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Biological and Serological Characterization of a Non-gliding Strain of Tenacibaculum maritimum Isolated from a Diseased Puffer Fish Takifugu rubripes


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タイトル: Biological and Serological Characterization of a Non-gliding Strain of Tenacibaculum maritimum Isolated from a Diseased Puffer Fish Takifugu rubripes
著者: Rahman, Tanvir / Suga, Koushirou / Kanai, Kinya / Sugihara, Yukitaka
発行日: 2014年10月 2日
出版者: 日本魚病学会 / Japanese Society of Fish Pathology
引用: Fish Pathology, 49(3), pp.121-129; 2014
抄録: Tenacibaculum maritimum is a Gram-negative, gliding marine bacterium that causes tenacibaculosis, an ulcerative disease of marine fish. The bacterium usually forms rhizoid colonies on agar media. We isolated T. maritimum that formed slightly yellowish round compact colonies together with the usual rhizoid colonies from a puffer fish Takifugu rubripes suffering from tenacibaculosis, and studied the biological and serological characteristics of a representative isolate of the compact colony phenotype, designated strain NUF1129. The strain was non-gliding and avirulent in Japanese flounder Paralichthys olivaceus in immersion challenge test and showed lower adhesion ability to glass wall in shaking broth culture and to the body surface of flounder. It lacked a cell-surface antigen commonly detected in gliding strains of the bacterium in gel immunodiffusion tests. SDS-PAGE analysis showed different polypeptide banding patterns between NUF1129 and gliding strains. Like gliding strains, NUF1129 exhibited both chondroitinase and gelatinase activities, which are potential virulence factors of the bacterium. These results suggest that some cell-surface components related to gliding and adhesion ability are implicated in the virulence of T. maritimum.
キーワード: Adherence / Cell-surface antigen / Non-gliding / Tenacibaculosis / Tenacibaculum maritimum / Virulence
URI: http://hdl.handle.net/10069/35107
ISSN: 0388788X
DOI: 10.3147/jsfp.49.121
権利: © 2014 日本魚病学会
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:080 学術雑誌論文

引用URI : http://hdl.handle.net/10069/35107

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