Table 4.
Distribution of STEC adhesin-encoding genes among tEPECa strains of distinct serotypes
| Serotype | No. of strains | STEC adhesin-encoding gene | lpfA1 type | lpfA2 type |
|---|---|---|---|---|
| O55:H− | 1 | paa | 3 | 2 |
| 1 | 1 | |||
| O55:H6 | 4 | 1 | ||
| 1 | ||||
| O86:H34 | 1 | |||
| 1 | 1 | |||
| O88:H25 | 5 | 2 | 1 | |
| 1 | iha | 2 | 1 | |
| O111:H− | 6 | |||
| O111:H2 | 6 | |||
| O119:H6 | 3 | paa | ||
| 3 | ||||
| O127:H6 | 1 | toxB | 1 | |
| O127:H40 | 1 | |||
| 1 | toxB | |||
| O142:H6 | 2 | iha | 1 | |
| 2b | paa | 1 | ||
| O142:H34 | 2 | 1 | ||
| 1 | iha | 1 | ||
| O145:H45 | 1 | 1, 2 | 1 | |
| 2 | 1 |
a
E. coli strains carrying eae and bfpA and lacking stx genes, with all strains producing BFP.
b
Only these two strains lacked the EAF probe sequence.