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Vet Microbiol ; 166(3-4): 681-5, 2013 Oct 25.
Article in English | MEDLINE | ID: mdl-23932075

ABSTRACT

Fatal Yersinia pseudotuberculosis infection in cynomolgus macaques was diagnosed based upon pathology, microbiology and PCR for this study. Pathological findings included acute, erosive to ulcerative, necrohemorrhagic enterocolitis. Genotyping by PCR showed an O:3 pattern (gmd-fcl(+), ddhC-prt(+), manB(+), ddhA-B(+)), but an additional gene, wbyK, was detected. This is the second report to identify wbyK+ O:3 genotype as the cause of fatal yersiniosis. The first case was reported in 2008, and involved farm deer in the U.S. As the frequency of wbyK+ O:3 genotype is found more often in different carriers, O:3 genotype is proposed to be divided into two subtypes: O:3a without wbyK and O:3b with wbyK. Virulence gene analysis showed the presence of inv, ypmC, irp1, ybtP-ybtQ, yadA, yopB, yopH, lcrF, and suggested that this O:3b isolate could be a highly pathogenic strain to cynomolgus macaques.


Subject(s)
Macaca/microbiology , Monkey Diseases/microbiology , Yersinia pseudotuberculosis Infections/veterinary , Yersinia pseudotuberculosis/isolation & purification , Animals , Genotype , Monkey Diseases/mortality , Virulence , Yersinia pseudotuberculosis/genetics , Yersinia pseudotuberculosis/pathogenicity , Yersinia pseudotuberculosis Infections/microbiology , Yersinia pseudotuberculosis Infections/mortality
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