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Volume 12, Number 8—August 2006

Letter

Classifying Escherichia coli

Dennys M. Girão*†, Valéria B.C. Girão*, Kinue Irino‡, and Tânia A. Tardelli Gomes§Comments to Author 
Author affiliations: *Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; †Universidade de São Paulo, São Paulo, Brazil; ‡Instituto Adolfo Lutz, São Paulo, Brazil; §Universidade Federal de São Paulo, São Paulo, Brazil

Main Article

Table

Genotypic and phenotypic properties of 16 Escherichia coli strains that co-express localized and aggregative patterns of adherence*

Strain Virulence genes Intimin subtype Serotype
98180 eae, bfpA, EAF, perA, paa δ O2:H45
99137 eae, bfpA, EAF, perA, paa δ O2:H45
21153 eae, bfpA, EAF, perA, shf δ γ† O55:H51
21187 eae, bfpA, EAF, perA, shf δ γ† O55:H51
99253 eae, bfpA, EAF, perA, shf δ γ† O55:HNM
99329 eae, bfpA, EAF, perA, shf δ γ† O55:HNM
99197 eae, bfpA, EAF, perA β δ† O119:H6
98288 eae, bfpA, EAF, perA, irp2 β O119:H6
22622 eae, bfpA, EAF, perA, irp2 β O119:H6
99336 eae, bfpA, perA, paa, astA, efa α O142:H6
98351 eae, bfpA, EAF, perA, astA γ O145:H45
22652 eae, bfpA, EAF, perA, irp2 (–) O178:H33
99245 eae, bfpA, perA, paa, efa, astA α ONT:H6
98025 eae, bfpA, perA, paa α ONT:H6
98366 eae, bfpA, EAF, perA, efa β ONT:H7
22150 eae, bfpA, EAF, perA, astA α ONT:H10

*Isolated from children with diarrhea. EAF, enteropathogenic E. coli adherence factor; –, nontypable with the primers tested.
†Intimin types undetermined because amplification products of the expected size were obtained with 2 intimin pairs of primers.

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