Structural and Functional Characterization of IS 1358 from Vibrio cholerae
نویسندگان
چکیده
منابع مشابه
Characterization of Vibrio cholerae isolated from oysters.
Of 790 samples of oyster shellstock freshly harvested during a 12-month survey, 111 (most of which were harvested from June through August) contained Vibrio cholerae non-O1 (611 strains), and seven contained O1 Inaba (11 strains) organisms. None of the V. cholerae strains isolated were enterotoxigenic by immunological and biological tests.
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Following consumption of contaminated food or water by a human host, the Vibrio cholerae bacterium produces virulence factors including cholera toxin (CT), which directly causes voluminous diarrhea, producing cholera. A complex regulatory network controls virulence gene expression and responds to various environmental signals and transcription factors. Ultimately ToxT, a member of the AraC/XylS...
متن کاملCharacterization of Vibrio cholerae aerotaxis.
The ability to move toward favorable environmental conditions, called chemotaxis, is common among motile bacteria. In particular, aerotaxis has been extensively studied in Escherichia coli and was shown to be dependent on the aer and tsr genes. Three putative aer gene homologs were identified in the Vibrio cholerae genome, designated aer-1 (VC0512), aer-2 (VCA0658), and aer-3 (VCA0988). Deletio...
متن کاملStructural characterization of the O-antigenic polysaccharide from the lipopolysaccharide of Vibrio cholerae O37
The chemical structure of the O-antigenic polysaccharide isolated from the lipopolysaccharide of Vibrio cholerae O37 by mild acid hydrolysis was elucidated. The O-antigenic polysaccharide is found to consist of D-glucose, N-acetyl-D-Quinovosamine and small amount of 4-O-methyl-N-acetyl-D-quinovasamine. The structure of the O-antigen is established by using sugar and methylation analyses, Smith ...
متن کاملStructural Characterization of the Extracellular Polysaccharide from Vibrio cholerae O1 El-Tor
The ability to form biofilms is important for environmental survival, transmission, and infectivity of Vibrio cholerae, the causative agent of cholera in humans. To form biofilms, V. cholerae produces an extracellular matrix composed of proteins, nucleic acids and a glycoconjugate, termed Vibrio exopolysaccharide (VPS). Here, we present the data on isolation and characterization of the polysacc...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1998
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.180.23.6101-6106.1998