Volume 12, Number 8—August 2006
Letter
Classifying Escherichia coli
Dennys M. Girão*†, Valéria B.C. Girão*, Kinue Irino‡, and Tânia A. Tardelli Gomes§
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.
