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- Title
Sphingobacterium yamdrokense sp. nov., isolated from Lake Yamdrok.
- Authors
Xiao, Na; Liu, Yongqin; Gu, Zhengquan; Liu, Xiaobo; Jiao, Nianzhi; Liu, Hongcan; Zhou, Yuguang; Shen, Liang
- Abstract
A strictly aerobic and facultatively psychrophilic bacterium, strain 3-0-1, was isolated from Lake Yamdrok on the Tibetan Plateau, China. Cells were Gram-negative and short-rod-shaped. Strain 3-0-1 formed circular, opaque, yellow colonies, and grew at 0-5 % (w/v) NaCl, pH 5.0-11.0 and 5-35 °C. Phylogenetic analysis based on 16S rRNA gene sequences of various species with validly published names showed that strain 3-0-1 belongs to the genus Sphingobacterium, family Sphingobacteriaceae, sharing the highest similarity with Sphingobacterim nematocida M-SX103 (96.62 %) and less than 95 % similarity with all the other species in the genus Sphingobactrium. The predominant isoprenoid quinone of strain 3-0-1 was identified as menaquinone 7 (MK-7), the major polar lipid was identified as phosphatidylethanolamine and the DNA G+C content was determined to be 42.5 mol%. The predominant cellular fatty acids were identified as summed feature 3 (C ω7 c and/or C ω6 c) (>30 %), iso-C (>20 %) and iso-C 3-OH (>10 %). Based on the variability of phylogenetic and phenotypic characteristics, strain 3-0-1 represents a novel species of the genus Sphingobacterium, for which the name Sphingobacterium yamdrokense sp. nov. is proposed. The type strain is 3-0-1 (=JCM 19397 = CGMCC 1.12560).
- Subjects
TIBETAN Plateau; CHINA; PSYCHROPHILIC bacteria; NUCLEOTIDE sequence; PHOSPHATIDYLETHANOLAMINES; FATTY acids; LAKES
- Publication
Antonie van Leeuwenhoek, 2015, Vol 107, Issue 5, p1331
- ISSN
0003-6072
- Publication type
Article
- DOI
10.1007/s10482-015-0428-0