Streptomyces polygonati sp. nov., an endophytic actinomycete isolated from a root of Polygonatum odoratum (Mill.)

International Journal of Systematic and Evolutionary Microbiology
Siyu GuoWensheng Xiang

Abstract

A novel actinomycete, designated strain NEAU-G9T, was isolated from the root of Polygonatum odoratum (Mill.), collected from Harbin, Heilongjiang province, north China and characterized using a polyphasic approach. Key morphological and chemotaxonomic properties confirmed the affiliation of strain NEAU-G9T to the genus Streptomyces. Strain NEAU-G9T contained LL-diaminopimelic acid as the diamino acid. The predominant menaquinones were MK-9(H8), MK-9(H6) and MK-9(H4). The phospholipid profile contained diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and phosphatidylinositol mannoside. The predominant fatty acids were iso-C16:0, anteiso-C15:0 and C16:0. 16S rRNA gene sequence similarity studies showed that strain NEAU-G9T belongs to the genus Streptomyces, and exhibits the highest sequence similarity to Streptomyces yanglinensis JCM 13275T (97.75 %). Whereas, phylogenetic analysis based on the 16S rRNA gene sequence indicated that it is most closely related to Streptomyces misakiensis JCM 4062T (97.12 % sequence similarity). A combination of DNA-DNA hybridization results and some phenotypic characteristics indicated that strain NEAU-G9T can be clearly distinguished from S. yanglinensis JCM 13275T and S. mis...Continue Reading

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Citations

Jul 10, 2016·International Journal of Systematic and Evolutionary Microbiology·Nattaporn KlykleungSomboon Tanasupawat
Oct 7, 2017·International Journal of Systematic and Evolutionary Microbiology·Onuma Kaewkla, Christopher Milton Mathew Franco

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