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Journal of Clinical Microbiology, November 2009, p. 3756-3759, Vol. 47, No. 11
0095-1137/09/$08.00+0     doi:10.1128/JCM.01599-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Evidence of Pathogenic Subgroups among Atypical Enteropathogenic Escherichia coli Strains{triangledown}

Isabel C. A. Scaletsky,1* Katia R. S. Aranda,1 Tamara B. Souza,1,2 Neusa P. Silva,3 and Mauro B. Morais2

Departamento de Microbiologia, Imunologia e Parasitologia,1 Departamento de Pediatria,2 Disciplina de Reumatologia, Universidade Federal de São Paulo, São Paulo, Brazil3

Received 18 August 2009/ Accepted 3 September 2009

We describe the characterization of 126 atypical enteropathogenic Escherichia coli (aEPEC) isolates from 1,749 Brazilian children. Classic aEPEC strains were more frequently found in children with diarrhea than in controls (P < 0.001), showing their importance as acute diarrhea agents in our country. Only aEPEC strains carrying either the ehxA or paa gene were significantly associated with diarrhea.

* Corresponding author. Mailing address: Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo, Rua Botucatu, 862, 3 andar, 04023-062 São Paulo SP, Brazil. Phone: 55-11-55764537. Fax: 55-11-55724711. E-mail: scaletsky{at}unifesp.br

{triangledown} Published ahead of print on 16 September 2009.

Journal of Clinical Microbiology, November 2009, p. 3756-3759, Vol. 47, No. 11
0095-1137/09/$08.00+0     doi:10.1128/JCM.01599-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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