Table 4.
Physiological and biochemical properties of bacterial strain QTH8.
| Result | Characteristic | Result | |
|---|---|---|---|
| Shape | rod | Acid from: | |
| Endospore | + | D-Glucose | + |
| Gram stain | + | D-Mannitol | + |
| Citrate utilization | + | Glycerine | + |
| Nitrate reduction | + | Sucrose | + |
| MR reaction | − | Lactose | − |
| Indole production | − | Gas from: | |
| Starch hydrolysis | + | D-Glucose | − |
| Casein hydrolysis | + | D-Mannitol | − |
| Anaerobic growth | − | Glycerine | − |
| V-P test | + | Sucrose | + |
| Catalase test | + | Lactose | − |
| Litmus milk test: | Growth at: | ||
| Acid reaction | − | 5 °C | + |
| Alkaline reaction | − | 10 °C | + |
| Curd formation | − | 20 °C | + |
| Peptonization | + | 45 °C | + |
| Growth in 10% NaCl | + | 50 °C | − |
“+”and “−” indicate positive and negative reactions, respectively.