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Abstract

A novel Gram-stain-negative, motile by gliding, and aerobic bacterial strain, designated SA31, was isolated from reclaimed saline land soil near a lake in Taean-gun, South Korea. Cells of the isolate formed ivory-coloured colonies. Growth occurred at 10–35 °C (optimum 25–30 °C), pH 6.0–9.0 (optimum pH 7.0–7.5), and 0–2.0 % (w/v) NaCl (optimum 0 %). Based on similarities of 16S rRNA gene sequences, strain SA31 was mostly affiliated with the genus exhibiting the highest sequence similarities with S44 (96.0 %), Gm-149 (95.9 %), EMB117 (95.7 %) and GH1-10 (95.6 %). Phylogenetic analysis based on 16S rRNA gene sequences also indicated that strain SA31 was clustered with GH1-10 and Gm-149. The predominant fatty acids (>7 % of total) of strain SA31 were iso-C, summed feature 3 (C 7 and/or C 6), iso-C 3-OH and iso-C 3-OH. The major polar lipids of the isolate comprised phosphatidylethanolamine, one unknown aminolipid, one unknown glycolipid, one unknown aminophospholipid and three unknown lipids. The major respiratory quinone was MK-6. The genomic DNA G+C content of strain SA31 was 33.5 mol%. On the basis of phenotypic, chemotaxonomic and phylogenetic analyses, strain SA31 represents a novel species the genus , for which the name sp. nov. is proposed. The type strain is SA31 (=KACC 18743=JCM 31221).

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2017-01-01
2021-07-25
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