Enterobacterial repetitive intergenic consensus sequences and the PCR to generate fingerprints of genomic DNAs from Vibrio cholerae O1, O139, and non-O1 strains

Article Abstract:

DNA fingerprint patterns (FPs) generated by PCR analysis of enterobacterial repetitive intergenic consensus (ERIC) sequence polymorphism may be used in detecting the emergence of virulent Vibrio cholerae strains. ERIC-PCR results from V. cholerae strains isolated from Brazil, Peru, Mexico and India revealed FP groups specific for toxigenic and non- toxigenic O1 and non-O1 strains. The presence of PCR fragments common to multiple groups is discussed.

DNA

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Molecular characterization of Vibrio cholerae O139 Bengal isolated from water and the aquatic plant Eichhornia crassipes in the River Ganga, Varanasi, India

Article Abstract:

Results show that all ten strains of Vibrio cholerae O139 carried CTX genetic element and produced cholera toxin . The strains are resistant to antibiotics trimethoprim, sulfamethoxazole, streptomycin, and vibriostatic agent pteridine. Molecular analysis indicate that aquatic environments contain multiple clones of V. cholerae O139.

India, Analysis, Genetic aspects, Drug resistance in microorganisms, Microbial drug resistance, Cholera toxin

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Molecular analysis of Vibrio cholerae O1, O139, non-O1, and non-O139 strains: clonal relationships between clinical and environmental isolates

Article Abstract:

Some non-cholera-toxin-producing strains of Vibrio cholerae produce a toxin that is different from the toxin produced by O1 and O139 strains. Many of these non-cholera-toxin-producing stains are found in aquatic environments.

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