TABLE 1.
Biochemical characterization of bacterial isolate DS15158
| Characteristic or test | Reactiona |
|---|---|
| Growth on: | |
| BA at: | |
| 37°C | + |
| 42°C | + |
| 25°C | + (slower) |
| MacConkey agar | Poor |
| CNA-PEAb agar | Poor |
| Triple sugar iron agar | Alkaline, no change |
| OF glucose | − |
| Oxidase | + |
| Catalase | + |
| Indole | − |
| Motility | − |
| Esculin hydrolysis | + |
| Gelatin liquefaction | − |
| Urease | + |
| Nitrate reduction | − |
| Nitrite reduction | − |
| H2S production (Sims) | − |
| Methyl red | − |
| Voges-Proskauer | − |
| Utilization of citrate (Simmons) | + |
| MBM acetamide | − |
| Malonate | − |
| Aliphatic thiol | − |
| Growth in 6% NaCl broth | + |
| Arginine dihydrolase (Moellers) | − |
| Lysine decarboxylase (Moellers) | − |
| Ornithine decarboxylase (Moellers) | − |
| Phenylalanine deaminase | − |
| Enzyme production | |
| Phosphatase | + |
| β-Glucosidase | + |
| β-Galactosidase | + |
| N-Acetyl-glucosaminidase | + |
| Phosphorylcholinase | + |
| Proline aminopeptidase | + |
| Pyrollidonyl aminopeptidase | + |
| γ-l-Glutamyl aminopeptidase | + |
| Tryptophan aminopeptidase | + |
| N-Benzyl-arginine aminopeptidase | + |
| Triglyceride hydrolase | + |
| β-Glucuronidase | − |
a
+, positive; −, negative.
b
CNA, colistin nalidixic acid blood agar; PEA, phenylethyl alcohol blood agar.