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Abstract

A novel Gram-stain-positive, endospore-forming bacterium, designated FJAT-22460, was isolated from a soil sample of a potato field in Xinjiang Autonomous Region, China. Cells were rods that were catalase-positive and motile by peritrichous flagella. The strain was found to grow at temperatures ranging from 10 to 40 °C (optimum 30 °C) and at pH 5.0–12.0 (optimum pH 7) with 0–5 % (w/v) NaCl (optimum 0 % NaCl). Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain FJAT-22460 belonged to the genus and exhibited 16S rRNA gene sequence similarities of 97.3, 97.2, 97.2 and 97.0 % with DSM 5162, DSM 3035, MB 1871 and JCM 9905, respectively. DNA–DNA relatedness of strain FJAT-22460 with DSM 5162 and DSM 3035 was 62.6 % and 33.3 %, respectively, lower than the 70 % accepted for species delineation. The menaquinone was identified as MK-7. The major fatty acids detected were anteiso-C (51.4 %), iso-C (5.3 %), C (12.1 %), iso-C (10.7 %) and anteiso-C (6.9 %). The DNA G+C content was determined to be 50.9 mol%. Phenotypic, chemotaxonomic and genotypic properties clearly indicated that isolate FJAT-22460 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is FJAT-22460 (=DSM 100999=CCTCC AB 2015207).

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2016-11-01
2024-04-16
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