Characteristic | 1 | 2 | 3 |
---|---|---|---|
Cell diameter (µm) | 0.25–0.4 × 1.2–2.0 | 0.32–0.77 × 1.2–3.1 | 0.4–0.5 × 1.2–2.5 |
Salinity/Optimum (w/v) | 0.5–5%/3% | 0.5–5.7%/2.3% | 0.5–5.0%/2.5% |
Temperature range (°C) | 4–32 | 4–30 | 15–42 |
Number of polar flagella | 1 | 1–4 | 1 |
Production of | Â | Â | Â |
Catalase | − | + | + |
Nitrate reductase | − | − | + |
Urease | w | − | + |
Acid phosphatase | + | − | + |
Leucine arylamidase | + | + | − |
Carbon source | Â | Â | Â |
Sodium acetate | + | + | na |
n-alkane | C12-C36 | C7-C20 | C14 and C16 |
Pyruvic acid methyl ester | w | − | + |
β-Hydroxybutyric acid | − | − | + |
D,L-Lactic acid | − | − | + |
D-Mannitol | − | + | − |
D-Sorbitol | − | + | − |
Geographic location | Chukchi Sea, Arctic Ocean | Harbor of Milazzo, Italy | Deokjeok island, Korea |
Habitat | surface seawater | seawater/sediment | surface seawater |
G+C content (mol%) | 46.6 | 46.6 | 54.6 |