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Escherichia coli isolated from feces of brown bears (Ursus arctos) have a lower prevalence of human extraintestinal pathogenic E. coli virulence-associated genes



Escherichia coli isolated from feces of brown bears (Ursus arctos) have a lower prevalence of human extraintestinal pathogenic E. coli virulence-associated genes



Canadian Journal of Veterinary Research 81(1): 59-63



Quatre-vingt-six souches d’Escherichia coli provenant de fèces d’ours brun vivant en nature ou dans un zoo ont été analysées pour déterminer les groupes phylogénétiques à l’aide de la méthode de phylotypage Clermont révisée et la prévalence de 24 gènes associés à la virulence (GAVs) d’E. coli pathogène extra-intestinal (ExPEC). Nos résultats ont montré que la plupart des souches d’E. coli chez les ours appartenaient aux groupes phylogénétiques III/IV/V (29 %) et B1 (26 %). Seulement la moitié des GAVs testés ont été trouvés dans les souches d’E. coli d’ours, fimH étant présent chez 72 %, ompT chez 63 %, et kpsMT chex 43 % de ces souches. Lorsque les résultats des souches d’E. coli obtenues des matières fécales d’ours brun ont été comparés aux données obtenues à partir de 90 souches fécales d’E. coli d’humains en santé, il n’y avait aucune différence significative dans la structure des populations d’E. coli entre les deux hôtes.(Traduit par Docteur Serge Messier).

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Accession: 059827487

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PMID: 28154465


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