Verrucosispora sonchi sp nov., a novel endophytic actinobacterium isolated from the leaves of common sowthistle (Sonchus oleraceus L.)

文献类型： 外文期刊

第一作者： Zhao, Shanshan

作者： Zhao, Shanshan;Cao, Tingting;Liu, Chongxi;Gao, Yuhang;Yan, Kai;Xiang, Wensheng;Wang, Xiangjing;Huang, Ying;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 novel actinobacterium, designated strain NEAU-QY3(T), was isolated from the leaves of Sonchus oleraceus L. and examined using a polyphasic taxonomic approach. The organism formed single spores with smooth surface on substrate mycelia. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that the strain had a close association with the genus Verrucosispora and shared the highest sequence similarity with Verrucosispora qiuiae RtI1147T (99.17%), an association that was supported by a bootstrap value of 94% in the neighbour-joining tree and also recovered with the maximum-likelihood algorithm. The strain also showed high 16S rRNA gene sequence similarities to Xiangella phaseoli NEAU-J5(T) (98.780/o), Jishengella endophytica 202201(T) (98.51 0/o), Micromonospora ebumea LK2-10(T) (98.28 W), Verrucosispora lutea YIM 013(T) (98.23%) and Salinispora pacifica CNR-114(T) (98.23 W). Furthermore, phylogenetic analysis based on the gyrB gene sequences supported the conclusion that strain NEAU-QY3(T) should be assigned to the genus Verrucosispora. However, the DNA DNA hybridization relatedness values between strain NEAU-QY3(T) and V. qiuiae RtIII47(T) and V. lutea YIM 013(T) were below 70%. With reference to phenotypic characteristics, phylogenetic data and DNA DNA hybridization results, strain NEAU-QY3(T) was readily distinguished from its most closely related strains and classified as a new species, for which the name Verrucosispora sonchi sp. nov. is proposed. The type strain is NEAU-QY3(T) (=CGMCC 4.7312(T)=DSM 101530(T)).

分类号： Q

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