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FEMS Microbiol Lett. 2002 Sep 10;214(2):153-7.

Mobilization of the Vibrio pathogenicity island between Vibrio cholerae isolates mediated by CP-T1 generalized transduction.

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Department of Microbiology, National University of Ireland, University College Cork, Cork, Ireland.


Pathogenicity islands are large chromosomal regions encoding virulence genes that were acquired by horizontal gene transfer and are found in a wide range of pathogenic bacteria. In toxigenic Vibrio cholerae isolates the receptor for the cholera toxin encoding filamentous phage CTXphi, the toxin-coregulated pilus, is part of the Vibrio pathogenicity island (VPI). In this paper, we show that the VPI can be transferred between O1 serogroup strains, the predominant cause of epidemic cholera, via a generalized transducing phage CP-T1.

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