ArticleVeterinary microbiology2013
Characterization of recombinant H9N2 influenza viruses isolated from wild ducks in China.
Article in Veterinary microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 17 citations in OpenAlex.
- Genetic characterization and whole-genome sequencing-based genetic analysis of influenza virus in Jining City during 2021-2022.Frontiers in microbiology · 2023Article
- Current situation and control strategies of H9N2 avian influenza in South Korea.Journal of veterinary science · 2023Review
- Molecular characterization, receptor binding property, and replication in chickens and mice of H9N2 avian influenza viruses isolated from chickens, peafowls, and wild birds in eastern China.Emerging microbes & infections · 2021Article
- Antiviral activity of diallyl trisulfide against H9N2 avian influenza virus infection in vitro and in vivo.Virology journal · 2021Article
- Phylogenetic Analysis of Hemagglutinin Gene and Evaluation of the Viral Shedding of H9N2 Avian Influenza Viruses Using Real-time RT-PCR in SPF Chickens.Archives of Razi Institute · 2020Article
- Co-circulation of multiple reassortant H6 subtype avian influenza viruses in wild birds in eastern China, 2016-2017.Virology journal · 2020Article
- Full-genome characterization and genetic analysis of a H9N2 virus in commercial broilers in Iran, 2017.Tropical animal health and production · 2019Article
- Effects of calcitriol (1, 25-dihydroxy-vitamin D3) on the inflammatory response induced by H9N2 influenza virus infection in human lung A549 epithelial cells and in mice.Virology journal · 2017Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
Abstract
Wild birds are considered to be the natural reservoirs for avian influenza A viruses (AIV). During active influenza surveillance in Poyang Lake of southeast China, we isolated and characterized 11 H9N2 viruses from two species of wild ducks. Phylogenetic analysis showed that the 11 isolates were almost identical with 99.3-100% nucleotide homology in their entire genome, and they all closely related in whole eight genes (95.6-99.4% homology) to human H9N2 isolates (HK/33982/2009) and clustered in the same sublineage. The isolates belonged to triple reassortant H9N2 genotype viruses containing Ck/Bei-like NA genes, Y439-like PA genes and six other G1-like genes. We also found that the subtype of virus replicated efficiently in the lungs and tracheas of BALB/c mice and caused mortality in 20-40% of infected groups after 3-6 days, which indicates that the subtype of virus is capable of establishing lethal mammalian infections. However, whether or not the virus has features transmittable from wild ducks to humans is not known. This study showed H9N2 subtype avian influenza virus for the first time in wild birds, and suggests that wild birds may carry the virus along migratory routes, highlighting the need for continued surveillance of wild birds.
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