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Title: Prevalence of Avian Pathogenic Escherichia coli (APEC) Clone Harboring sfa Gene in Brazil
Authors: Knoebl, Terezinha
Moreno, Andrea Micke
Paixao, Renata
Gomes, Tania Aparecida Tardelli [UNIFESP]
Vieira, Mônica Aparecida Midolli [UNIFESP]
Leite, Domingos da Silva
Blanco, Jesus E.
Ferreira, Antonio José Piantino
Universidade de São Paulo (USP)
Universidade Federal de São Paulo (UNIFESP)
Universidade Estadual de Campinas (UNICAMP)
Univ Santiago de Compostela USC
Issue Date: 1-Jan-2012
Publisher: Hindawi Publishing Corporation
Citation: Scientific World Journal. New York: Hindawi Publishing Corporation, 7 p., 2012.
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 farmpresented more than one genotypic 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.
ISSN: 1537-744X
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