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Journal of Clinical Microbiology, April 2008, p. 1462-1465, Vol. 46, No. 4
0095-1137/08/$08.00+0     doi:10.1128/JCM.01854-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Escherichia coli Strains of Serotype O51:H40 Comprise Typical and Atypical Enteropathogenic E. coli Strains and Are Potentially Diarrheagenic{triangledown}

Fabiana C. Moreira,1 Mônica A. M. Vieira,1 Antonio J. P. Ferreira,2 Dennys M. Girão,1,3,4 Tânia M. I. Vaz,5 Ana Cláudia P. Rosa,1,6 Terezinha Knobl,2 Kinue Irino,5 Edna Freymüller,1 and Tânia A. T. Gomes1*

Departamento de Microbiologia, Imunologia, e Parasitologia, Universidade Federal de São Paulo, Rua Botucatu, 862, 3o. Andar, 04023-062 São Paulo,1 Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, 05508-900 São Paulo,2 Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Av. Prof. Lineu Prestes 1374, 05508900, São Paulo,3 Laboratório de Coleção de Culturas, Instituto de Microbiologia Prof. Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Brigadeiro Trompowisk, Ilha do Fundão, Rio de Janeiro,4 Seção de Bacteriologia, Instituto Adolfo Lutz, Secretaria de Estado da Saúde, Av. Dr. Arnaldo, 351, 01246902 São Paulo,5 Departamento de Patologia e Laboratórios, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Av. 28 de Setembro, 87 3 Andar, 20551-030 Rio de Janeiro, Brazil6

Received 18 September 2007/ Returned for modification 20 November 2007/ Accepted 22 January 2008

Escherichia coli strains of serotype O51:H40 were studied with regard to the presence of several virulence properties and their genetic diversity and enteropathogenicity in rabbit ileal loops. This serotype encompasses potential enteropathogenic strains mostly classified as being atypical enteropathogenic E. coli (EPEC) strains, which are genetically closer to enterohemorrhagic E. coli than to typical EPEC strains.

* Corresponding author. Mailing address: Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo, Escola Paulista de Medicina, Rua Botucatu, 862, 3o. Andar, Vila Clementino, São Paulo, São Paulo CEP 04023-062, Brazil. Phone: 55-11-5576 4537. Fax: 55-11-5572 4711. E-mail: tatg.amaral{at}unifesp.br

{triangledown} Published ahead of print on 6 February 2008.

Journal of Clinical Microbiology, April 2008, p. 1462-1465, Vol. 46, No. 4
0095-1137/08/$08.00+0     doi:10.1128/JCM.01854-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.



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