Detection of avian-like rotavirus A VP4 from a calf in Japan

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  • MITAKE Hiromichi
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan
  • ITO Naoto
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan Laboratory of Zoonotic Diseases, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501-1193, Japan
  • OKADERA Kota
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan
  • OKADA Kazuma
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan
  • NAKAGAWA Kento
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan
  • TANAKA Tomomi
    Fukui Prefectural Livestock Hygiene Service Center, 69–10–1 Obatake, Fukui, Fukui 918-8226, Japan
  • KATSURAGI Kiyohito
    Fukui Prefectural Livestock Hygiene Service Center, 69–10–1 Obatake, Fukui, Fukui 918-8226, Japan
  • KASAHARA Kasumi
    Fukui Prefectural Livestock Hygiene Service Center, 69–10–1 Obatake, Fukui, Fukui 918-8226, Japan
  • NIHONGI Toshihide
    Fukui Prefectural Livestock Hygiene Service Center, 69–10–1 Obatake, Fukui, Fukui 918-8226, Japan
  • TSUNEMITSU Hiroshi
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan Dairy Hygiene Research Division, National Institute of Animal Health, 4 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-0045, Japan
  • SUGIYAMA Makoto
    The United Graduate School of Veterinary Sciences, Gifu University, 1–1 Yanagido, Gifu, Gifu 501-1193, Japan Laboratory of Zoonotic Diseases, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501-1193, Japan

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  • Virology : Detection of avian-like rotavirus A VP4 from a calf in Japan

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Abstract

A total of 568 normal feces from calves on a beef farm in Fukui Prefecture, Japan, in 2011–2012 were examined by RT-semi-nested PCR for rotavirus A (RVA) VP4 genes. Through partial sequencing and BLAST analyses of 84 VP4-positive specimens, we identified an avian-like RVA strain, N2342, which shares highest nucleotide identity (80.0%) with known avian-like bovine strain 993/83, in one specimen. Phylogenetic analysis also revealed a close genetic relationship between N2342 and avian RVAs, suggesting bird-to-cattle transmission. We observed frequent contact of wild birds with calves in the farm, suggesting that these birds were the source of the virus.

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