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KMID : 0545120120220081107
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Journal of Microbiology and Biotechnology
2012 Volume.22 No. 8 p.1107 ~ p.1112
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Detection and Identification of Vibrio Species Using Whole-Cell Protein Pattern Analysis
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Lee Chae-Yoon
Hong Yeun
Ryu Ji-O
Kim Young-Rok
Oh Sang-suk
Lee Soon-Ho
Hwang In-Gyun
Kim Hae-Yeong
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Abstract
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Outbreaks of foodborne diseases associated with Vibrio species such as V. parahaemolyticus, V. vulnificus, and V. cholerae frequently occur in countries having a dietary habit of raw seafood consumption. For rapid identification of different Vibrio species involved in foodborne diseases, whole-cell protein pattern analysis for 13 type strains of 12 Vibrio species was performed using SDS-PAGE analysis. Pathogenic Vibrio species such as V. parahaemolyticus, V. vulnificus, V. cholerae, V. alginolyticus, V. fluvialis, and V. mimicus were included in the 12 Vibrio species used in this study. Each of the 12 Vibrio species showed clearly specific band patterns of its own. Two different strains of V. parahaemolyticus showed two different SDS-PAGE wholecell protein patterns, giving the possibility of categorizing isolated strains in the same V. parahaemolyticus species into two subgroups. The 36 Vibrio isolates collected from sushi restaurants in Busan were all identified as V. parahaemolyticus by comparing their protein patterns with those of Vibrio type strains. The identified isolates were categorized into two different subgroups of V. parahaemolyticus. The whole-cell protein pattern analysis by SDS-PAGE can be used as a specific, rapid, and simple identification method for Vibrio spp. involved in foodborne diseases at the subspecies level.
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KEYWORD
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Vibrio, foodborne, SDS-PAGE, protein pattern
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