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Microbiol Immunol. 1991;35(12):1073-84.

Two generalized transducing phages in Vibrio parahaemolyticus and Vibrio alginolyticus.

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Department of Infectious Disease, Nagano Research Institute for Health and Pollution, Japan.


Two bacteriophages named phi VP253 and phi VP143 isolated after ultraviolet induction from lysogenic strains of Vibrio parahaemolyticus have been shown to be generalized transducing phages. So far, seven different auxotrophic markers of a V. parahaemolyticus strain could be transduced at the frequencies ranging from 2.2 x 10(-7) to 7.5 x 10(-5) per infected cell at the m.o.i. of approximately 1.0. The phage phi VP143, but not phi VP253, lysed 20 of the 28 strains of V. alginolyticus and the occurrence of generalized transduction by this phage in this Vibrio species has been confirmed. Molecular size of the genomes of both phages were estimated to be approximately 48 kb as judged from electrophoretic mobilities of the DNAs digested with HindIII endonuclease. The results and similarity of the two phages in morphology and other properties suggest very close relatedness of the phages.

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