Development of a Hexaplex PCR Assay for Rapid Detection of Virulence and Regulatory Genes in Vibrio cholerae and Vibrio mimicus

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We have developed a hexaplex PCR assay for rapid detection of the virulence and regulatory genes for cholera toxin enzymatic subunit A (ctxA), zonula occludens toxin (zot), accessory cholera enterotoxin (ace), toxin-coregulated pilus (tcpA), outer membrane protein (ompU), and central regulatory protein ToxR (toxR) in Vibrio cholerae and Vibrio mimicus. This hexaplex PCR proved successful in screening pathogenic-toxigenic and nonpathogenic-nontoxigenic V. cholerae and V. mimicus strains from both clinical and environmental sources.