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Phylogenetic variations of highly pathogenic H5N6 avian influenza viruses isolated from wild birds in the Izumi plain, Japan, during the 2016-17 winter season.
Ozawa, Makoto; Matsuu, Aya; Khalil, Ahmed Magdy; Nishi, Natsuko; Tokorozaki, Kaori; Masatani, Tatsunori; Horie, Masayuki; Okuya, Kosuke; Ueno, Kosei; Kuwahara, Masakazu; Toda, Shigehisa.
Afiliación
  • Ozawa M; Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Kagoshima, Japan.
  • Matsuu A; Transboundary Animal Diseases Research Center, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Kagoshima, Japan.
  • Khalil AM; United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Yamaguchi, Japan.
  • Nishi N; Transboundary Animal Diseases Research Center, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Kagoshima, Japan.
  • Tokorozaki K; United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Yamaguchi, Japan.
  • Masatani T; Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Kagoshima, Japan.
  • Horie M; United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Yamaguchi, Japan.
  • Okuya K; Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Kagoshima, Japan.
  • Ueno K; Kagoshima Crane Conservation Committee, Izumi, Kagoshima, Japan.
  • Kuwahara M; Transboundary Animal Diseases Research Center, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Kagoshima, Japan.
  • Toda S; United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Yamaguchi, Japan.
Transbound Emerg Dis ; 66(2): 797-806, 2019 Mar.
Article en En | MEDLINE | ID: mdl-30499632
During the 2016-2017 winter season, we isolated 33 highly pathogenic avian influenza viruses (HPAIVs) of H5N6 subtype and three low pathogenic avian influenza viruses (LPAIVs) from debilitated or dead wild birds, duck faeces, and environmental water samples collected in the Izumi plain, an overwintering site for migratory birds in Japan. Genetic analyses of the H5N6 HPAIV isolates revealed previously unreported phylogenetic variations in the PB2, PB1, PA, and NS gene segments and allowed us to propose two novel genotypes for the contemporary H5N6 HPAIVs. In addition, analysis of the four gene segments identified close phylogenetic relationships between our three LPAIV isolates and the contemporary H5N6 HPAIV isolates. Our results implied the co-circulation and co-evolution of HPAIVs and LPAIVs within the same wild bird populations, thereby highlighting the importance of avian influenza surveillance targeting not only for HPAIVs but also for LPAIVs.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Virus de la Influenza A / Aves / Genoma Viral / Gripe Aviar / Genotipo Límite: Animals País/Región como asunto: Asia Idioma: En Revista: Transbound Emerg Dis Asunto de la revista: MEDICINA VETERINARIA Año: 2019 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Virus de la Influenza A / Aves / Genoma Viral / Gripe Aviar / Genotipo Límite: Animals País/Región como asunto: Asia Idioma: En Revista: Transbound Emerg Dis Asunto de la revista: MEDICINA VETERINARIA Año: 2019 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Alemania