Streptosporangium nanhuense sp. nov., a novel actinomycete isolated from soil |
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| Authors: | Hairong He Xinhui Zhang Haiyan Wang Chongxi Liu Shurui Wang Junwei Zhao Jiahui Yuan 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-NH11T, was isolated from muddy soil collected from a lake and characterized using a polyphasic approach. The 16S rRNA gene sequence analysis showed that strain NEAU-NH11T belongs to the genus Streptosporangium, and was most closely related to Streptosporangium amethystogenes subsp. amethystogenes DSM 43179T (99.0 %). Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain NEAU-NH11T formed a monophyletic clade with Streptosporangium purpuratum CY-15110T (98.3 %) and Streptosporangium yunnanense CY-11007T (98.0 %), an association that was supported by a bootstrap value of 80 % in the neighbour-joining tree and also recovered with the maximum-likelihood algorithm. However, the low level of DNA–DNA relatedness allowed the strain to be differentiated from S. amethystogenes subsp. amethystogenes DSM 43179T, S. purpuratum CY-15110T and S. yunnanense CY-11007T. Moreover, strain NEAU-NH11T could also be differentiated from its closest related strains by phenotypic characteristics. Therefore, it is proposed that strain NEAU-NH11T represents a novel Streptosporangium species, Streptosporangium nanhuense sp. nov. The type strain of S. nanhuense is NEAU-NH11T. (=CGMCC 4.7131T = DSM 46674T). |
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