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Int J Syst Evol Microbiol. 2016 Nov;66(11):4525-4529. doi: 10.1099/ijsem.0.001384. Epub 2016 Aug 7.

Chelatococcus reniformis sp. nov., isolated from a glacier.

Author information

1
1​Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, PR China.
2
2​CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing 100085, PR China 1​Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, PR China.
3
2​CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing 100085, PR China 3​Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, PR China.
4
4​State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, PR China.
5
5​Institute of Microbiology, China General Microbiological Culture Collection Center, Chinese Academy of Sciences, Beijing 100101, PR China.
6
6​Institute of Microbiology, Instrument Center, Chinese Academy of Sciences, Beijing 100101, PR China.
7
7​Institut für Mikrobiologie Veterinärmedizinische, Universität Wien Veterinärplatz, Wien 1A-1210, Austria.

Abstract

A Gram-stain-negative, non-motile, reniform bacterial strain, B2974T, was isolated from an ice core of the Muztagh Glacier, on the Tibetan Plateau, China. Strain B2974T grew optimally at pH 7.0-7.5 and 25-30 °C in the presence of 0-2.0 % (w/v) NaCl. 16S rRNA gene sequence similarity analysis indicated that strain B2974T was closely related to Chelatococcus asaccharovorans LMG 25503T at a level of 97.1 %. The major quinone of strain B2974T was ubiquinone Q10. The predominant fatty acids were summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c) and C19 : 0 cyclo ω8c. sym-Homospermidine was the major polyamine. The genomic DNA G+C content of the strain was 64 mol%. In DNA-DNA hybridization tests, strain B2974T shared 49.32 % DNA-DNA relatedness with the type strain of Chelatococcus asaccharovorans LMG 25503T. Based on the results of phenotypic and chemotaxonomic characteristics, strain B2974T was considered as a novel species of the genus Chelatococcus, for which the name Chelatococcus reniformis sp. nov. is proposed. The type strain is B2974T (=JCM 30308T=CGMCC 1.12919T).

PMID:
27503219
DOI:
10.1099/ijsem.0.001384
[Indexed for MEDLINE]

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