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Evolution and biological characteristics of H11 avian influenza viruses isolated from migratory birds and pigeons

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Title: Evolution and biological characteristics of H11 avian influenza viruses isolated from migratory birds and pigeons
Authors: Jinyan Shen, Hong Zhang, Xiaohong Sun, Yaping Zhang, Mengjing Wang, Mengdi Guan, Lili Liu, Wenxi Li, Hongke Xu, Yujiao Xie, Anran Ren, Fengyang Cao, Wenqiang Liu, Guohua Deng, Jing Guo, Xuyong Li
Source: Emerging Microbes and Infections, Vol 13, Iss 1 (2024)
Publisher Information: Taylor & Francis Group, 2024.
Publication Year: 2024
Collection: LCC:Infectious and parasitic diseases
LCC:Microbiology
Subject Terms: Avian influenza viruses, H11, migratory birds, epidemiology, poultry, Infectious and parasitic diseases, RC109-216, Microbiology, QR1-502
More Details: The emergence of novel avian influenza reassortants in wild birds in recent years is a public health concern. However, the viruses that circulate in migratory birds are not fully understood. In this study, we summarized and categorized global H11 avian influenza viruses and reported that waterfowl and shorebirds are the major reservoirs of the identified H11 viruses. The surveillance data of the 35,749 faecal samples collected from wild bird habitats in eastern China over the past seven years revealed a low prevalence of H11 viruses in birds, with a positive rate of 0.067% (24 isolates). The phylogenetic analysis of the twenty viruses indicated that H11 viruses have undergone complex reassortment with viruses circulating in waterfowl and shorebirds. These tested viruses do not acquire mammalian adaptive mutations in their genomes and preferentially bind to avian-type receptors. Experimental infection studies demonstrated that the two tested H11N9 viruses of wild bird origin replicated and transmitted more efficiently in ducks than in chickens, whereas the pigeon H11N2 virus isolated from a live poultry market was more adapted to replicate in chickens than in ducks. In addition, some H11 isolates replicated efficiently in mice and caused body weight loss but were not lethal. Our study revealed the role of waterfowl and shorebirds in the ecology and evolution of H11 viruses and the potential risk of introducing circulating H11 viruses into ducks or chickens, further emphasizing the importance of avian influenza surveillance at the interface of migratory birds and poultry.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 22221751
2222-1751
Relation: https://doaj.org/toc/2222-1751
DOI: 10.1080/22221751.2024.2398641
Access URL: https://doaj.org/article/5396ce46cf474a7da9c86c9f3595f3e6
Accession Number: edsdoj.5396ce46cf474a7da9c86c9f3595f3e6
Database: Directory of Open Access Journals
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  Data: Evolution and biological characteristics of H11 avian influenza viruses isolated from migratory birds and pigeons
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  Data: <searchLink fieldCode="AR" term="%22Jinyan+Shen%22">Jinyan Shen</searchLink><br /><searchLink fieldCode="AR" term="%22Hong+Zhang%22">Hong Zhang</searchLink><br /><searchLink fieldCode="AR" term="%22Xiaohong+Sun%22">Xiaohong Sun</searchLink><br /><searchLink fieldCode="AR" term="%22Yaping+Zhang%22">Yaping Zhang</searchLink><br /><searchLink fieldCode="AR" term="%22Mengjing+Wang%22">Mengjing Wang</searchLink><br /><searchLink fieldCode="AR" term="%22Mengdi+Guan%22">Mengdi Guan</searchLink><br /><searchLink fieldCode="AR" term="%22Lili+Liu%22">Lili Liu</searchLink><br /><searchLink fieldCode="AR" term="%22Wenxi+Li%22">Wenxi Li</searchLink><br /><searchLink fieldCode="AR" term="%22Hongke+Xu%22">Hongke Xu</searchLink><br /><searchLink fieldCode="AR" term="%22Yujiao+Xie%22">Yujiao Xie</searchLink><br /><searchLink fieldCode="AR" term="%22Anran+Ren%22">Anran Ren</searchLink><br /><searchLink fieldCode="AR" term="%22Fengyang+Cao%22">Fengyang Cao</searchLink><br /><searchLink fieldCode="AR" term="%22Wenqiang+Liu%22">Wenqiang Liu</searchLink><br /><searchLink fieldCode="AR" term="%22Guohua+Deng%22">Guohua Deng</searchLink><br /><searchLink fieldCode="AR" term="%22Jing+Guo%22">Jing Guo</searchLink><br /><searchLink fieldCode="AR" term="%22Xuyong+Li%22">Xuyong Li</searchLink>
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  Data: Emerging Microbes and Infections, Vol 13, Iss 1 (2024)
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  Data: Taylor & Francis Group, 2024.
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  Data: 2024
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  Data: LCC:Infectious and parasitic diseases<br />LCC:Microbiology
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  Data: <searchLink fieldCode="DE" term="%22Avian+influenza+viruses%22">Avian influenza viruses</searchLink><br /><searchLink fieldCode="DE" term="%22H11%22">H11</searchLink><br /><searchLink fieldCode="DE" term="%22migratory+birds%22">migratory birds</searchLink><br /><searchLink fieldCode="DE" term="%22epidemiology%22">epidemiology</searchLink><br /><searchLink fieldCode="DE" term="%22poultry%22">poultry</searchLink><br /><searchLink fieldCode="DE" term="%22Infectious+and+parasitic+diseases%22">Infectious and parasitic diseases</searchLink><br /><searchLink fieldCode="DE" term="%22RC109-216%22">RC109-216</searchLink><br /><searchLink fieldCode="DE" term="%22Microbiology%22">Microbiology</searchLink><br /><searchLink fieldCode="DE" term="%22QR1-502%22">QR1-502</searchLink>
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  Data: The emergence of novel avian influenza reassortants in wild birds in recent years is a public health concern. However, the viruses that circulate in migratory birds are not fully understood. In this study, we summarized and categorized global H11 avian influenza viruses and reported that waterfowl and shorebirds are the major reservoirs of the identified H11 viruses. The surveillance data of the 35,749 faecal samples collected from wild bird habitats in eastern China over the past seven years revealed a low prevalence of H11 viruses in birds, with a positive rate of 0.067% (24 isolates). The phylogenetic analysis of the twenty viruses indicated that H11 viruses have undergone complex reassortment with viruses circulating in waterfowl and shorebirds. These tested viruses do not acquire mammalian adaptive mutations in their genomes and preferentially bind to avian-type receptors. Experimental infection studies demonstrated that the two tested H11N9 viruses of wild bird origin replicated and transmitted more efficiently in ducks than in chickens, whereas the pigeon H11N2 virus isolated from a live poultry market was more adapted to replicate in chickens than in ducks. In addition, some H11 isolates replicated efficiently in mice and caused body weight loss but were not lethal. Our study revealed the role of waterfowl and shorebirds in the ecology and evolution of H11 viruses and the potential risk of introducing circulating H11 viruses into ducks or chickens, further emphasizing the importance of avian influenza surveillance at the interface of migratory birds and poultry.
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      – Text: English
    Subjects:
      – SubjectFull: Avian influenza viruses
        Type: general
      – SubjectFull: H11
        Type: general
      – SubjectFull: migratory birds
        Type: general
      – SubjectFull: epidemiology
        Type: general
      – SubjectFull: poultry
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