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Genetic analysis and pathogenicity of betanodavirus isolated from wild redspotted grouper Epinephelus akaara with clinical signs

Cited 23 time in Web of Science Cited 23 time in Scopus
Authors

Gomez, Dennis K.; Matsuoka, Satoru; Mori, Koh-ichiro; Okinaka, Yasushi; Park, Se Chang; Nakai, Toshihiro

Issue Date
2009-02
Publisher
Springer Verlag
Citation
Archives of Virology, Vol.154 No.2, pp.343-346
Abstract
Diseased wild redspotted grouper Epinephelus akaara were collected from Seto Inland Sea, Ehime Prefecture, in August 2002. Fish showed erratic swimming behavior and inflation of the swim bladder. The fish brains were positive for nodavirus in both RT-PCR and nested PCR. The sequence of the nested PCR product (177 nt) was closely related to that of a known betanodavirus, redspotted grouper nervous necrosis virus. When juvenile sevenband grouper E. septemfasciatus were challenged intravitreously with virus, abnormal swimming behavior and high mortality were observed. This is the first report on viral nervous necrosis in a wild population of redspotted grouper with clinical signs.
ISSN
0304-8608
URI
https://hdl.handle.net/10371/190779
DOI
https://doi.org/10.1007/s00705-008-0305-5
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  • College of Veterinary Medicine
  • Department of Veterinary Medicine
Research Area Bacteriophage Therapy, Veterinary Medicine, Veterinary Microbiology

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