Prevalence of Avian PathogenicEscherichia coli(APEC) Clone HarboringsfaGene in Brazil | Zendy

Terezinha Knöbl | Zendy; Andréa Micke Moreno | Zendy; Renata Paixão | Zendy; Tânia A. T. Gomes | Zendy; Mônica A. M. Vieira | Zendy; Domingos da Silva Leite | Zendy; Jesús E. Blanco | Zendy; Antônio José Piantino Ferreira | Zendy

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Prevalence of Avian PathogenicEscherichia coli(APEC) Clone HarboringsfaGene in Brazil

Author(s) -

Terezinha Knöbl,

Andréa Micke Moreno,

Renata Paixão,

Tânia A. T. Gomes,

Mônica A. M. Vieira,

Domingos da Silva Leite,

Jesús E. Blanco,

Antônio José Piantino Ferreira

Publication year - 2012

Publication title -

the scientific world journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.453

H-Index - 93

eISSN - 2356-6140

pISSN - 1537-744X

DOI - 10.1100/2012/437342

Subject(s) - escherichia coli , clone (java method) , pathogenic escherichia coli , gene , microbiology and biotechnology , biology , genetics , virology

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 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.

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