Properties | T. senegalensis | C. fimi | O. turbata | S. keddieii |
---|---|---|---|---|
Cell diameter (µm) | 0.59 | 0.9–3.3 | 1.1 | 0.82 |
Oxygen requirement | facultatively anaerobic | aerobic | facultatively anaerobic | facultatively anaerobic |
Colony color | white | yellow-white | yellow | yellow |
Gram stain | + | + | + | + |
Salt requirement | − | + | + | na |
Motility | + | − | + | + |
Cell Wall (major constituents) | alanine, glutamic acid and glucosamine | rhamnose, mannose, fucose and glucosamine | alanine, glutamic acid, glucosamine, muramic acid, galactose, lysine | alanine, glutamic acid, rhamnose and glucosamine |
Endospore formation | − | − | − | − |
Production of | Â | Â | Â | Â |
Phosphatase | + | na | − | na |
Catalase | + | + | + | na |
Oxidase | − | na | − | na |
Nitrate reductase | + | − | + | − |
Urease | − | − | − | na |
β-galactosidase | + | + | + | − |
N-acetyl-glucosamine | − | + | + | + |
Acid from | Â | Â | Â | Â |
Inositol | − | + | − | − |
Mannitol | − | − | − | − |
Melibiose | − | − | − | + |
Raffinose | − | − | − | + |
Rhamnose | − | + | − | + |
Sorbitol | − | na | + | + |
Utilization of | Â | Â | Â | Â |
L-arabinose | + | − | + | + |
D-ribose | − | + | + | − |
D-glucose | + | + | + | + |
D-fructose | − | − | + | + |
D-mannose | − | + | + | + |
D-maltose | + | + | + | + |
D-lactose | − | − | + | + |
Esculin | + | + | − | − |
Habitat | human gut | soil | soil, decaying plant materials and clinical specimens | blood of healthy cow |