Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses

To evaluate the presence of Yersinia enterocolitica in raw chicken, 70 samples of chicken carcasses were obtained from a Buenos Aires, Argentina, processing plant. The detection of this psychotropic microorganism was carried out using the whole carcass rinse method and enrichment in phosphate-buffer...

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Autores principales: Floccari, M.E., Carranza, M.M., Parada, J.L.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0362028X_v63_n11_p1591_Floccari
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spelling todo:paper_0362028X_v63_n11_p1591_Floccari2023-10-03T15:26:47Z Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses Floccari, M.E. Carranza, M.M. Parada, J.L. Argentina bacterium detection biogroup buffer chicken food processing food safety microbial contamination pH phagotype serotype Yersinia frederiksenii yersinia intermedia Bacteria (microorganisms) Gallus gallus Yersinia enterocolitica Yersinia enterocolitica Yersinia frederiksenii Yersinia intermedia To evaluate the presence of Yersinia enterocolitica in raw chicken, 70 samples of chicken carcasses were obtained from a Buenos Aires, Argentina, processing plant. The detection of this psychotropic microorganism was carried out using the whole carcass rinse method and enrichment in phosphate-buffered saline, 0.067 M, pH 7.6, at 4°C, followed by alkaline treatment and isolation on cefsulodin-irgasan-novobiocin nutrient agar. Y. enterocolitica or related species were detected in 7 of 70 samples. From them, 4.3% were identified as Y. enterocolitica, 1.4% as Yersinia intermedia, and 4.3% as Yersinia frederiksenii. The serotype and phagotype of Y. intermedia isolates were O:52, 53, and X(z) and those of Y. frederiksenii were O:4.16 and X(o). All Y. enterocolitica isolates belong to the biogroup 1A, serotype O:5, phagotype X(z), which presents uncertain pathogenic potential. These findings reinforce the worldwide concern on the microbiological quality of food products. Quality assurance programs on the whole poultry process are increasingly being adopted in Argentina. Fil:Floccari, M.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0362028X_v63_n11_p1591_Floccari
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Argentina
bacterium detection
biogroup
buffer
chicken
food processing
food safety
microbial contamination
pH
phagotype
serotype
Yersinia frederiksenii
yersinia intermedia
Bacteria (microorganisms)
Gallus gallus
Yersinia enterocolitica
Yersinia enterocolitica
Yersinia frederiksenii
Yersinia intermedia
spellingShingle Argentina
bacterium detection
biogroup
buffer
chicken
food processing
food safety
microbial contamination
pH
phagotype
serotype
Yersinia frederiksenii
yersinia intermedia
Bacteria (microorganisms)
Gallus gallus
Yersinia enterocolitica
Yersinia enterocolitica
Yersinia frederiksenii
Yersinia intermedia
Floccari, M.E.
Carranza, M.M.
Parada, J.L.
Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses
topic_facet Argentina
bacterium detection
biogroup
buffer
chicken
food processing
food safety
microbial contamination
pH
phagotype
serotype
Yersinia frederiksenii
yersinia intermedia
Bacteria (microorganisms)
Gallus gallus
Yersinia enterocolitica
Yersinia enterocolitica
Yersinia frederiksenii
Yersinia intermedia
description To evaluate the presence of Yersinia enterocolitica in raw chicken, 70 samples of chicken carcasses were obtained from a Buenos Aires, Argentina, processing plant. The detection of this psychotropic microorganism was carried out using the whole carcass rinse method and enrichment in phosphate-buffered saline, 0.067 M, pH 7.6, at 4°C, followed by alkaline treatment and isolation on cefsulodin-irgasan-novobiocin nutrient agar. Y. enterocolitica or related species were detected in 7 of 70 samples. From them, 4.3% were identified as Y. enterocolitica, 1.4% as Yersinia intermedia, and 4.3% as Yersinia frederiksenii. The serotype and phagotype of Y. intermedia isolates were O:52, 53, and X(z) and those of Y. frederiksenii were O:4.16 and X(o). All Y. enterocolitica isolates belong to the biogroup 1A, serotype O:5, phagotype X(z), which presents uncertain pathogenic potential. These findings reinforce the worldwide concern on the microbiological quality of food products. Quality assurance programs on the whole poultry process are increasingly being adopted in Argentina.
format JOUR
author Floccari, M.E.
Carranza, M.M.
Parada, J.L.
author_facet Floccari, M.E.
Carranza, M.M.
Parada, J.L.
author_sort Floccari, M.E.
title Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses
title_short Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses
title_full Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses
title_fullStr Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses
title_full_unstemmed Yersinia enterocolitica biogroup 1A, serotype O:5 in chicken carcasses
title_sort yersinia enterocolitica biogroup 1a, serotype o:5 in chicken carcasses
url http://hdl.handle.net/20.500.12110/paper_0362028X_v63_n11_p1591_Floccari
work_keys_str_mv AT floccarime yersiniaenterocoliticabiogroup1aserotypeo5inchickencarcasses
AT carranzamm yersiniaenterocoliticabiogroup1aserotypeo5inchickencarcasses
AT paradajl yersiniaenterocoliticabiogroup1aserotypeo5inchickencarcasses
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