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Int J Syst Evol Microbiol. 2019 Feb;69(2):441-446. doi: 10.1099/ijsem.0.003168. Epub 2018 Dec 13.

Sphingomonas deserti sp. nov., isolated from Mu Us Sandy Land soil.

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1​State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, PR China.
2​Key Laboratory of Microbial Resources Collection and Preservation, Ministry of Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China.


A Gram-stain-negative, rod-shaped bacterium, designated as strain GL-C-18T, was isolated from soil sample collected at Mu Us Sandy Land, China, and its taxonomic position was investigated using a polyphasic approach. Growth was observed in the presence of 0-1 % (w/v) NaCl (optimum, 0 %), pH 6.0-9.0 (optimum, pH 7.0-8.0) and 20-37 °C. On the basis of 16S rRNA gene sequence similarity, strain GL-C-18T belonged to the family Sphingomonadaceae and was most closely related to Sphingosinicella vermicomposti YC7378T (95.7 %), Sphingomonas oligophenolica S213T (95.0 %) and Sphingobium boeckii 301T (94.8 %). The draft genome of strain GL-C-18T was 6.09 Mb, and the G+C content was 66.0 %. The average nucleotide identity value to Sphingosinicella vermicomposti YC7378T was 83.7 %. The predominant respiratory quinone was Q-10. The major fatty acids were C18 : 1ω7c, summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c), C16:0 and C14 : 0 2OH. The main polar lipids were sphingoglycolipid, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and phosphatidylcholine. On the basis of chemotaxonomic, phylogenetic and phenotypic evidence, strain GL-C-18T represents a novel species of the genus Sphingomonas, for which the name Sphingomonasdeserti sp. nov. is proposed. The type strain is GL-C-18T (=ACCC 60076T=KCTC 62411T).


Mu Us Sandy Land; Phingomonas deserti; Sphingomonas; soil

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