Table 1.
Features | Specifications | Outcomes |
---|---|---|
Appearance | Cell shape | Rods |
Cell arrangement | pairs or chains | |
Gram staining | + | |
Biochemical reactions | Catalase | − |
Nitrate reductase | − | |
Gas production from glucose | − | |
Growth at Temperature (°C) | 15 37 45 |
+ ++ + |
Growth at pH | 4 7 9 |
W- ++ W+ |
Growth at NaCl (%) | 2 4 6 |
+ + − |
Carbohydrate utilization | Lactose | + |
Xylose | − | |
Mannose | + | |
Fructose | + | |
Dextrose | + | |
Galactose | + | |
Raffinose | + | |
Cellobiose | + |
+, positive; −, negative; W+, weakly positive; W-, weakly negative; ++, more positive