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. 1980 Jan;39(1):205–209. doi: 10.1128/aem.39.1.205-209.1980

Two modified selenite media for the recovery of Yersinia enterocolitica from meats.

W H Lee, M E Harris, D McClain, R E Smith, R W Johnston
PMCID: PMC291305  PMID: 7188847

Abstract

Yersinia enterocolitica is one of the few human pathogens that grows at the proper food refrigeration temperatures of 0 to 5 degrees C. Although the isolation of environmental biotypes of Y. enterocolitica from many types of food and water has been reported in the literature, the recovery of the sensitive strains inoculated into foods has been slow and uncertain. Rapid recovery of several clinical strains inoculated into meats was accomplished by using two modified selenite broths without added nutrients. It was critical to restrict the sample size of the blended meat suspension at the 0.2-g/100 ml level, thereby restricting the growth of the total bacterial population in the selenite enrichment media. Otherwise, the slower growing Y. enterocolitica would be overwhelmed by the faster growing normal bacterial flora from the meat. Both the resistant serotype O:3 and the sensitive O:8 clinical isolates of Y. enterocolitica were recovered from the modified selenite enrichment media after 2 and 3 days of incubation at 22 degrees C.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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