Characteristics | Identification tests | TDS9 |
---|---|---|
Morphological studies | Gram staining | Positive |
Shape | Short rod | |
Formation | Single | |
Cultural studies | Colony form | Circular, entire |
Colony elevation | Low convex | |
Internal structure of the colony | Translucent | |
Colony color | Off-white | |
Slant growth | Filiform | |
Growth in broth | Sediment | |
Biochemical studies | Oxidase test | Negative |
Catalase test | Positive | |
Proteolysis test | Positive | |
Indole test | Negative | |
Citrate test | Positive | |
TSI test | No fermentation | |
Methyl red test | Negative | |
Voges-Proskauer test | Positive | |
Fermentation test: | No fermentation for any sugar | |
 Monosaccharide-arabinose | ||
 Xylose | ||
 Glucose | ||
 Fructose | ||
 Disaccharide-sucrose | ||
 Lactose | ||
 Polysaccharide-raffinose | ||
 Starch | ||
 Sugar alcohol-glycerol | ||
 Mannitol | ||
Casein hydrolysis | Positive | |
Starch hydrolysis | Negative |