1887

Abstract

A Gram-positive-staining, spherical-shaped and faintly pink-pigmented bacterial strain, X-82, was isolated from soil samples collected from a desert in Xinjiang, China. The organism was found to be resistant to UV radiation but sensitive to gamma radiation and desiccation. The optimum growth pH, NaCl concentration and temperature were pH 7.0, 0–1 % NaCl and 30 °C. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain X-82 is member of a novel species belonging to the genus , with KR-140 as its closest relative (93.5 % similarity). The DNA G+C content (60 mol%), quinone type (MK-8), major cellular fatty acids (16 : 17, 16 : 0 and 17 : 1 iso 9), the presence of peptidoglycan with -ornithine and the dominant polar lipid (phosphoglycolipids and glycolipids) support the affiliation of strain X-82 with the genus . A novel species is proposed, for which the name sp. nov. is proposed, with the type strain X-82 (=CCTCC AB 207226 =NRRL B-51287).

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2009-04-01
2020-01-29
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Polar lipid profiles of strain X-82 and DSM 20539 (=R1 ) following two-dimensional TLC separation. APL, Unknown aminophospholipid; GL , unknown glycolipid; PGL , unknown phosphoglycolipid; PL , unknown polar lipid; PIG, pigment.

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[PDF file of Supplementary Figs S1 and S3](75 KB)

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Fatty acid composition of strain X-82 and related members of the genus . [PDF](61 KB)

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