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  • Title: Sphaerimonospora triticiradicis sp. nov., a novel actinomycete isolated from a root of wheat (Triticum aestivum L.).
    Author: Han C, Hu J, Zhao J, Tian Y, Jiang S, Guo X, Xiang W, Wang X.
    Journal: Antonie Van Leeuwenhoek; 2019 Mar; 112(3):401-407. PubMed ID: 30238339.
    Abstract:
    A novel actinomycete, designated strain NEAU-HRGS1-10T, was isolated from a root of wheat (Triticum aestivum L.) collected from Zhumadian, Henan Province, Central China and characterised using a polyphasic approach. The organism was found to have morphological and chemotaxonomic characteristics typical of members of the genus Sphaerimonospora. The major menaquinones and the whole cell hydrolysates were identified as MK-9(H4) and MK-9(H2) and meso-diaminopimelic acid and madurose, respectively. The phospholipid profile was found to contain diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol, phosphatidylinositol mannosides, phosphatidylmonomethylethanolamine, a phosphoglycolipid, an unidentified lipid and an unidentified phospholipid. The major fatty acids were identified as iso-C16:0 and 10-methyl C17:0. The 16S rRNA gene sequence analysis showed that strain NEAU-HRGS1-10T is closely related to Sphaerimonospora mesophila JCM 3151T (99.0%), Sphaerimonospora cavernae NBRC 111481T (97.9%) and Sphaerimonospora thailandensis NBRC 107569T (97.4%). However, DNA-DNA relatedness, cultural and physiological and biochemical data showed that strain NEAU-HRGS1-10T can be distinguished from its close relatives. Therefore, it is proposed that strain NEAU-HRGS1-10T represents a novel species of the genus Sphaerimonospora, for which the name Sphaerimonospora triticiradicis sp. nov. is proposed. The type stain is NEAU-HRGS1-10T (= CGMCC 4.7401T = DSM 104915T).
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