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Abstract

A Gram-stain-negative, aerobic, non-motile, rod-shaped, cold-tolerant bacterium, designated F01003, was isolated from soil sampled near Happiness Bay on the west coast of Antarctica. Strain F01003 was found to grow at 4–30 °C (optimum, 25 °C), pH 5.5–8.0 (pH 6.5–7.0) and in the presence of 0–1 % NaCl (0 %, w/v). Cells were oxidase-positive and catalase-positive. Strain F01003 contained menaquinone 7 (MK-7) as the predominant respiratory quinone. The main cellular fatty acids included summed feature 3 (Cω6 and/or Cω7) and iso-C. Phosphatidylethanolamine and an unidentified aminolipid were identified as the major polar lipids. The DNA G+C content of strain F01003 was 44.8 mol%. Phylogenetic analysis of the nearly full-length 16S rRNA gene sequence revealed that strain F01003 was most closely related to the genus and exhibited the highest sequence similarity to LMG 29118 (97.3 %). On the basis of the evidence presented in this polyphasic taxonomic study, strain F01003 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is F01003 (=KCTC 62991=CCTCC AB 2019023).

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2019-09-06
2019-09-19
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