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Article Abstract
A polyphasic taxonomic study was performed on a novel strain designated as S7-3-11, which was isolated from soil of the Gyeongsangnam-do province in Republic of Korea. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain S7-3-11 belongs to the genus Hymenobacter and is most closely related to Hymenobacter ruber PB156 (97.9%), Hymenobacter daeguensis 16F3Y-2 (97.8%), Hymenobacter glaciei VUG-A130 (97.7%), Hymenobacter soli PB17 (97.5%), Hymenobacter terrae DG7A (97.5%), and Hymenobacter antarcticus VUG-A42aa (97.3%). However, DNA-DNA hybridization results showed less than 50% relatedness with respect to the type strains of the six most closely related species. The DNA G + C content of strain S7-3-11 was 60.2 mol%. MK-7 was identified as the predominant respiratory quinone, and summed feature 3 (C ω7c/C ω6c; 21.5%), C iso (16.8%), C anteiso (16.2%), and C iso G (10.8%) were the major fatty acids. Phosphatidylethanolamine, an unidentified aminolipid, and an unidentified aminophospholipid were detected as major polar lipids. On the basis of the polyphasic evidence presented, strain S7-3-11 is considered to represent a novel species of the genus Hymenobacter, for which the name Hymenobacter segetis sp. nov. is proposed. The type strain is S7-3-11 (= KCTC 52732 = JCM 32197).
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