Table 1 Differential phenotypic characteristics of strain HM134T and the type strains of related species Strains: Strains: 1, HM134T; 2, M. rifamycinica AM105T; 3, M. wenchangensis CCTCC AA 2012002 T; 4, M. mangrovi 2803GPT1-18T.
Characteristic | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
Temperature for growth (°C) | 14–37 | 20–37a | 16–45b | 16–42c |
pH range for growth | 4.5–9.5 | 6–8b | 5–9b | 5.5–8c |
NaCl tolerance (%) | 7 | 4b | 3b | 3c |
Nitrate reduced to nitrite | − | − | − | + |
Gelatin liquefaction | + | + | + | − |
Glucose fermentation | w | + | − | w |
Enzyme activity | ||||
Alkaline phosphatase | + | + | w | + |
α-chymotrypsin | − | − | w | + |
Esterase(C4) | w | − | − | − |
Esterase lipase(C8) | w | w | − | − |
α-galactosidase | − | − | − | w |
β-glucosidase | w | + | w | w |
Lipase(C14) | − | − | + | − |
Naphthol AS-BI phosphohydrolase | − | − | − | w |
N-acetyl-β-glucosaminidase | − | − | w | + |
Urease | w | w | w | − |
Valin arylamidase | w | − | w | − |
Hydrolysis of: | ||||
Starch | + | − | + | w |
Tween 20 | − | − | + | + |
Tween 60 | + | w | + | + |
Tween 80 | − | − | + | − |
Esculin | + | + | + | w |
Utilization of: | ||||
N-Acetyl-glucosamine | w | + | w | w |
D-Mannitol | w | + | − | w |
Potassium gluconate | + | + | w | + |
Malic acid | w | + | − | + |
Major Polar Lipids | PE, DPG | PE, DPG, PIM, PSc | PE, DPG, PI, PIMb | PE, DPG, PIc |
Major menaquinones | MK-10(H6) | MK-10(H6), MK-10(H4), MK-9(H4)d | MK-10(H6), MK-9(H6)b | MK-10(H6), MK-9(H6), MK-9(H4)c |
DNA G+C content (mol%) | 73.2 | 71.0a | 71.7b | 71.2c |