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首页> 外文期刊>Systematic and Applied Microbiology >Motilibacter deserti sp. nov. and Motilibacter aurantiacus sp. nov., two novel actinobacteria isolated from soil of Cholistan Desert and emended description of the genus Motilibacter
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Motilibacter deserti sp. nov. and Motilibacter aurantiacus sp. nov., two novel actinobacteria isolated from soil of Cholistan Desert and emended description of the genus Motilibacter

机译:Motilibagersiafibacter sp。 11月。 和motilibacter aurantiacus sp。 11月。,两种新型肌动脉杆菌与胆小水沙漠土壤中分离出来,并考虑了Motilibacter的强化描述

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摘要

Two novel actinobacterial strains, designated as E257(T) and K478(T), were isolated from hyper-arid soil samples collected in Cholistan Desert, Pakistan. Comparative analysis of 16S rRNA genes showed that strains E257(T) and K478(T) were assigned to the genus Motilibacter, being their closest relative M. rhizosphaerae RS-16(T) with 97.3% and 96.7% similarities, respectively. The sequence similarity between strain E257(T) and K478(T) was 98.9%. Phylogenetic analysis based on 16S rRNA gene sequences and phylogenomic analysis based on multiple genes of conserved core proteins exhibited that these two strains belonged to the genus Motilibacter and formed a robust cluster separated from the two type species of the genus Motilibacter. Average Nucleotide Identity (ANI), Average Amino acid Identity (AAI), digital DNA-DNA hybridization (dDDH) values and Percentage of Conserved Proteins (POCP) calculated from the complete genome sequences indicated strains E257(T) and K478(T) were assigned into genus Motilibacter but clearly separated from each other and from the other species of the genus Motilibacter with values below the thresholds for species delineation. The two isolates were found to have chemotaxonomic, cultural and morphological properties consistent with their classification in the genus Motilibacter and also confirmed the differentiation from their closest species. The obtained results demonstrated that strains E257(T) and K478(T) represent two novel species of the genus Motilibacter, for which the names Motilibacter desertisp. nov. (type strain E257(T) = JCM 33651(T) = CGMCC 1.17159(T)) and Motilibacter aurantiacus sp. nov. (type strain K478(T) = JCM 33652(T) = CGMCC 1.17229(T)) are proposed. (C) 2020 Elsevier GmbH. All rights reserved.
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  • 来源
  • 作者单位

    Chinese Acad Med Sci &

    Peking Union Med Coll Inst Med Biotechnol Dept Microbial Chem Beijing 100050 Peoples R China;

    Chinese Acad Med Sci &

    Peking Union Med Coll Inst Med Biotechnol Dept Microbial Chem Beijing 100050 Peoples R China;

    Chinese Acad Med Sci &

    Peking Union Med Coll Inst Med Biotechnol Dept Microbial Chem Beijing 100050 Peoples R China;

    Univ Punjab Dept Microbiol &

    Mol Genet Quid I Azam Campus Lahore 54590 Pakistan;

    Univ Punjab Dept Microbiol &

    Mol Genet Quid I Azam Campus Lahore 54590 Pakistan;

    Guilin Med Univ Coll Basic Med Sci Guilin 541004 Peoples R China;

    Univ Punjab Dept Microbiol &

    Mol Genet Quid I Azam Campus Lahore 54590 Pakistan;

    Chinese Acad Med Sci &

    Peking Union Med Coll Inst Med Biotechnol Dept Microbial Chem Beijing 100050 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用微生物学;
  • 关键词

    Actinobacteria; Motilibacter; Genome comparison; Phylogeny; Taxonomy;

    机译:actinobacteria;motilibacter;基因组比较;系统发生;分类;

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