Hymenobacter rutilus sp. nov., isolated from marine sediment in the Arctic

Myong Chol Kim, Chol Myong Kim, Ok Chol Kang, Yumin Zhang, Zuobing Liu, Danzeng Wangmu, Ziyan Wei, Yao Huang, Fang Peng
International Journal of Systematic and Evolutionary Microbiology 2017, 67 (4): 856-861
Strain K2-33028T, which appeared as a brick-red colony on an R2A plate, was isolated from a marine sediment sample from Kings Bay, Svalbard Archipelago, Norway. Phylogenetic analysis based on 16S rRNA gene sequences indicated that K2-33028T represented a member of the genus Hymenobacter. Cells were Gram-reaction-negative, non-spore-forming, aerobic, rod-shaped and without motility. Growth occurred at 4-37 °C (optimum 28 °C) and at pH 6.0-8.0 (optimum pH 7.0). Cells contained menaquinone-7 as the main respiratory quinone and iso-C15 : 0, summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c), C16 : 1ω5c, summed feature 4 (comprising anteiso-C17 : 1B and/or iso-C17 : 1I) and anteiso-C15 : 0 as the major cellular fatty acids. Phosphatidylethanolamine was predominant in the polar lipid profile. The DNA G+C content was 64.3 mol%. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain K2-33028T is considered to represent a novel species of the genus Hymenobacter, for which the name Hymenobacterrutilussp. nov. is proposed. The type strain is K2-33028T (=CCTCC AB 2016091T=KCTC 52447T).

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