PROTEOBACTERIA >> Gamma >> Colwellia >> Colwellia polaris
COLWELLIA POLARIS
| Class: | Gamma Proteobacteria |
| Genus: | Colwellia |
| Species: | Colwellia polaris |
| Description: | Cells are Gram-negative, psychrotolerant, curved rods, 0.6–0.9×0.9–4 μm. Colonies are non-pigmented, convex, circular and smooth with entire edges. Growth occurs at 4–26 °C and pH 5.0–10.0; optimum growth occurs at 20–21 °C and approximately pH 6.0–9.0. Grows aerobically and produces catalase and cytochrome oxidase. Growth occurs in the presence of 1–6 % (w/v) NaCl and no growth occurs in the absence of NaCl. Negative for indole production and in the Voges–Proskauer test. |
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| Source: | The type strain, was isolated from sea ice collected from the Canadian Basin in the Arctic Ocean. |
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| Genbank: | DQ007434.1(16s rRNA) [Genome] [Nucleotide] |
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| Reference: | ZHANG (D.C.), YU (Y.), XIN (Y.H.), LIU (H.C.), ZHOU (P.J.) and ZHOU (Y.G.): Colwellia polaris sp. nov., a psychrotolerant bacterium isolated from Arctic sea ice. Int. J. Syst. Evol. Microbiol., 2008, 58, 1931-1934. |
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