Table 3.
Cellular characteristics | |
Gram’ staining | Positive |
Morphology | Rods with rounded ends |
Motility | Motile |
Spore | Central to para-central, ellipsoidal to cylindrical in shape |
Size | 0.6–1.0 μm in length |
Colonial morphology | |
Nutrient agar | Finely wrinkled, dull, opaque, adherent colonies |
Fermentation reaction | |
Glucose | Acid |
Maltose | Acid |
Galactose | Acid |
Adonitol | – |
Mannose | – |
Sucrose | – |
Biochemical reaction | |
Indole | Negative |
Methyl red | Negative |
Voges Proskauer | Positive |
Citrate | Negative |