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논문 기본 정보

자료유형
학술저널
저자정보
Myoung-Sug KIM (국립수산과학원) Ji-Woong JIN (한국수산자원관리공단) Sung-Hee JUNG (국립수산과학원) Jung-Soo SEO (국립수산과학원) Suhee HONG (국립강릉원주대학교)
저널정보
한국수산해양교육학회 수산해양교육연구 수산해양교육연구 제27권 제5호 (통권 제77호)
발행연도
2015.10
수록면
1,508 - 1,521 (14page)

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초록· 키워드

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Vibrio harveyi is a pathogenic marine bacterium causing systemic symptoms resulting in mass mortalities in fishes and shrimps in aquaculture. Outer membrane proteins(OMPs) are related to the pathogenicity and thus good targets for diagnosis and vaccination for Gram negative bacteria. Recently vaccination strategies using the OMPs have been suggested to control vibriosis in several fish species. In this study, we have isolated V. harveyi from diseased marine fishes from different regions of Korea and investigated genetic variations of four OMP genes including OmpK, OmpU, OmpV and OmpW. Consequently, OmpK and U genes could be divided into 3 subgroups of type I, II, III and type A, B, C, respectively, without any correlation with geographical regions and species while OmpV and W were highly homologous. OmpW gene of V. harveyi FP4138 was fully sequenced and predicted the deduced amino acid sequence to form β-barrel with hydrophobic channel. Indeed, the immunogenicity of recombinant OmpW produced in Escherichia coli was assessed by vaccinating flounder. As a result, the high antibody response with antibody titer of 4.2±0.7 and protection with relative percent survival of 60% against artificial infection of V. harveyi were demonstrated. This result indicates that OmpW is a virulence related factor and it can be a vaccine candidate to prevent a high mortality caused by V. harveyi infection in olive flounder, Paralichthys olivaceus.

목차

Abstract
Ⅰ. Introduction
Ⅱ. Materials and methods
Ⅲ. Results and Discussion
References

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