Mycobacterium pseudoshottsii Isolated from 24 Farmed Fishes in Western Japan

Kazue NAKANAGA; Yoshihiko HOSHINO; Yoko HATTORI; Atsushi YAMAMOTO; Shinpei WADA; Kishio HATAI; Masahiko MAKINO; Norihisa ISHII

doi:10.1292/jvms.11-0226

Bacteriology

Mycobacterium pseudoshottsii Isolated from 24 Farmed Fishes in Western Japan

Kazue NAKANAGA, Yoshihiko HOSHINO, Yoko HATTORI, Atsushi YAMAMOTO, Shinpei WADA, Kishio HATAI, Masahiko MAKINO, Norihisa ISHII

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Keywords: lethal fish infection, Mycobacterium pseudoshottsii, mycolactone

JOURNAL FREE ACCESS

2012 Volume 74 Issue 2 Pages 275-278

DOI https://doi.org/10.1292/jvms.11-0226

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Abstract

Mycobacteria isolated from epizootics of farmed fishes in western Japan were examined for the first time using multigenotypic analysis. By analysis of the sequences of the internal transcribed spacer between the 16S and 23S rRNA genes (ITS) region and the partial 16S rRNA, hsp65 and rpoB genes, M. pseudoshottsii was identified as the causative agent in these infections. Prior to this study, only M. marinum has been known as the causative agent of lethal mycobacterial disease in marine fishes in Japan.

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