Prevalence of avian pathogenic escherichia coli (APEC) clone harboring sfa gene in Brazil
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Abstract
Escherichia coli sfa+ strains isolated from poultry were serotyped and characterized by polymerase chain reaction (PCR) and amplified fragment length polymorphism (AFLP). Isolates collected from 12 Brazilian poultry farms mostly belonged to serogroup O6, followed by serogroups O2, O8, O21, O46, O78, O88, O106, O111, and O143. Virulence genes associated were: iuc 90%, fim 86% neuS 60%, hly 34%, tsh 28%, crl/csg 26%, iss 26%, pap 18%, and 14% cnf. Strains from the same farm presented more than onegenotypic pattern belonging to different profiles in AFLP. AFLP showed a clonal relation between Escherichia coli sfa+ serogroup O6. The virulence genes found in these strains reveal some similarity with extraintestinal E. coli (ExPEC), thus alerting for potential zoonotic risk
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Knoebl, T., Moreno, A. M., Paixao, R., Tardelli Gomes, T. A., Midolli Vieira, M. A., da Silva Leite, D. et al. (2012). Prevalence of avian pathogenic escherichia coli (APEC) clone harboring sfa gene in Brazil. The scientific world journal, vol.2012, 7
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https://doi.org/10.1100/2012/437342Sponsors
This study was supported by FAPESP—Fundação de Amparo a Pesquisa do Estado de São Paulo Research Project no. 05/57500-9
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Copyright © 2012 Terezinha Knobl et al. This is an open access article distributed under the Creative Commons Attribution ¨ License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited