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Toxin-based typing scheme of Clostridium perfringens.
| Toxinotype | Toxin (gene) | |||||
|---|---|---|---|---|---|---|
| Alpha-toxin | Beta-toxin | Epsilon-toxin | Iota-toxin | Enterotoxin | NetB | |
| (plc or cpa) | (cpb) | (etx) | (iap and ibp) | (cpe) | (netB) | |
| A | + | − | − | − | − | − |
| B | + | + | + | − | − | − |
| C | + | + | − | − | ± | − |
| D | + | − | + | − | ± | − |
| E | + | − | − | + | ± | − |
| F | + | − | − | − | + | − |
| G | + | − | − | − | − | + |
| Untypable (CP280) | + | − | − | − | + | + |
