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영어

Bacteria of genus Vibrio are gram-negative, curved, halophilic, nonsporeforming bacteria, autochthonous inhabitans of the marine and estuarine environments. Some of the Vibrio species such as V. parahaemolyticus, V. vulnificus, and V. cholerae are associated with human disease. Every year, many people have been suffering from food-borne disease caused by the ingestion of seafood. Therefore, we have monitored this microorganism in 6 coastal areas of West sea by sampling shellfish monthly. Vibrio sppwas detected from 23.3% of 120 samples analyzed using TCBS agar plates as well as API 20E kit. Among 16 antibiotics tested, resistance to vancomycin and ampicillin was observed in 82.1% of the isolates, and the ratios of them resistant to rifampin (71.4%) and cephalothin (53.6%) were also high. The isolates were most highly sensitive to chloramphenicol (92.9%), sulfamethoxazole/trimethoprim (92.9%), and tetracycline (96.4%). About 71.4% of the isolates showed multiple drug resistance toward 3 antibiotics including vancomycin and ampicillin.