Streptomyces herbicida sp. nov., a novel actinomycete with antibacterial and herbicidal activity isolated from soil
文献类型： 外文期刊
作者： Luo, Yanfang 1 ; Ling, Ling 1 ; Zhang, Kun 1 ; Song, Zhengke 1 ; Zhang, Lida 1 ; Li, Jiaxin 1 ; Chen, Jie 2 ; Xiang, Wensheng 1 ; Wang, Xiangjing 1 ; Zhao, Junwei 1 ;
作者机构： 1.Northeast Agr Univ, Key Lab Agr Microbiol Heilongjiang Prov, 600 Changjiang Rd, Harbin 150030, Peoples R China
2.Zhejiang A&F Univ, Sch Forestry & Biotechnol, Hangzhou 311300, Peoples R China
3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
关键词： antibacterial and herbicidal activity; phylogenetic analysis; polyphasic approach; Streptomyces herbicida sp. nov.
期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.6 ）
ISSN： 1466-5026
年卷期： 2024 年 74 卷 2 期
页码：
收录情况： SCI
摘要： A novel actinobacterial strain (NEAU- HV9T) showing antibacterial activity against Ralstonia solanacearum and herbicidal activity against Amaranthus retroflexus L. was isolated from soil sampled in Bama yao Autonomous County, Hechi City, Guangxi Zhuang Autonomous Region. The strain is aerobic and Gram- positive. Phylogenetic analysis based on 16S rRNA gene sequence indicated that strain NEAU-HV9T belonged to the genus Streptomyces and showed high 16S rRNA sequence similarity to Streptomyces panaciradicis 1MR-8T (98.90%), Streptomyces sasae JR-39T (98.89 %) and Streptomyces barringtoniae JA03T (98.69 %) and less than 98.5 % similarity to other members of the genus Streptomyces. The cell wall of strain NEAU- HV9T contained iota iota- diaminopimelic acid and the whole - cell hydrolysates were galactose, mannose and ribose. The predominant menaquinones were composed of MK - 9(H2) and MK- 9(H8). The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol and phosphatidylinositol. The major fatty acids were C16:0, iso-C16: 0 and C17: 1 omega 8c. The genomic DNA G+C content of strain NEAU- HV9T was 70.6 mol%. Furthermore, the strain could be clearly distinguished from its closely related type strains by the combination of DNA-DNA hybridization results and some phenotypic characteristics. Meanwhile, strain NEAU- HV9T displayed herbicidal activity. Therefore, strain NEAU- HV9T represents a novel species within the genus Streptomyces, for which the name Streptomyces herbicida sp. nov. is proposed, with strain NEAU- HV9T (=CCTCCAA 2019088T=DSM 113364T) as the type strain.
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