Table 1.
Carbohydrate fermentation reactions of C. perfringens field isolates. These isolates were placed in groups on the basis of variation in the fermentation reactions of sugars by different isolates.
Groups | Carbohydrate Fermentation | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Clostridium perfringens | Glucose | Mannitol | Lactose | Sucrose | Maltose | Salicin | Xylose | Arabinose | Glycerol | Cellobiose | Mannose | Melezitose | Raffinose | Sorbitol | Rhamnose | Trehalose |
Group I isolates | + | − | + | + | + | − | − | − | + | − | + | − | − | − | − | + |
Group II isolates | + | − | + | + | + | − | − | − | − | − | + | − | − | − | − | + |
Group III isolates | + | − | + | + | + | − | − | − | − | − | + | − | + | − | − | + |
Group IV isolates | + | − | + | + | + | − | − | − | + | − | + | − | + | − | − | + |
Esculin positive isolates (2%) | + | − | + | + | + | − | − | − | + | − | + | − | − | − | − | + |
Indole positive isolate (<1%) | + | − | + | + | + | − | − | − | + | − | + | − | − | − | − | + |
+: indicates sugar fermentation and −: no sugar fermentation.