期刊
MARINE POLLUTION BULLETIN
卷 131, 期 -, 页码 757-762出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2018.05.007
关键词
Antimicrobial susceptibility; Exoenzymes; Virulence; Oysters
资金
- Research Support Foundation of Bahia State/PRO-SAI-JDE of Sao Francisco do Conde [FAPESB] [PET0008/2010]
- Higher Education Personnel Improvement Coordination [CAPES/PNPD] [28022017]
The aim of the present study was to verify the antimicrobial susceptibility profile and virulence factors of Vibrio parahaemolyticus isolated from water and bivalve mollusks. A high percentage of V. parahaemolyticus was isolated in natura, processed bivalves tissues, and surrounding water (75%, 20%, and 59%, respectively). The most potential virulence phenotype in V. parahaemolyticus isolates was amylase production (97%) followed by DNase (83%), phospholipase (70%), beta-hemolytic activity (57%). The tdh and trh genes were not detected. Besides, a high antimicrobial resistance was observed for ampicillin (97%), minimum inhibitory concentration [MIC] = 400 mu g and cephalothin (93%, MIC s 100 mu g). The absence of expression of tdh and trh virulence genes excluded the toxigenic potential of V. parahaemolyticus isolates; however, the high prevalence of antimicrobial resistance among the environmental strains is a risk to human health.
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