Baia soyae gen. nov., sp nov., a mesophilic representative of the family Thermoactinomycetaceae, isolated from soybean root [Glycine max (L.) Merr]

文献类型： 外文期刊

第一作者： Guan, Xuejiao

作者： Guan, Xuejiao;Liu, Chongxi;Fang, Baozhu;Zhao, Junwei;Jin, Pinjiao;Li, Jinmeng;Jia, Feiyu;Wang, Xiangjing;Xiang, Wensheng;Xiang, Wensheng

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期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

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收录情况： SCI

摘要： A mesophilic, endophytic, filamentous bacterium, designated strain NEAU-gxj18(T), was isolated from soybean root [Glycine max (L.) Merr.] collected from Harbin, Heilongjiang Province, China and characterized using a polyphasic approach. Growth was observed at 20-40 degrees C (optimum 37 degrees C). Aerial mycelium was absent on all the media tested. Substrate mycelia were well-developed and formed abundant single endospores with smooth surfaces. The only menaquinone was MK-7.The diagnostic diamino acid was meso-diaminopimelic acid. The whole-cell sugars were ribose, glucose and galactose. The major fatty acids were iso-C-15 : 0, C-13 : 0 and iso-C-17 (:) (0). The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylethanolamine, phosphatidylglycerol, one unidentified aminophospholipid and one undientified phospholipid. The DNA G+C content was 49.9 mol%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain NEAU-gxj18T was phylogenetically related to members of the family Thermoactinomycetaceae, with the highest sequence similarity to Geothermomicrobium terrae YIM 77562(T) (93.35 %). On the basis of morphological and chemotaxonomic characteristics, phylogenetic analysis and characteristic patterns of 16S rRNA gene signature nucleotides, strain NEAU-gxj18(T). represents a novel species of a new genus within the family Thermoactinomycetaceae, for which the name Baia soyae gen. nov., sp. nov. is proposed. The type strain of the type species is NEAU-gxj18(T) (=CGMCC 4.7223(T)=DSM 46831(T)).

分类号： Q

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