A slightly thermophilic, Gram-staining-negative and strictly aerobic bacteria, designated strain YIM 78141T, was isolated from a sediment sample collected at Hehua hot spring, Tengchong, Yunnan province, south-west China. Cells of the strain were short-rod-shaped and colonies were yellowish and circular. The strain grew at pH 6.0–10.0 (optimum, pH 8.0–9.0) and 10–55 °C (optimum, 40–50 °C). Phylogenetic analyses based on 16S rRNA gene sequence comparison demonstrated that strain YIM 78141T belongs to the family Neisseriaceae, and strain YIM 78141T also showed low levels of 16S rRNA gene sequence similarity (below 93.4 %) with all other genera in this family. The only quinone was ubiquinone 8 and the genomic DNA G+C content was 67.3 mol%. Major fatty acids (>5 %) were C12 : 0, C16 : 0, C18 : 1ω7c and summed feature 3. The polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine, phospholipids of unknown structure containing aminoglycophospholipid and three unidentified polar lipids. On the basis of the morphological, physiological and biochemical characteristics as well as genotypic data, this strain should be classified as a representative of a novel genus and species of the family Neisseriaceae, for which the name Crenobacter luteus gen. nov., sp. nov. is proposed. The type strain is YIM 78141T ( = BCRC 80650T = KCTC 32558T = DSM 27258T).
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Funding
This study was supported by the:
China Ministry of Science & Technology (MOST)
(Award 2013DFA31980)
Yunnan Provincial Natural Science Foundation
(Award 2013FA004)
Education Department of Henan Province of China
(Award 2011A180025)
Henan Provincial Undergraduate Training Programs for Innovation and Entrepreneurship
(Award 2011060)
National Science Foundation
(Award OISE-0968421)
Guangdong Province Higher Vocational Colleges & Schools Pearl River Scholar Funded Scheme
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