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Title: [Creating a system of conjugated chromosome transfer and genetic mapping of Vibrio cholerae serogroup O139 chromosomes]. Author: Smirnova NI, Eroshenko GA, Chekhovskaia GV, Livanova LF, Davydova NI, Shopyreva SV. Journal: Mol Gen Mikrobiol Virusol; 1996; (2):14-8. PubMed ID: 8927057. Abstract: A conjugational gene transfer system consisting of donor and recipient strains has been developed for genetic analysis of Vibrio cholerae 0139 serogroup, a new cholera agent. Donor strains constructed using the Tn5-Mob carrying the origin of transfer (ori T) of plasmid RP4 and helper plasmid pRP4-4 were able to perform a directed transfer of chromosomal markers. Recipient strains carried mutations in auxotrophic genes as well as in virulence genes. Based on this gene transfer system, a genetic map of V. cholerae chromosome has been created showing the order of 17 gene markers. Relationship between the genetic structure of V. cholerae 0139 and 01 is discussed.[Abstract] [Full Text] [Related] [New Search]