Vibrio harveyi is a pathogenic bacteria associated with vibriosis that is a common disease in marine aquaculture systems. Classified as generally recognized as safe (GRAS) strain of Korean fermented food, 34 strains were isolated from many Jeotgals (salted fish). Also 18 strains were isolated from the gut of Portunus trituberculatus. Growth inhibition assay showed that CFS (Cell-free supernatants) from the 24-h culture of these strains and competition by each microbe were able to inhibit the growth of Vibrio harveyi. The aim of this study is to control the water environment for culturing larvae of marine animals like the swimming crab and shrimp, using microorganisms. At present, experiments are being performed using 52 strains from Jeotgals and the gut of Portunus trituberculatus. We anticipate that it is possible that some bacterial strains will be effective for use a biological control agents in marine aquaculture systems.
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
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