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首页> 外文期刊>Antonie van Leeuwenhoek >Streptosporangium sonchi sp. nov. and Streptosporangium kronopolitis sp. nov., two novel actinobacteria isolated from a root of common sowthistle (Sonchus oleraceus L.) and a millipede (Kronopolites svenhedind Verhoeff)
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Streptosporangium sonchi sp. nov. and Streptosporangium kronopolitis sp. nov., two novel actinobacteria isolated from a root of common sowthistle (Sonchus oleraceus L.) and a millipede (Kronopolites svenhedind Verhoeff)

机译：链霉菌属sonchi sp。十一月和链霉菌性支气管炎sp。十一月，两个新的放线菌从普通的蓟（Sonchus oleraceus L.）和千足虫（Kronopolites svenhedind Verhoeff）的根中分离

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摘要

Two novel actinobacteria, designated strains NEAU-QS7T and NEAU-ML10T, were isolated from a root of Sonchus oleraceus L. and a Kronopolites svenhedind Verhoeff specimen, respectively, collected from Wuchang, Heilongjiang Province, China. A polyphasic study was carried out to establish the taxonomic positions of these strains. The two strains were observed to form abundant aerial hyphae that differentiated into spherical spore vesicles. The phylogenetic analysis based on the 16S rRNA gene sequences of strains NEAU-QS7T and NEAU-ML10T showed that the two novel isolates exhibited 99.7 % 16S rRNA gene sequence similarity with each other and that they are most closely related to Streptosporangium shengliense NEAU-GH7T (99.1, 99.0 %) and Streptosporangium longisporum DSM 43180T (99.1, 99.0 %). However, the DNA–DNA hybridization value between strains NEAU-QS7T and NEAU-ML10T was 46.5 %, and the values between the two strains and their closest phylogenetic relatives were also below 70 %. With reference to phenotypic characteristics, phylogenetic data and DNA–DNA hybridization results, the two strains can be distinguished from each other and their closest phylogenetic relatives. Thus, strains NEAU-QS7T and NEAU-ML10T represent two novel species of the genus Streptosporangium, for which the names Streptosporangium sonchi sp. nov. and Streptosporangium kronopolitis sp. nov. are proposed. The type strains are NEAU-QS7T (=CGMCC 4.7142T =DSM 46717T) and NEAU-ML10T (=CGMCC 4.7153T =DSM 46720T), respectively.
机译：分别从Songchus oleraceus L.和Kronopolites svenhedind Verhoeff标本的根中分离出两个新的放线菌，分别命名为NEAU-QS7T和NEAU-ML10T菌株，该标本分别来自中国黑龙江省武昌。进行了多相研究以建立这些菌株的分类位置。观察到这两个菌株形成丰富的气生菌丝，其分化成球形孢子囊泡。根据菌株NEAU-QS7T和NEAU-ML10T的16S rRNA基因序列进行的系统进化分析表明，这两个新分离株之间显示出99.7％的16S rRNA基因序列相似性，并且它们与链霉菌升缘NEAU-GH7T（ 99.1，99.0％）和长链Streptosporangium DSM 43180T（99.1，99.0％）。但是，菌株NEAU-QS7T和NEAU-ML10T之间的DNA-DNA杂交值是46.5％，两个菌株及其最亲近系之间的值也低于70％。参照表型特征，系统发育数据和DNA-DNA杂交结果，可以区分这两个菌株及其最亲近的亲缘种。因此，菌株NEAU-QS7T和NEAU-ML10T代表链霉菌属的两个新种，其名称为链霉菌属sonchi sp。十一月和链霉菌性支气管炎sp。十一月被提议。类型菌株分别为NEAU-QS7T（= CGMCC 4.7142T = DSM 46717T）和NEAU-ML10T（= CGMCC 4.7153T = DSM 46720T）。

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  • 来源
    《Antonie van Leeuwenhoek》 |2015年第6期|1491-1499|共9页
  • 作者

    Zhaoxu Ma; Hui Liu; Chongxi Liu; Hairong He; Junwei Zhao; Xin Wang; Jiansong Li; Xiangjing Wang; Wensheng Xiang;

  • 作者单位

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection Chinese Academy of Agricultural Sciences">(2);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    Key Laboratory of Agriculture Biological Functional Gene of Heilongjiang Provincial Education Committee Northeast Agricultural University">(1);

    State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection Chinese Academy of Agricultural Sciences">(2);

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    Streptosporangium sonchi sp.nov.; Streptosporangium kronopolitis sp.nov.; Polyphasic taxonomy; 16S rRNA gene;

    机译：链霉菌链霉菌性肺炎多相分类法;16S rRNA基因;

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