs that circulate in LPMs.

更新日期：2017-02-20

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