Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 67, Issue 11, Pages 4862-4867Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.002397
Keywords
Siccirubricoccus deserti gen. nov., sp nov.; Saudi Arabia; polyphasic taxonomy
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Funding
- International Scientific Partnership Program (ISPP) at King Saud University [0036]
- China Postdoctoral Science Foundation [2015M580748, 2016M602566]
- China Postdoctoral Special Foundation [2016T90811]
- Visiting Scholar Grant of State Key Laboratory of Biocontrol, Sun Yat-Sen University [SKLBC14F02]
- Guangdong Province Higher Vocational Colleges and Schools Pearl River Scholar Funded Scheme
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Strain SYSU D8009(T) was isolated from a desert sample collected from Saudi Arabia. The taxonomic position of the isolate was investigated by a polyphasic approach. The novel isolate was Gram-stain-negative, non-motile, aerobic and non-spore-forming. It was able to grow at 4-45 degrees C and pH 4.0-8.0, and exhibited NaCl tolerance of up to 1.5% (w/v). Strain SYSU D8009(T) shared the closest 16S rRNA gene sequence similarities with members of the family Acetobacteraceae, with a value of less than 96.0 %. In the phylogenetic dendrograms, the strain clustered with the genera Paracraurococcus, Craurococcus and Crenalkalicoccus within the family Acetobacteraceae but with a distinct lineage, thereby demonstrating that the strain should be classified within the family Acetobacteraceae. The respiratory ubiquinone was found to be Q-10. The polar lipids of the strain comprised diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol and four unidentified aminolipids. The predominant cellular fatty acids were summed feature 8 (C-18:1 omega 7c and/or C-18:1 omega 6c) and C-16:0.The genomic DNA G+C content of strain SYSU D8009(T) was determined to be 71.6 mol%. Based on the results of the phylogenetic analyses and differences in the physiological and biochemical characteristics, strain SYSU D8009T merits representation of a novel species of a new genus within the family Acetobacteraceae, for which the name Siccirubricoccus deserti gen. nov., sp. nov. is proposed. The type strain of Siccirubricoccus deserti sp. nov. is SYSU D8009(T) (=CGMCC 1.15936(T)=KCTC 62088(T)).
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