TABLE 3.
Characterization of STEC and EPEC O157, O26, O103, O111, and O145 isolated from bovine feces
| Strain | Serotypeb | Presence of genea: |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| stx (subtype) | eae (subtype) | ehxA | pagC | nleB | efa1 | espK | bfpA | EAF | ||
| STEC | ||||||||||
| A86-O157-1 | O157:H7 | + (stx2c) | + (γ1) | + | + | + | + | NA | − | − |
| A58-O26-1 | O26:H11 | + (stx1a) | + (ß1) | + | − | + | + | + | − | − |
| A77-O26-3 | O26:H11 | + (stx1a) | + (ß1) | + | − | + | + | + | − | − |
| A126-O26-1 | O26:H11 | + (stx1a) | + (ß1) | + | − | + | + | + | − | − |
| A113-O145-1 | O145:H28 | + (stx2a) | + (γ1) | + | − | + | + | NA | − | − |
| A119-O145-1 | O145:H28 | + (stx2a) | + (γ1) | + | − | + | + | NA | − | − |
| aEPEC | ||||||||||
| A137-O157-1 | O157:H7 | − | + (γ1) | + | + | + | + | NA | − | − |
| A138-O157-1 | O157:H7 | − | + (γ1) | + | + | + | + | NA | − | − |
| A139-O157-1 | O157:H7 | − | + (γ1) | + | + | + | + | NA | − | − |
| A140-O157-1 | O157:H7 | − | + (γ1) | + | + | + | + | NA | − | − |
| A141-O157-1 | O157:H7 | − | + (γ1) | + | + | + | + | NA | − | − |
| A143-O157-1 | O157:H7 | − | + (γ1) | + | + | + | + | NA | − | − |
| A55-O26-3 | O26:H11 | − | + (ß1) | − | − | + | + | − | − | − |
| A64-O26-1 | O26:H11 | − | + (ß1) | − | + | + | + | − | − | − |
| A75-O26-1 | O26:H11 | − | + (ß1) | − | + | + | + | − | − | − |
| A71-O26-1 | O26:H11 | − | + (ß1) | + | − | + | + | + | − | − |
| A81-O26-1 | O26:H11 | − | + (ß1) | − | − | + | + | − | − | − |
| A85-O26-1 | O26:H11 | − | + (ß1) | + | − | + | + | + | − | − |
| A86-O26-1 | O26:H11 | − | + (ß1) | + | − | + | + | + | − | − |
| A138-O26-1 | O26:H11 | − | + (ß1) | − | + | + | + | − | − | − |
| A140-O26-1 | O26:H11 | − | + (ß1) | − | + | + | + | − | − | − |
| A145-O26-1 | O26:H11 | − | + (ß1) | − | − | + | + | − | − | − |
| A16-O26-2 | O26:HND | − | + (ND) | − | + | + | + | − | − | − |
| A102-O103-4 | O103:H2 | − | + (ε) | − | + | + | + | NA | − | − |
a
+, detected by PCR; −, not detected by PCR; ND, not determined; NA, not analyzed.
b
The serotype was determined by PCR.