Virulence-associated plasmids of Yersinia species isolated from pigs and dogs in Korea

Choi, W.P. . Coll. of Veterinary Medicine; Lee, H.J. . Coll. of Agriclture; Jung, S.C. . Veterinary Research Institute

Virulence-associated plasmids of Yersinia species isolated from pigs and dogs in Korea

1989

Choi, W.P. (Kyongbuk National Univ., Taegu (Korea R.). Coll. of Veterinary Medicine) | Lee, H.J. (Chungnam National Univ., Taejon (Korea R.). Coll. of Agriclture) | Jung, S.C. (Rural Development Administration, Anyang (Korea R.). Veterinary Research Institute)

Nine strains of Yersinia species isolated from pigs and dogs in Korea, comprising 5 strains of Yersinia enterocolitica, 2 strains of Y. kristensenii and each strain of Y. pseudo-tuberculosis and Y. intermedia, were examined for the presence of virulence-associated plasmids, calcium dependency and provocation of guinea pig conjunctivitis (Sereny test). Three strains of Y. enterocolitica isolated from pigs were positive in calcium dependency and harbored one plasmid of about 45 megadalton, but negative in Sereny test

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