TABLE 4.
Comparison of phenotypic features between strain C. intestinihominis AF73-05CM02T and the closest related reference strain, C. minuta DSM 22607T.
| Phenotypic features | 1* | 2# |
| Cell size (μm) | 1.0 × 1.0–2.0 | 0.4 × 0.8–1.9 |
| Growth: | ||
| Temperature range (optimum) (°C) | 30–42 (37–42) | 25–45 (37) |
| pH range (optimum) | 6.0–8.5 (7.0) | 6.0–9.0 (7.5) |
| Salt tolerance (%) | 2 | 3 |
| Bile tolerance (%) | 0.3 | 20 |
| Aesculin hydrolysis | + | – |
| Acid from (API 20A and API 50CHL): | ||
| Arbutin | + | w |
| D-Galactose | + | w |
| D-Maltose | + | w (-#) |
| D-Sorbitol | + | w (-#) |
| D-Sucrose | + | – |
| D-Turanose | + | – |
| Gentiobiose | + | – |
| L-Sorbose | + | w |
| Xylitol | + | w |
| D-Adonitol | – | w |
| L-Fucose | – | + |
| D-Melezitose | W | – |
| D-Raffinose | W | – |
| Enzyme activity (API ZYM): | ||
| β-Glucosidase | – | + |
Strains: 1, C. intestinihominis sp. nov. AF73-05CM02T; 2, C. minuta DSM 22607T. +, Positive; w, weakly positive reaction; −, negative; ND, no data available. *Data from this study. #Data from Morotomi et al. (2012) and this study.