Table 2. Differential characteristics of six members of the Coriobacteriaceae family†
Properties | S. anaerobia | A. equolifaciens | E. mucosicola | E. sinensis | Gordonibacter pamelae | C. aerofaciens |
|---|---|---|---|---|---|---|
Cell morphology | Coccobacilli | Coccobacilli | Rod | Rod | Coccobacilli | Chains of coccid cells |
Obligately | Obligately | Obligately | Obligately | Obligately | Obligately | |
Oxygen requirement | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic |
Motility | + | − | − | − | + | − |
Spore-formation | − | − | − | − | − | + |
Production of Alkaline phosphatase | W | Na | Na | − | − | Na |
Catalase | − | Na | − | + | + | Na |
Oxidase | − | Na | − | Na | Na | Na |
Nitrate reductase | + | − | Na | − | − | Na |
Urease | − | − | Na | − | − | Na |
Indole production | − | Na | − | − | − | Na |
β-galactosidase | − | Na | Na | − | − | Na |
β-glucosidase | − | − | Na | − | − | Na |
Arginine arylamidase | − | + | Na | + | − | Na |
Arginine dihydrolase | + | + | Na | + | + | Na |
Leucine arylamidase | − | + | Na | − | − | Na |
Acid from | ||||||
Glucose | − | − | Na | − | − | + |
Arabinose | − | − | Na | − | − | − |
Ribose | − | − | Na | Na | − | − |
Mannose | − | − | Na | − | Na | + |
Maltose | − | − | Na | Na | Na | + |
Mannitol | − | − | Na | Na | Na | − |
Trehalose | − | − | Na | − | − | − |
Cellobiose | − | − | Na | Na | Na | − |
Galactose | − | − | Na | Na | Na | + |
Fructose | − | − | Na | Na | Na | + |
G+C content (mol%) | 60.9 | 64.1 to 66.5 | 64.2 | 64.9-65.6 | 66.4 | 60-61 |
Habitat | human gut | human and rat intestine | mouse intestine | human bacteremia | human colon, Crohn’s disease | human samples |