1887

Abstract

A Gram-stain-negative, strictly aerobic and halotolerant bacterial strain, designated strain NAP41, was isolated from a sea tidal flat in the Yellow Sea of South Korea. Cells were non-motile cocci showing oxidase- and catalase-positive activities. Growth of strain NAP41 was observed at 15–40 °C (optimum, 37 °C), at pH 6.5–9.0 (optimum, pH 7.0–7.5) and in the presence of 0.5–12 % (w/v) NaCl (optimum, 2 %). Strain NAP41 contained summed feature 8 (comprising C 7/ 6) and C as the major fatty acids and ubiquinone-10 as the sole isoprenoid quinone. Phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, an unidentified aminolipid and three unidentified lipids were detected as the polar lipids. The G+C content of the genomic DNA was 56.0 mol%. Strain NAP41 was most closely related to SSK3-2, YCS-24 and DSM 29430 with 96.67, 96.39 and 96.39 % 16S rRNA gene sequence similarities, respectively, and formed a phylogenetic lineage distinct from closely related taxa within the family with low bootstrap values. On the basis of phenotypic, chemotaxonomic and molecular properties, strain NAP41 representthe name gen. nov., sp. nov. is proposed. The type strain of the type species is NAP41 (KACC 18431=JCM 30739).

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2018-01-01
2024-03-28
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