TABLE 6.
Number of virulence factor-positive E. coli O103 strains investigated in this study
| Virulence gene | Encoded protein | No. of positive strains |
|---|---|---|
| efa | EHEC factor for adherence | 51 |
| cif | Cell cycle-inhibiting factor | 51 |
| eae | Intimin | 51 |
| stx1 or stx2 | Shiga toxin | 44 |
| paa | Porcine attaching and effacing-associated | 44 |
| E-hlyA | Enterohemolysin | 44 |
| etpD | T2SS pathway protein D | 43 |
| katP | Catalase-peroxidase | 23 |
| iutA | Aerobactin receptor | 9 |
| espP | Serine protease | 2 |
| cnf | Cytotoxic necrotizing factor I | 0 |
| cdt-I | Cytolethal distending toxin | 0 |
| bfpA | Bundle-forming pilus | 0 |
| lpfA | Major fimbrial subunit of long polar fimbriae | 0 |