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Abstract

A Gram-stain-negative, aerobic, non-motile and rod-shaped or filamentous bacterial strain, designated SHSM-M15, was isolated from a salt marsh at Siheung in Republic of Korea and identified by polyphasic taxonomic study. Strain SHSM-M15 grew optimally at 25 °C, at pH 7.0–8.0 and in the presence of 1.0–2.0 % (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences showed that strain SHSM-M15 clusters with the type strain of , showing 16S rRNA gene sequence similarity of 97.8 %. Strain SHSM-M15 had 16S rRNA gene sequence similarities of less than 93.7 % with the type strains of other recognised species. Strain SHSM-M15 contained MK-7 as the predominant menaquinone and iso-C, iso-C 3-OH and anteiso-C as the major fatty acids. The major polar lipid detected in strain SHSM-M15 was phosphatidylethanolamine. The DNA G+C content of strain SHSM-M15 from genomic sequence was 36.6 %. Mean DNA–DNA relatedness value between strain SHSM-M15 and the type strain of was 18 % and the average nucleotide identity value between strain SHSM-M15 and the type strain of was 87.98 %. The phylogenetic and genetic data and differential phenotypic properties indicated that strain SHSM-M15 is separated from . On the basis of the polyphasic data presented, strain SHSM-M15 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SHSM-M15 (=KACC 19862=NBRC 113749).

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2019-09-01
2019-09-22
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