Table 2. Differential characteristics of C. dakarense sp. nov. strain FF1T (Cda).
Properties | CDa | CBa | CBe | CC | CDi | CG | CP | CSa | CSe | CT |
---|---|---|---|---|---|---|---|---|---|---|
Cell diameter (µm) | 1.2 | 1.5 | 1.7 | 2.5 | 3.0 | 0.4-1.0 | 1.3 | 3.0 | 1.1 | 2.5 |
Oxygen requirement | - | - | - | - | - | - | - | - | - | na |
Pigment production | - | - | - | - | + | + | + | na | - | + |
Gram stain | + | + | V | - | + | + | - | + | - | |
Salt requirement | - | na | na | na | na | - | - | na | - | na |
Motility | + | - | + | - | + | + | - | - | + | - |
Endospore formation | + | + | + | + | + | + | w | + | + | + |
Production of | ||||||||||
Acid phosphatase | + | + | na | na | na | na | + | na | na | na |
Catalase | - | - | - | - | na | na | na | na | - | na |
Oxidase | - | na | na | na | na | na | na | na | - | na |
Nitrate reductase | - | - | - | na | - | - | + | + | - | - |
Urease | - | - | - | na | na | na | na | na | - | na |
β-galactosidase | - | + | na | na | na | - | + | na | - | na |
Acid from | ||||||||||
L-Arabinose | - | na | + | - | - | - | - | + | na | na |
Ribose | - | + | - | - | - | + | w | na | na | |
Mannose | - | - | + | + | - | + | na | na | na | |
Mannitol | - | + | + | + | + | - | - | w | na | na |
Sucrose | - | + | + | + | + | - | + | w | na | na |
D-glucose | + | + | + | + | na | + | + | na | na | |
D-fructose | - | + | + | + | + | + | + | + | na | na |
D-maltose | + | + | + | + | - | + | + | w | na | na |
D-lactose | - | na | + | + | - | - | + | w | na | na |
Hydrolysis of | ||||||||||
Gelatin | na | - | + | - | na | - | na | na | na | + |
Starch | na | na | + | - | - | - | + | - | na | |
G+C content (mol%) | 27.98 | 29.8 | 28 | 27 | 28 | 29 | 27 | 28 | 26.8 | 39 |
Habitat | Human gut | Human gut | Human gut | Poplar wood | Human gut | Mud, wastewater | Colonic flora | Sewage sludge | Human gut | Sewage sludge |
C. bartlettii (CBa), C. beijerinckii (CBe), C. cellulovorans (CC), C. difficile (CDi), C. glycolicum (CG), C. perfringens (CP), C. saccharolyticum (CSa), C. senegalense (CSe) and C. thermocellum (CT).
na = data not available; w = weak, v = variable reaction