Micromonospora violae sp. nov., isolated from a root of Viola philippica Car |
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| Authors: | Yuejing Zhang Hui Liu Xinhui Zhang Shurui Wang Chongxi Liu Chao Yu Xiangjing Wang Wensheng Xiang |
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| Affiliation: | 1. Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee, Northeast Agricultural University, No. 59 Mucai Street, Xiangfang District, Harbin, 150030, People’s Republic of China
2. State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
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| Abstract: | A novel actinomycete, designated strain NEAU-zh8T, was isolated from a root of Viola philippica Car collected in China and characterized using a polyphasic approach. 16S rRNA gene sequence similarity studies showed that strain NEAU-zh8T belongs to the genus Micromonospora, being most closely related to Micromonospora chokoriensis 2-9(6)T (99.9 %), Micromonospora saelicesensis Lupac 09T (99.3 %) and Micromonospora lupini Lupac 14NT (99.0 %). gyrB gene analysis also indicated that strain NEAU-zh8T should be assigned to the genus Micromonospora. The cell-wall peptidoglycan consisted of meso-diaminopimelic acid and glycine. The major menaquinones were MK-10(H4), MK-10(H2) and MK-10(H6). The phospholipid profile contained diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylinositol. The major fatty acids were iso-C15:0, C16:0 and C17:0 10-methyl. A combination of DNA–DNA hybridization results and some physiological and biochemical properties indicated that strain NEAU-zh8T could be readily distinguished from the closest phylogenetic relatives. Therefore, it is proposed that strain NEAU-zh8T represents a novel Micromonospora species, for which the name Micromonospora violae sp. nov. is proposed. The type strain is NEAU-zh8T (=CGMCC 4.7102T=DSM 45888T). |
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