Table 2.
Differential characteristics of Bacillus andreraoultii SIT1T; B. thermoamylovorans strain LMG 18084T; B. thermolactis strain R-6488T; B. circulans strain LMG 13261T; B. subterraneus strain COO13BT; and B. niacin 2923T
| Property | B. andreraoultii | B. thermoamylovorans | B. thermolactis |
B. circulans |
B. subterraneus | B. niacini |
|---|---|---|---|---|---|---|
| Cell diameter (μm) | 0.1–0.3 | 0.5–4 | 1–4 | 1–3 | 0.5–12 | 3–5 |
| Mean length (μm) | 3 | 5 | 10 | 4.2 | 25 | 5.6 |
| Oxygen requirement | F/anaerobic | F/anaerobic | F/anaerobic | F/anaerobic | F/anaerobic | Aerobic |
| Gram stain | + | + | + | − | − | + |
| Motility | + | + | − | + | + | − |
| Flagella | + | NA | + | + | + | − |
| Endospore formation | + | + | + | + | − | + |
| Production of: | ||||||
| Alkaline phosphatase | + | NA | NA | NA | NA | NA |
| Acid phosphatase | + | NA | NA | NA | NA | NA |
| Catalase | + | + | + | NA | + | NA |
| Oxidase | − | + | + | − | − | + |
| Nitrate reductase | + | + | + | v | + | + |
| Indole | − | − | − | − | − | − |
| Urease | − | − | − | − | − | − |
| α-Galactosidase | + | NA | NA | NA | NA | NA |
| β-Galactosidase | + | NA | NA | NA | − | NA |
| β-Glucuronidase | − | NA | NA | NA | − | NA |
| α-Glucosidase | + | NA | NA | NA | + | NA |
| β-Glucosidase | + | NA | NA | NA | + | NA |
| Esterase | + | NA | NA | NA | NA | NA |
| Esterase lipase | + | NA | NA | NA | NA | NA |
| Naphthol-AS-BI-phosphohydrolase | + | NA | NA | NA | NA | NA |
| N-acetyl-β-glucosaminidase | − | NA | NA | NA | NA | NA |
| Pyrazinamidase | NA | NA | NA | NA | NA | NA |
| α-Mannosidase | − | NA | NA | NA | NA | − |
| α-Fucosidase | − | NA | NA | NA | NA | NA |
| Leucine arylamidase | − | NA | NA | NA | NA | NA |
| Valine arylamidase | − | NA | NA | NA | NA | NA |
| Cystine arylamidase | − | NA | NA | NA | NA | NA |
| α-Chemotrypsin | − | NA | NA | NA | NA | NA |
| Trypsin | − | NA | NA | NA | NA | NA |
| Utilization of: | ||||||
| 5-Keto-gluconate | − | − | − | v | NA | NA |
| d-Xylose | + | + | + | + | + | − |
| d-Fructose | + | + | + | + | + | + |
| d-Glucose | + | + | + | + | + | + |
| d-Mannose | + | + | − | + | − | NA |
| Habitat | Human gut | Wine, grass . . . | Raw milk | Bee larvae | Subterranean water | Soil |
+, positive result; −, negative result; v, variable result; NA, data not available.