Presence of a Human Diarrheagenic Escherichia coli Clone in Captivity Kept Psittacidaes

Guilherme A Marietto-Gonçalves1, Silvia M de Almeida2, Josias Rodrigues1, *
1 Department of Microbiology and Immunology, IB-UNESP, Botucatu SP, Brazil
2 Floravida Institute, Botucatu SP, Brazil

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© Marietto-Gonçalves et al.; Licensee Bentham Open.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Microbiology and Immunology, Institute of Bioscience of the São Paulo State University in Botucatu, ZIP 18618-970, Botucatu, SP Brazil; Tel: 055 14 3811-6240; E-mail:


Bacterial cultures of cloaca swabs from 86 captivity kept psittacidaes revealed 17 Escherichia coli bearing birds sharing strains which, on the basis of enterobacterial repetitive intergenic consensus (ERIC) PCR analysis, proved to be genetically similar. Further, triplex PCR specific for the genetic markers chuA, yjaA, and TSPE4.C2 was used to assign the strains to the E. coli reference collection (EcoR) B2 group. One strain of each, from the enteropathogenic (EPEC), enteroaggregative (EAEC) and Shiga toxin (STEC) E. coli pathovars were found among these isolates.

Keywords: Shiga-toxin, diarrhea, parrots, parakeets, Escherichia coli.