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Published on: August 29, 2014
Hymenobacter aquatilis sp. nov., isolated from a mesotrophic artificial lake
Heeyoung Kang1, Inseong Cha1, Haneul Kim1
1Department of Bioscience and Biotechnology, Hankuk University of Foreign Studies, Gyeonggi 17035, Republic of Korea.
Abstract:
A novel strain, designated HMF3095T, isolated from freshwater of a mesotrophic artificial lake in the Republic of Korea, was characterized by polyphasic taxonomy. The cells were Gram-stain-negative, aerobic, non-motile, straight rods and formed reddish colonies. Phylogenetic analysis based on its 16S rRNA gene sequence revealed that strain HMF3095T fell within the cluster of the genus Hymenobacterand was most closely related to Hymenobacter seoulensis 16F7GT and Hymenobacter tenuis POB6T (96.7 % sequence similarity). Sequence similarities to all other type strains were 96.3 % or less. The major fatty acids were iso-C15 : 0, C16 : 1ω5c, summed feature 4 (iso-C17 : 1 I and/or anteiso-C17 : 1 B), summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c) and anteiso-C15 : 0. The major isoprenoid quinone was menaquinone 7. The major polar lipids were phosphatidylethanolamine, three unidentified aminophospholipids and one unidentified phospholipid. The DNA G+C content was 58.9 mol%. On the basis of the evidence presented in this study, strain HMF3095T represents a novel species of the genus Hymenobacter, for which the name Hymenobacter aquatilis sp. nov. is proposed. The type strain is HMF3095T (=KCTC 52398T=NBRC 112669T).
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