Nonomuraea nitratireducens sp. nov., a new actinobacterium isolated from Suaeda australis Moq. rhizosphere
文献类型： 外文期刊
作者： Ou, Yixin 1 ; Sheng, Yong 1 ; Hu, Xiaojing 1 ; Leng, Dongjin 1 ; Huang, Jiafu 3 ; Hu, Zhiyu 4 ; Bai, Linquan 1 ; Deng, Zi 1 ;
作者机构： 1.Shanghai Jiao Tong Univ, Joint Int Res Lab Metab & Dev Sci, State Key Lab Microbial Metab, Shanghai 200240, Peoples R China
2.Shanghai Jiao Tong Univ, Sch Life Sci & Biotechnol, Shanghai 200240, Peoples R China
3.Minnan Normal Univ, Engn Technol Ctr Mushroom Ind, Zhangzhou 363000, Fujian, Peoples R China
4.Xiamen Univ, Sch Life Sci, State Key Lab Cellular Stress Biol, Xiamen 361102, Fujian, Peoples R China
5.Shanghai Acad Agr Sci, Natl Engn Res Ctr Edible Fungi, Key Lab Appl Mycol Resources & Utilizat South, Minist Agr & Rural Affairs,Inst Edible Fungi, Shanghai 201403, Peoples R China
关键词： Nonomuraea nitratireducens sp. nov.; actinobacteria; polyphasic taxonomy; rhizosphere; nitrate reduction
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 9 期
页码：
收录情况： SCI
摘要： A novel actinomycete, designated WYY166(T), was isolated from the rhizosphere of Suaeda australis Moq. collected in Dongfang, PR China. The taxonomic position of this strain was investigated using a polyphasic approach. Phylogenetic analysis based on its 16S rRNA gene referred strain WYY166(T) to the genus Nonomuraea, and it was most closely related to the type strains Nonomuraea candida HMC10(T), Nonomuraea turkmeniaca DSM 43926(T), Nonomuraea maritima NBRC 106687(T) and Nonomuraea polychroma DSM 43925(T) (98.35, 97.60, 97.36 and 97.30% sequence similarity, respectively). Genome sequencing revealed a genome size of 11.27 Mbp and a G+C content of 71.10 mol%. The genome average nucleotide identity (ANI) values and the digital DNA - DNA hybridization (dDDH) values between strain WYY166(T) and the other species of the genus were found to be low (ANI 81.63 similar to 85.23%. dDDH 23.6 similar to 31.6%), suggesting that it represented a new species. The physiological evaluation showed that it had remarkable nitrate reduction activity. The whole-cell hydrolysates contained meso-diaminopimelic acid and madurose. The N-acyl type of muramic acid was acetyl. The major menaquinones were MK-9 (H-4) (86.9%) and MK-9 (H-2) (13.1%). The predominant fatty acids were iso-C-1(6:)0 (53.2%), 10-methyl C-17:0 (10.7%), C-17:1 omega 6c (8.3%) and iso-C(16:1)h (7.3%). These physiological, biochemical and chemotaxonomic data suggested that strain WYY166(T) should be classified as representing a novel species of the genus Nonomuraea, for which the name Nonomuraea nitratireducens sp. nov. is proposed. The type strain is WYY166(T) (=MCCC 1K03779(T)=KCTC 49343(T)).
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