Arthrobacter silvisoli sp. nov., isolated from forest soil

文献类型： 外文期刊

第一作者： Fu, Yansong

作者： Fu, Yansong;Liu, Dongli;Jiang, Shanwen;Ju, Hanxun;Guo, Xiaokui;Guo, Xiaowei;Wang, Xiangjing;Zhang, Ji;Xiang, Wensheng;Xiang, Wensheng

作者机构：

关键词： Arthrobacter silvisoli; draft genome; ANI; in silico DNA-DNA hybridization

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN： 1466-5026

年卷期： 2018 年 68 卷 12 期

页码：

收录情况： SCI

摘要： A novel Gram-stain-positive, strictly aerobic strain, NEAU-SA1(T), which showed a rod-coccus growth life cycle, was isolated from forest soil from Zhangjiajie, Hunan Province, China. The isolate grew at 10-40 degrees C (optimum 28 degrees C), at pH 5.0-10.0 (optimum pH 7.0) and in the presence of up to 5 % (w/v) NaCl, although NaCl was not required for growth. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain NEAU-SA1(T) belonged to the genus Arthrobacter and was closely related to Arthrobacter cupressi DSM 24664(T) (98.1 % similarity). Average nucleotide identity values between NEAUSA1(T) and A. cupressi DSM 24664(T) were 88.91 and 87.41 % by ANIm and ANIb analysis, respectively. The in silico DNA-DNA hybridization value between strain NEAU-SA1(T) and A. cupressi DSM 24664 T was 34.20 %, again indicating they belong to different taxa. The genomic DNA G+C content was 66.74 mol%. The major cellular fatty acids (>10 %) were anteiso-C-15(:0), anteiso C-17(:0) and iso-C-16:0. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and two unidentified glycolipids. The predominant menaquinone was MK-9(H-2). The peptidoglycan type was A3 alpha with an interpeptide bridge comprising L-Lys and L-Ala. Glucose, ribose and galactose were the whole-cell sugars. On the basis of morphological, physiological, biochemical and chemotaxonomic analysis, strain NEAU-SA1(T) was classified as representing a novel species in the genus Arthrobacter, for which the name Arthrobacter silvisoli sp. nov. is proposed. The type strain is NEAU-SA1(T) (=DSM 106716(T) =CCTCC AB 2017271(T) ).

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