, Volume 47, Issue 6, pp 783-788
Date: 04 Feb 2010

Classification of hybrid and altered Vibrio cholerae strains by CTX prophage and RS1 element structure

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Analysis of the CTX prophage and RS1 element in hybrid and altered Vibrio cholera O1 strains showed two classifiable groups. Group I strains contain a tandem repeat of classical CTX prophage on the small chromosome. Strains in this group either contain no element(s) or an additional CTX prophage or RS1 element(s) on the large chromosome. Group II strains harbor RS1 and CTX prophage, which has an E1 Tor type rstR and classical ctxB on the large chromosome.

These authors contributed equally to this work.