%0 Journal Article %A Yang, Shanshan %A Li, Xuegong %A Xiao, Xiang %A Zhuang, Guangjiao %A Zhang, Yu %T Sphingomonas profundi sp. nov., isolated from deep-sea sediment of the Mariana Trench %D 2020 %J International Journal of Systematic and Evolutionary Microbiology, %V 70 %N 6 %P 3809-3815 %@ 1466-5034 %R https://doi.org/10.1099/ijsem.0.004235 %K deep-sea sediment %K Sphingomonas profundi sp. nov. %K Mariana Trench %I Microbiology Society, %X A Gram-stain-negative, short rod-shaped, yellow bacterium (strain LMO-1T) was isolated from deep-sea sediment of the Mariana Trench, Challenger Deep. Phylogenetic analysis based on the 16S rRNA gene sequence showed that strain LMO-1T belonged to genus Sphingomonas , with the highest sequence similarity to Sphingomonas formosensis CC-Nfb-2T (96.3 %), followed by Sphingomonas prati W18RDT (96.1 %), Sphingomonas arantia 6PT (96.0 %) and Sphingomonas montana W16RDT (95.9 %). The predominant polar lipids were phosphatidylethanolamine, sphingoglycolipid, phosphatidylglycerol and phosphatidylcholine. The main cellular fatty acids were summed feature 8 (C18 : 1 ω7c and/or C18 : 1 ω6c), C16 : 0 and C14 : 0 2-OH. The major polyamine was sym-homospermidine and the predominant isoprenoid quinone was ubiquinone-10. The genome DNA G+C content of strain LMO-1T was 69.2 mol%. The average nucleotide identity and DNA–DNA hybridization values between strain LMO-1T and CC-Nfb-2T were 75.9 and 20.5 %, respectively. Based on these data, LMO-1T should be classified as representing a novel species of the genus Sphingomonas , for which the name Sphingomonas profundi sp. nov. is proposed. The type strain is LMO-1T (=MCCC 1K04066T=JCM 33666T). %U https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.004235