Table 5.
Major characteristics that distinguish the genus Acidisarcina from the most closely related genera of the family Acidobacteriaceae.
| Characteristic | Acidisarcina | Acidicapsa | Occallatibacter | Terracidiphilus | Telmatobacter | Acidipila | Acidobacterium |
|---|---|---|---|---|---|---|---|
| Motility | − | V | + | + | + | − | + |
| Capsule | + | + | V | + | – | + | − |
| Pigment | None to light pink | None to pink | None to pink | None | None | Pink | Orange |
| Anaerobic growth | − | − | − | − | + | − | + |
| pH range | 4.0–7.7 | 2.3–7.3 | 3.5–8.5 | 3.0–6.0 | 3.0–7.5 | 3.0–8.0 | 3.0–6.0 |
| pH optimum | 4.8–7.0 | 4.0–5.0 | 4.0–6.0 | 4.0–5.0 | 4.5–5.0 | 4.0–4.5 | ND |
| Cellulose degradation | + | − | − | + | + | − | − |
| Major fatty acids | 13,16-Dimethyl octacosanedioic acid, iso-C15:0, C16:1ω8c, C16:0 | 13,16-Dimethyl octacosanedioic acid, iso-C15:0 | 13,16-Dimethyl octacosanedioic acid, iso-C15:0, iso-C17:1ω7c, iso-C17:0 | iso-C15:0, C15:0, C16:1ω7c, C18:0 | 13,16-Dimethyl octacosanedioic acid, iso-C15:0, iso-C17:1ω8c | iso-C15:0, iso-C18:1ω9c, C16:1ω7c | 13,16-Dimethyl octacosanedioic acid, iso-C15:0, C18:1ω9 |
| G+C content (mol %) | 56.8 | 51.7–60.0 | 58.5–59.9 | 57.3 | 57.6 | 56.3–59.5 | 57.2–60.8 |
ND, not determined; v. variable.