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Arch Virol. 2016 Dec;161(12):3541-3548. Epub 2016 Sep 12.

Identification of further diversity among posaviruses.

Author information

1
Research and Education Center for Prevention of Global Infectious Disease of Animal, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509, Japan.
2
Kurayoshi Livestock Hygiene Service Center, Kurayoshi, Tottori, 683-0017, Japan.
3
Rokko Livestock Hygiene Service Center, Hokota, Ibaraki, 311-1593, Japan.
4
Ishikawa Nanbu Livestock Hygiene Service Center, Kanazawa, Ishikawa, 920-3101, Japan.
5
Tochigi Prefectural South District Animal Hygiene Service Center, Tochigi, Tochigi, 328-0002, Japan.
6
Department of Virology II, National Institute of Infectious Diseases, Musashimurayama, Tokyo, 208-0011, Japan.
7
Department of Bioproduction Science, Ishikawa Prefectural University, Nonoichi, Ishikawa, 921-8836, Japan.
8
Kenhoku Livestock Hygiene Service Center, Mito, Ibaraki, 310-0002, Japan.
9
Research and Education Center for Prevention of Global Infectious Disease of Animal, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509, Japan. m-nagai@ishikawa-pu.ac.jp.
10
Department of Bioproduction Science, Ishikawa Prefectural University, Nonoichi, Ishikawa, 921-8836, Japan. m-nagai@ishikawa-pu.ac.jp.

Abstract

Recently, there have been reports of new members of posavirus-like viruses in the order Picornavirales. In this study, using a metagenomics approach, 11 posavirus-like sequences (>7,000 nucleotides) were detected in 155 porcine fecal samples. Phylogenetic analysis revealed that the newly identified virus sequences, together with other posavirus-like viruses, form distinct clusters within the order Picornavirales, composed of eight genogroups and unassigned sequences based on amino acid sequences of the helicase and RNA-dependent RNA polymerase regions, with <40 % and <50 % sequence identity, respectively. We propose further classifications of highly diverse posavirus populations based on newly identified sequences from Japanese pig feces.

KEYWORDS:

Japan; Porcine feces; Posavirus; Sequence diversity

PMID:
27619795
DOI:
10.1007/s00705-016-3048-8
[Indexed for MEDLINE]

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