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Antonie Van Leeuwenhoek. 2019 Jun;112(6):947-954. doi: 10.1007/s10482-019-01228-0. Epub 2019 Jan 14.

Flaviflagellibacter deserti gen. nov., sp. nov., a novel member of the order Rhizobiales isolated from a desert soil.

Author information

1
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
2
State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, People's Republic of China.
3
College of Life Science and Technology, Honghe University, Mengzi, 661199, People's Republic of China.
4
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China. s.nimaichand@hotmail.com.
5
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China. liwenjun3@mail.sysu.edu.cn.
6
Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Űrűmqi, 830011, People's Republic of China. liwenjun3@mail.sysu.edu.cn.

Abstract

A motile, rod-shaped and yellow coloured proteobacterium, designated strain SYSU D60017T, was isolated from a desert soil sample. The bacterium was found to be an obligately aerobic, mesophilic and neutrophilic chemo-heterotroph. Cells were observed to be Gram-stain negative, catalase positive and oxidase positive. The major cellular fatty acids were identified as C19:0ω8c cyclo and Summed Feature 8 (C18:1ω7c and/or C18:1ω6c). The main respiratory quinone identified was ubiquinone-10. The DNA G + C content was determined to be 63.8% based on draft genome sequence data. The polar lipids detected were identified as diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol and five unidentified polar lipids. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain SYSU D60017T is a member of the order Rhizobiales, but forms a distinct phylogenetic lineage. The differences in the phenotypic characteristics from members of related genera and its distinct phylogenetic position suggested that the isolate SYSU D60017T represents a novel species of a novel genus within the order Rhizobiales, for which the name Flaviflagellibacter deserti gen. nov., sp. nov. is proposed. The type strain of the new taxon is SYSU D60017T (= CGMCC 1.16444T = NBRC 112958T).

KEYWORDS:

Desert sample; Flaviflagellibacter deserti gen. nov., sp. nov.; Rhizobiales

PMID:
30637538
DOI:
10.1007/s10482-019-01228-0

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