Gynurincola endophyticus gen. nov., sp. nov., a novel bacterium of the family Chitinophagaceae

文献类型： 外文期刊

第一作者： Zhang, Xiumin

作者： Zhang, Xiumin;Song, Shuo;Tang, Lingjie;Wang, Yuhui;Li, Xiaojin;Yu, Xinrui;Zhang, Jinhua;Zhang, Liping;Zhang, Xiumin;Song, Shuo;Tang, Lingjie;Wang, Yuhui;Li, Xiaojin;Yu, Xinrui;Zhang, Jinhua;Zhang, Liping;Zhang, Xiumin;Song, Shuo;Tang, Lingjie;Wang, Yuhui;Li, Xiaojin;Yu, Xinrui;Zhang, Jinhua;Zhang, Liping;Zhang, Xiaoxia;Kwon, Soon-Wo

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关键词： Gynurincola endophyticus gen. nov., sp. nov.; a novel bacterium; family Chitinophagaceae

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 ）

ISSN： 1466-5026

年卷期： 2019 年 69 卷 3 期

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收录情况： SCI

摘要： A Gram-stain-negative, rod-shaped (0.2-0.4 mu m x 1.2-1.7 mu m), endophytic bacterium, designated HBUM1 79779(T), was isolated from the stem of a medicinal plant,Gynura bicolor, collected from Pixian county in Sichuan province, China. The strain did not produce endospores and its cells could secrete mucus. The predominant menaquinone was MK-7. The polar lipids were phosphatidylethanolamine, phosphatidylinositolmannosides, two unknown aminolipids, two unknown glycolipids and an unknown phospholipid. Branched fatty acids (iso-) and hydroxy fatty acids were the main fatty acids, which mainly included isoC(15).(0), ISO-C(15:1)G and iso-C-17:0 3-OH. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain HBUM1 79779(T) fell within the family Chitinophagaceae, and its closest neighbour was Pseudoflavitalea rhizosphaerae T16R-265 1(94.46 %). However, strain HBUM179779(T) did not make a coherent Glade with members of the recognized organisms. The average nucleotide identity value between strain HBUM1 79779(T) and Pseudoflavitalea rhizosphaerae T16R-265(T) was 67.1 %. On the basis of the phylogenetic and phenotypic characteristics of this bacterium, a novel genus and species, Gynurincola endophyticus gen. nov., sp. nov., is proposed. The type strain is HBUM179779(T)(=CGMCC 1.15525(T)=NBRC 112424(T)).

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