Description of two novel anaerobic members in the family Clostridiaceae, Anaeromonas gelatinilytica gen.nov., sp. nov., and Anaeromonas frigoriresistens sp. nov., isolated from saline lake sediment

文献类型： 外文期刊

第一作者： Zhang, Ran

作者： Zhang, Ran;Wang, Jiayan;Zhao, Zhe;Xamxidin, Maripat;Wu, Min;Zhang, Guishan;Xu, Lin;Xu, Lin

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关键词： Anaeromonas gen. nov.; Anaeromonas gelatinilytica sp. nov.; Anaeromonas frigoriresistens sp. nov.; polyphasic taxonomy

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 5 期

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收录情况： SCI

摘要： Y Cells of members of the family Clostridiaceae, phylum Firmicutes, are generally obligate anaerobic rods. Strains D2Q-14(T) and D2Q-11(T) were isolated from sediment of the saline lake Manisi in the Xinjiang Uygur Autonomous Region, PR China. In this study, we employed a polyphasic approach and whole genome analysis of the two isolates. Cells of both isolates were Gram-stain-positive rods that were motile by means of flagella and could utilize sulphate, thiosulphate, elemental sulphur and nitrate as electron acceptors. Phylogenetic analyses based on 16S rRNA gene and whole genome sequences indicated that strains D2Q-14(T) and D2Q-11(T) constituted a coherent cluster affiliated to the family Clostridiaceae. In addition, genome analysis revealed that strain D2Q-14(T)harboured one nonribosomal peptide synthetase gene cluster, making up 1.4% of the entire genome. The genome-based analysis, including average nucleotide identity, average amino acid identity and in silico DNA-DNA hybridization, biochemical, phenotypic and chemotaxonomic characterization, indicated that strains D2Q-14(T) and D2Q-11(T) represented two novel species of a novel genus in the family Clostridiaceae, for which we propose the names Anaeromonas gelatinilytica gen. nov., sp. nov. and Anaeromonas frigoriresistens sp. nov., with the type strains D2Q-14(T) (=KCTC 15986(T)=MCCC 1K04634(T)) and D2Q-11(T) (=KCTC 15985(T)=MCCC 1K04391(T)), respectively.

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