doi:

DOI: 10.3724/SP.J.1231.2012.27674

Journal of Fisheries of China (水产学报) 2012/36:6 PP.937-943

Isolation, identification and pathogenicity of Vibrio chagasii from Patinopecten yessoensis


Abstract:
In recent years cultured sea scallop (Patinopecten yessoensis) dead on a large-scale in seas nearChanghai County, Dalian, China, in summer. The main symptom is the abscess on adductor muscle. Thetransmission experience was improved to indicate that a bacterium isolated from natural infected focus,named XJ02 displayed intense pathological activity to scallops, and the symptom is the same to naturalintention. The bacterium XJ02 identification test through morphological specificity, physical and chemicalproperties and 16S rRNA gene sequence analysis showed the bacterium is Vibrio chagasii. There has beenno any research on the pathogenicity of V. Chagasii. This article for the first time to find a more compre-hensive's vibrio physicochemical properties of research. The dose-and temperature-dependent test indi-cated that the bacterium had the most pathogenicity at 19 ℃ while the concentration was 1.09×10 5CFU/mL. The medicine sensitivity analysis that s to check Ampicillin, Benzylpenicillin, Ciproflxacin etc issensitive during 20 drugs sensitive test, to Tetracycline, Doxycycline is not sensitive element.

Key words:Patinopecten yessoensis,Vibrio chagasii,abscess

ReleaseDate:2015-04-19 11:22:22



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