Occurrence and expression of luminescence in Vibrio cholerae

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dc.contributor.authorGrim, Christopher J.-
dc.contributor.authorTaviani, Elisa-
dc.contributor.authorAlam, Munirul-
dc.contributor.authorHuq, Anwar-
dc.contributor.authorSack, R. Bradley-
dc.contributor.authorColwell, Rita R.-
dc.date.accessioned2008-02-18T06:51:49Z-
dc.date.available2008-02-18T06:51:49Z-
dc.date.issued2008-02-
dc.identifier.citationAppl Environ Microbiol 2008 Feb;74(3):708-15en
dc.identifier.urihttp://hdl.handle.net/123456789/645-
dc.description.abstractSeveral species of the genus Vibrio, including Vibrio cholerae, are bioluminescent or contain bioluminescent strains. Previous studies have reported that only 10% of V. cholerae strains are luminescent. Analysis of 224 isolates of non-O1/non-O139 V. cholerae collected from Chesapeake Bay, MD, revealed that 52% (116/224) were luminescent when an improved assay method was employed and 58% (130/224) of isolates harbored the luxA gene. In contrast, 334 non-O1/non-O139 V. cholerae strains isolated from two rural provinces in Bangladesh yielded only 21 (6.3%) luminescent and 35 (10.5%) luxA+ isolates. An additional 270 clinical and environmental isolates of V. cholerae serogroups O1 and O139 were tested, and none were luminescent or harbored luxA. These results indicate that bioluminescence may be a trait specific for non-O1/non-O139 V. cholerae strains that frequently occur in certain environments. Luminescence expression patterns of V. cholerae were also investigated, and isolates could be grouped based on expression level. Several strains with defective expression of the lux operon, including natural K variants, were identified.en
dc.format.extent778689 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherAmerican Society for Microbiologyen
dc.subjectVibrio choleraeen
dc.subjectCholeraen
dc.subjectDiarrheal diseasesen
dc.titleOccurrence and expression of luminescence in Vibrio choleraeen
dc.typeArticleen
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