1887

Abstract

A Gram-stain-negative, rod-shaped, motile bacterium, designated AER10, was isolated from the roots of collected from Takeermohuer desert in Xinjiang Uygur Autonomous Region, northwestern China. Growth was found to occur from 10 to 45 °C, at pH 5.0–9.0, and could tolerate up to 10 % (w/v) NaCl. 16S rRNA gene sequence result indicated that the strain AER10 belongs to the genus and was closely related to (98.4 %), subsp. (98.4 %), subsp. (98.1 %) and subsp. (97.9 %). However, the DNA–DNA hybridization values between the strain AER10 and the above strains were less than the threshold value (below 70 %) for the delineation of genomic species. The DNA G+C content was 53.3 mol%. Ubiquinone-8 (Q-8) was the only quinone system present. The major fatty acids were summed feature 8 (Cω7, 25 %), C (24.2 %), summed feature 3 (Cω7 and/or C ω6, 19.3 %) and cyclo-C (10.5 %). The polar lipid profile of the strain AER10 consists of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylserine, two unidentified aminolipids and five unknown polar lipids. On the basis of the evidence presented in this study, strain AER10 is a representative of a novel species in the genus , for which the name sp. nov. is proposed. The type strain is AER10 (=DSM 100498=KCTC 42688).

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2017-04-01
2019-12-13
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