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An approach for genogrouping of Japanese isolates of aquabirnaviruses in a new genogroup, VII, based on the VP2/NS junction region

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Title: An approach for genogrouping of Japanese isolates of aquabirnaviruses in a new genogroup, VII, based on the VP2/NS junction region
Authors: Nishizawa, Toyohiko1 Browse this author →KAKEN DB
Kinoshita, Shinichi Browse this author
Yoshimizu, Mamoru Browse this author →KAKEN DB
Authors(alt): 西澤, 豊彦1
Issue Date: 1-Aug-2005
Publisher: Society for General Microbiology
Journal Title: Journal of General Virology
Volume: 86
Start Page: 1973
End Page: 1978
Publisher DOI: 10.1099/vir.0.80438-0
PMID: 15958676
Abstract: Aquabirnaviruses, represented by Infectious pancreatic necrosis virus (IPNV), have been isolated from epizootics in salmonids and a variety of aquatic animals in the world; six genogroups of aquabirnaviruses have been identified. In comparisons of nucleotide sequences of the VP2/NS junction region, maximum nucleotide diversities of 30·8 % were observed among 93 worldwide aquabirnavirus isolates. A phylogenetic tree revealed the existence of a new genogroup, VII, for Japanese aquabirnavirus isolates from marine fish and molluscan shellfish. Nucleotide diversities between genogroups VII and I–VI were 18·7 % or greater. At the nucleotide level, Japanese IPNV isolates from epizootics in salmonids were nearly identical to a genogroup I strain from the USA or Canada. It is suggested that Japanese IPNV isolates belonging to genogroup I were originally introduced from North American sources, whereas Japanese aquabirnavirus isolates of genogroup VII were from marine aquatic animals indigenous to Japan.
Type: article
URI: http://hdl.handle.net/2115/5795
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 西澤 豊彦

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