Table 1.
Physiological and substrate utilization characteristics of strain SG772T compared with its phylogenetic neighbours
| Characteristics | Blautia brookingsii SG772T (this study) | Blautia stercoris GAM6-1 [11] | Blautia producta DSM2950 [[12], [13], [14]] | Blautia coccoides DSM935 [11,13] | Blautia schinkii DSM10518 [11,14,15] | Blautia luti DSM 14534 [16] | Blautia obeum ATCC29174 [11,17] | Blautia faecis M25 [14] | Blautia hansenii DSM20583 [11,12,14] |
|---|---|---|---|---|---|---|---|---|---|
| Gram stain | + | + | + | + | + | + | + | + | + |
| Oxygen requirement | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic | anaerobic |
| Motility | – | – | – | – | – | – | – | – | – |
| Cell diameter (μm) | 0.5–0.8 × 1.8–2.5 | 1.5–2.5 × 0.5–0.8 | 1.0–1.5 × 1.0–3.0 | 1.0–1.5 × 1.0–3.0 | 0.8–1.1 × 1.4–2.8 | 0.7–0.9 | 0.8–1.1 × 0.9–1.5 | 1.0–2.3 × 0.5–0.8 | 1–1.5 |
| Endospore production | – | – | – | – | – | – | – | – | – |
| Cell shape | coccobacilli | coccoid | coccobacilli | coccobacilli | coccoid | coccoid | coccoid | coccobacilli | coccoid |
| Opt. temperature (°C) | 37 | 37 | 37 | 37 | 39 | 37 | 37 | 37 | 37 |
| Mannose fermentation | – | – | + | + | – | + | – | – | – |
| Raffinose fermentation | – | – | + | + | – | + | – | – | + |
| Glycerol | – | + | – | w | v | – | – | – | – |
| Erythritol | + | + | – | + | – | – | – | – | – |
| Methyl α-d-glucoside | – | – | – | – | – | NA | + | – | – |
| N-Acetyl-d-glucosamine | – | + | – | – | – | + | + | – | – |
| Arbutin | + | – | – | NA | – | NA | + | – | – |
| Salicin | – | – | – | – | – | – | + | – | – |
| Turanose | – | + | + | – | – | NA | + | – | + |
| l-Fucose | + | + | – | – | v | + | + | – | – |
| d/l-Arabitol | – | – | + | – | – | NA | – | – | – |
| Mannitol | – | – | – | + | NA | – | – | – | – |
| Cellobiose | – | – | + | + | + | + | + | – | – |
| d-Maltose | – | – | + | + | + | + | + | – | + |
| Trehalose | – | – | NA | + | NA | + | NA | – | + |
| d-Lactose | – | – | + | + | NA | + | + | – | + |
| Glucose | + | + | + | + | + | + | + | + | + |
| Galactose | – | – | NA | + | + | + | + | – | NA |
| Rhamnose | + | – | NA | + | NA | – | NA | – | NA |
| d-Fructose | + | – | NA | + | + | + | NA | – | – |
| Propionic acid | + | NA | NA | NA | NA | NA | NA | NA | NA |
| l-Alanyl-l-glutamine | + | NA | NA | NA | NA | NA | NA | NA | NA |
| α-Ketovaleric acid | + | NA | NA | NA | NA | NA | NA | NA | NA |
| Palatinose | + | NA | NA | NA | NA | NA | NA | NA | NA |
| Urocanic acid | + | NA | NA | NA | NA | NA | NA | NA | NA |
| Glyoxylic acid | + | NA | NA | NA | NA | NA | NA | NA | NA |
| N-Acetyl-d-galactosamine | + | NA | NA | NA | NA | + | NA | NA | NA |
| Fumaric acid | + | NA | NA | NA | NA | NA | NA | NA | NA |
| d-Galacturonic acid | + | NA | NA | NA | NA | NA | NA | NA | NA |
| Pyruvic acid | + | NA | NA | NA | NA | – | NA | NA | NA |