Genetic Analysis of a Novel H16N3 Virus Isolated from a Migratory Gull in China in 2021 and Animal Studies of Infection
文献类型: 外文期刊
作者: Wang, Yanwen;Zhang, Hong;Wang, Mengjing;Guo, Jing;Zhao, Conghui;Cui, Pengfei;Deng, Guohua;Chu, Dong;Shen, Jinyan;Sun, Xiaohong;Gao, Xinxin;Li, Yubao;Liu, Wenqiang;Peng, Peng;Li, Xuyong
作者机构:
关键词: avian influenza viruses;mice;poultry;wild birds
期刊名称: MICROBIOLOGY SPECTRUM
ISSN: 2165-0497
年卷期: 2023 年
页码:
收录情况: SCIE(2022版)
摘要: Migratory wild birds are natural reservoirs of H16 viruses and play a key role in the global prevalence of these viruses. Here, we found that H16 viruses predominantly circulate in migratory gulls and that the gull H16N3 virus cannot replicate efficiently in chickens, ducks, or mice without prior adaptation. These findings contribute to our understanding of the ecology, evolution, and biological properties of H16 viruses and will guide avian influenza surveillance in birds. H16 avian influenza viruses mainly circulate in wild migratory gulls worldwide, and the infection risks in poultry and mammals remain largely unknown. In this study, we isolated a novel H16N3 virus from migratory gulls in eastern China in 2021. Genetic analysis indicated that the H16N3 virus originated from the H16 and H13 viruses that circulated in wild birds. This H16N3 virus has not adapted to replicate in chickens, ducks, or mice, although it can be transmitted between inoculated and contacted birds. The circulation of H16Nx viruses in the Northern Hemisphere indicates that we should strengthen active surveillance to monitor their prevalence and evolution in migratory gulls and their introduction into other migratory and domestic waterfowl. IMPORTANCE Migratory wild birds are natural reservoirs of H16 viruses and play a key role in the global prevalence of these viruses. Here, we found that H16 viruses predominantly circulate in migratory gulls and that the gull H16N3 virus cannot replicate efficiently in chickens, ducks, or mice without prior adaptation. These findings contribute to our understanding of the ecology, evolution, and biological properties of H16 viruses and will guide avian influenza surveillance in birds.
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