Hymenobacter glacieicola sp. nov., isolated from glacier ice

Keshao Liu, Yongqin Liu, Ninglian Wang, Zhengquan Gu, Liang Shen, Baiqing Xu, Yuguang Zhou, Hongcan Liu, Nianzhi Jiao
International Journal of Systematic and Evolutionary Microbiology 2016, 66 (10): 3793-3798
A Gram-stain-negative, rod-shaped, non-motile and red-pink-pigmented bacterial strain, designated B1909T, was isolated from an ice core drilled from Muztagh Glacier on the Tibetan Plateau, China. A phylogenetic tree based on 16S rRNA gene sequences showed that strain B1909T formed a lineage within the genus Hymenobacter and was closely related to Hymenobacter xinjiangensis X2-1gT (96.16 % similarity) and Hymenobacter psychrotolerans Tibet-IIU11T (95.99 %). The predominant fatty acids were iso-C15 : 0, summed feature 3 (C16 : 1ω7c/C16 : 1ω6c), summed feature 4 (iso-C17 : 1ω6c I/anteiso B), C16 : 1ω5c, anteiso-C15 : 0 and iso-C17 : 0 3-OH. The major menaquinone was MK-7. The major polar lipid was phosphatidylethanolamine. The DNA G+C content was 59 mol%. On the basis of the phenotypic, phylogenetic and chemotaxonomic data presented, strain B1909T is considered to represent a novel species of the genus Hymenobacter, for which the name Hymenobacterglacieicola sp. nov. is proposed; the type strain is B1909T (=JCM 30596T=CGMCC 1.12990T).

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