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Ornithinimicrobium pratense sp. nov., isolated from meadow soil

文献类型： 外文期刊

作者： Guo, Qiannan 1 ; Wang, Bo 3 ; Zhou, Zhengfu 2 ; Ke, Xiubin 2 ; Zhang, Lijuan 3 ; Chen, Ming 2 ; Lin, Min 2 ; Wang, Wei 3 ; Z 1 ;

作者机构： 1.Sichuan Univ, Coll Life Sci, Key Lab Bio Resource & Eco Environm, Minist Educ, Chengdu 610065, Sichuan, Peoples R China

2.Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Appl Microbiol, Xinjiang 830091, Urumqi, Peoples R China

4.Xinjiang Lab Special Environm Microbiol, Urumqi 830091, Xinjiang, Peoples R China

关键词： meadow soil; Ornithinimicrobium; polyphasic approach; whole-genome sequencing

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： 2020 年 70 卷 12 期

页码：

收录情况： SCI

摘要： A novel Gram-stain-positive, yellow, short-rod-shaped or coccoid bacterial strain, W204(T), was isolated from a soil sample collected from Jiadengyu national forest park in China and characterized using a polyphasic approach. The cell-wall peptidoglycan contained ornithine as the diagnostic diamino acid. 16S rRNA gene sequence analysis indicated that strain W204(T) was closely related to Ornithinimicrobium flavum CPCC 203535(T) (97.4%, similarity), Serinicoccus profundi CGMCC 4.5582(T) (96.9%), Serinicoccus sediminis GP-T3-3(T) (96.8%), Serinicoccus hydrothermalis JLT9(T) (96.7%), Ornithinimicrobium cerasi CPCC 203383(T) (96.6%) and Ornithinimicrobium kibberense K22-20(T) (96.6%). However, the digital DNA-DNA genome hybridization value between strain W204(T) and the closest related strain O. flavum CPCC 203535(T) was 21.90 %. Complete genome analyses revealed that the size of the genome was 3.54 Mb and the genomic DNA G+C content was 70.79 mol%. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine, an unidentified glycolipid, an unidentified phospholipid and an unidentified lipid. The major menaquinone was MK-8(H-4). The predominant cellular fatty acids were iso-C-15:0, anteiso-C-15:0 and C-16:0. The phenotypic, chemotaxonomic and phylogenetic data suggested that strain W204(T) should be classified as representative of a novel species of the genus Ornithinimicrobium, for which the name Ornithinimicrobium pratense sp. nov. is proposed. The type strain is W204(T) (=GDMCC 1.1391(T)=KCTC 49237(T)).

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