Table 1.
Characteristics | Strains | |||||
---|---|---|---|---|---|---|
| ||||||
PE-TB08W | Halioglobus pacificus S1-72T | Haliea salexigens 3X/A02/235T | Haliea sp. ETY-M | Chromocurvus halotolerans EG19T | Congregibacter litoralis KT71T | |
Isolation source | Surface seawater | Surface seawater | Surface seawater | Surface seawater | Spring run-off stream | Seawater (depth of 8 m) |
Cell morphology | Short Rods | Coccus | Straight rods | Short Rods | Pleomorphic | Pleomorphic |
Cell dimensions (mm) | 0.4–0.45×1.2–1.3 | 0.3×0.5 | 0.3–0.7×1.3–1.9 | 0.4–0.45×1.2–1.3 | 0.7×1.5–3.0 | 0.5–4.5×0.4–0.7 |
Colony color (agar medium) | Cream (−C) | N.A. | Cream (MA) | Purple (5VM) | Pale pinkish-purple (Medium A) | Cream (MA) Pale yellow to orange-red (Under certain conditions) |
Growth of nutrient agar (MA) | − | + | + | − | N.A. | + |
Flagella | − | − | + (1 polar) | − | N.A. | + (1–2 polar) |
DNA G+C content (mol%) | 55.1 | 59.4 | 61.4 | 65.2 | 63.0 | 57.8 |
Optimum growth temperature (°C) | 20 | 20–25 | 25–30 | 30 | 37 | 28 |
Optimum salt concentration (g L−1) | 26.4 | 20 | 40 | 13.2 | 40 | 20 |
PHB accumulation | + | N.A. | N.A. | − | N.A. | N.A. |
Quinone | Ubiquinone Q-8 | Ubiquinone Q-8 | Ubiquinone Q-8 | Ubiquinone Q-8 | Ubiquinone Q-8 | Ubiquinone Q-8 |
Major fatty acid compositions | C18:1ω7c, C16:1ω7c or C15:0 iso 2OH, C16:0, C14:0, C10:0 3OH | C18:1ω7c, C16:1ω7c, C17:1ω8c, C11:0 | C18:1ω7c, C17:1ω8c, C16:1ω7c, C17:0 | C18:1ω7c, C16:1ω7c or C15:0 iso 2OH, C16:0, C14:0, C10:0 3OH | N.A. | C18:1ω7c, C16:1ω7c, C16:0, C10:0 3OH |
Gas hydrocarbon utilization of | ||||||
Ethylene | − | N.A. | N.A. | + | N.A. | N.A. |
Propylene | + | N.A. | N.A. | − | N.A. | N.A. |
1-butene | + | N.A. | N.A. | − | N.A. | N.A. |
2-butene | − | N.A. | N.A. | − | N.A. | N.A. |
Methane | − | N.A. | N.A. | − | N.A. | N.A. |
Ethane | − | N.A. | N.A. | − | N.A. | N.A. |
Propane | − | N.A. | N.A. | − | N.A. | N.A. |
n-butane | + | N.A. | N.A. | − | N.A. | N.A. |
i-butane | − | N.A. | N.A. | − | N.A. | N.A. |
Alcohol utilization of | ||||||
Methanol | − | N.A. | N.A. | − | — | — |
Ethanol | − | N.A. | N.A. | + | — | — |
1-propanol | + | N.A. | N.A. | (+) | N.A. | N.A. |
2-propanol | − | N.A. | N.A. | − | N.A. | N.A. |
1-butanol | + | N.A. | N.A. | − | N.A. | N.A. |
2-butanol | − | N.A. | N.A. | − | N.A. | N.A. |
Pentane | − | N.A. | N.A. | − | N.A. | N.A. |
MA, marine agar 2216; +, positive; −, negative; N.A., data not available.