TABLE 3.
Key phenotypic characteristics that differentiate strain TG409T from related type strainsa
| Characteristic | Strainb |
|||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Gliding motility | + | + | − | + |
| Na+ requirement | − | − | + | − |
| Nitrate reduction | + | − | + | − |
| Oxidase | − | + | + | + |
| H2S production | + | − | + | − |
| Degradation of: | ||||
| Gelatin | + | − | + | − |
| Urea | − | − | − | − |
| Tween 20 | + | − | − | + |
| Tween 40 | + | − | + | + |
| Tween 80 | + | − | − | − |
| Growth conditions, range (optimal) | ||||
| Temp (°C) | 10–30 (30) | 4–38 (24) | 10–42 (30) | 4–35 (25) |
| pH range | 6.5–8.5 (8.0) | ND | 5.5–10.0 (8.0) | ND |
| Salt concn (%) | 0–6 (0) | 1–6 | 0–8 | |
| Utilization of: | ||||
| d-Galactose | + | + | − | − |
| Maltose | + | + | − | + |
| l-Arabinose | + | + | + | + |
| Glycerol | + | − | − | − |
| N-Acetyl-β-glucosamine | + | + | − | − |
| Mannitol | + | − | − | + |
| Malate | w | − | − | + |
| Citrate | w | − | − | + |
| Acid production from: | ||||
| d-Glucose | + | + | − | + |
| d-Xylose | + | + | − | + |
| Susceptibility to streptomycin | − | − | − | + |
| DNA G+C (mol%) | 41.9 | 40.0 | 40.0 | 39–40 |
a
Symbols and abbreviations: ND, not determined; +, positive; −, negative; w, weakly positive. Data are from Nedashkovskaya et al. (45, 56, 57), Sun et al. (59), and this study.
b
Strains: 1, strain TG409T; 2, Arenibacter palladensis LMG 21972T; 3, Arenibacter troitsensis KCTC 12362T; 4, Arenibacter echinorum KCTC 22013T.