1887

Abstract

A facultatively chemolithoautotrophic, thiosulfate-oxidizing, Gram-negative, aerobic, motile, rod-shaped bacterial strain, designated ATSB16, was isolated from rhizosphere soils of sesame ( L.). 16S rRNA gene sequence analysis demonstrated that this strain was closely related to LMG 18087 (96.7 % similarity), LMG 18016 (96.5 %), LMG 16407 (96.2 %), LMG 18379 (96.1 %) and LMG 18819 (96.0 %). Strain ATSB16 shared 96.0–96.4 % sequence similarity with four unnamed genomospecies of . The major cellular fatty acids of the strain ATSB16 were C cyclo (33.0 %) and C (30.6 %). Q-8 was the predominant respiratory quinone. The major polar lipids were phosphatidylmethylethanolamine, diphosphatidylglycerol, phosphatidylethanolamine and two unidentified aminophospholipids. Hydroxyputrescine and putrescine were the predominant polyamines. The genomic DNA G+C content of the strain was 64.0 mol%. On the basis of the results obtained from this study, strain ATSB16 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is ATSB16 (=KACC 12757 =LMG 24779).

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2010-01-01
2020-01-19
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