TABLE 1.
Detection of EAEC- and EPEC-associated virulence markers among E. coli strains belonging to EPEC serogroups and presenting the AA phenotype
| Serotype | No. of strains (%) | No. of positive strains (%)
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| eae | bfpA | EAECa | aggA | aafA | aggR | aspU | shf | pet | astA | pic | irp-2 | ||
| O86:H2 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | ||||||
| O111:H4 | 1 | 1 | |||||||||||
| O111:H10 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | |||||
| O111:H12 | 8 | 4 | 8 | 7 | 7 | ||||||||
| O111:H21 | 4 | 4 | 4 | 4 | 1 | 4 | 3 | 3 | |||||
| O125:H6 | 2 | 2 | |||||||||||
| O125:H16 | 1 | 1 | 1 | 1 | 1 | ||||||||
| O125:H21 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| O126:H27 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | |||
| O128:H12 | 1 | 1 | |||||||||||
| O128:H35 | 8 | 7 | 7 | 5 | |||||||||
| Total | 34 (100) | 2 (5.9) | 0 | 14 (41.2) | 0 | 2 (5.9) | 12 (35.3) | 11 (32.3) | 19 (55.9) | 1 (2.9) | 22 (64.7) | 17 (50) | 24 (70.6) |
a
EAEC probe sequence.