Chitinophaga hostae sp. nov., isolated from the rhizosphere soil of Hosta piantaginea

文献类型： 外文期刊

第一作者： He, Shan-Wen

作者： He, Shan-Wen;Zhao, Ying-Ying;An, Lei;Huang, Jun-Hua;Zhang, Qi;Han, Ji-Gang;He, Shan-Wen;Zhao, Ying-Ying;An, Lei;Huang, Jun-Hua;Zhang, Qi;Han, Ji-Gang;He, Shan-Wen;Zhao, Ying-Ying;An, Lei;Huang, Jun-Hua;Zhang, Qi;Han, Ji-Gang;He, Shan-Wen;Ma, Rong;Zhang, Xiao-Xia

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关键词： Chitinophaga; Chitinophagaceae; Hosta piantaginea

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.689； 五年影响因子：2.925 ）

ISSN： 1466-5026

年卷期： 2022 年 72 卷 4 期

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收录情况： SCI

摘要： A Gram-negative, rod-shaped aerobic bacterium designated as strain 2R12(T) was isolated from the rhizosphere soil of Hosta plantaginea. Phylogenetic analyses based on the 16S rRNA gene revealed that strain 2R12(T) should be assigned to the genus Chitinophaga with the highest sequence similarity to Chitinophaga arvensicola DSM 3695(T) (99.1 %) and Chitinophaga ginsengisegetis DSM 18108(T) (98.6 %). The major fatty acids of strain 2R12(T) (>10 %) were iso-C-15:0, C-16:1 omega 5c and iso-C-17(:0) 3-OH. The major polar lipids were phosphatidylethanolamine, two unidentified aminolipids and five unidentified lipids. The predominant respiratory quinone was MK-7. The genomic DNA G+C content was 46.1 mol%. The average nucleotide identity values of strain 2R12(T) with C. arvensicola DSM 3695(T) and C. ginsengisegetis DSM 18108(T) were 77.9 and 78.8 %, respectively, while in silico DNA-DNA hybridization values for strain 2R12(T) with these strains were 22.8 and 23.3 %, respectively. Based on comparative analysis of phylogenetic, phylogenomic, phenotypic and chemotaxonomic characteristics, strain 2R12(T) represents a novel species in the genus Chitinophaga, for which the name Chitinophaga hostae sp. nov. is proposed. The type strain is 2R12(T) (= ACCC 61757(T) = JCM 34719(T)).

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