Abstract
The purpose of this study was to evaluate the presence of Yersinia enterocolitica 4/O:3 in the pork production chain, at slaughterhouses and markets in Brazil. Out of 792 samples, 320 were bioserotyped as Y. enterocolitica 4/O:3. Of these, 1.66% (2/120) originated from slaughterhouse environments and 30% (144/480) from tongue and tonsil samples. Eighty-four of these isolates were analyzed by pulsed-field gel electrophoresis (PFGE) using NotI, and 15 different Y. enterocolitica 4/O:3 PFGE patterns (PYA to PYP) were obtained. PYA and PYB were the most frequent and included almost all human isolates. Although Y. enterocolitica in the pork production chain does not appear to cause many human infections in Brazil, there is still a chance for contamination, so good manufacturing practices should be adopted by the markets and by consumers at home, in order to minimize the spread of Y. enterocolitica 4/O:3.
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Acknowledgements
We thank FAPESP for financial support (process 06/55501-0); Juliana Pfrimer Falcão (PhD) from FCFRP-USP, for kindly providing the human clinical isolates; and Deyse Cristhina Vallim da Silva and André Victor Barbosa, from FIOCRUZ-RJ, for bioserotyping.
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Paixão, R., de Gobbi, D.D.S., Raimundo, D.C., Hofer, E., Matte, M.H., Moreno, A.M. (2012). Characterization of Yersinia enterocolitica 4/O:3 Isolated from Slaughterhouses and Pork in the State of São Paulo, Brazil, and Clinical Cases in Humans. In: de Almeida, A., Leal, N. (eds) Advances in Yersinia Research. Advances in Experimental Medicine and Biology, vol 954. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3561-7_15
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