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Presence of virulence genes carried on four STEC/ETEC hybrids.
| Category | Gene | Product/Function | SE572 | SE573 | SE574 | SE575 |
|---|---|---|---|---|---|---|
| Toxin | stx2 | Shiga toxin 2 | + | + | + | + |
| sta | Heat-stable enterotoxin STa | + | + | + | + | |
| astA | EAEC heat-stable enterotoxin I | + | + | + | − | |
| cba | Colicin B | − | + | + | − | |
| cma | Colicin M | − | + | + | − | |
| ehxA | EHEC hemolysin | + | − | + | − | |
| Adherence | lpfA | Long polar fimbriae | + | + | + | − |
| Serum resistance | iss | Increased serum survival | − | + | + | + |
