从海洋软体动物中分离出的韩国Aureibaculum sp. 11 .和conchae sp. 11 .。

IF 2 3区 生物学 Q4 MICROBIOLOGY
Soo-Bin Kim, Kyung Hyun Kim, Jin-Sook Park
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引用次数: 0

摘要

同时性厌氧革兰氏阴性菌2210JD6-5T和2308TA14-22T分别从韩国的一种贝壳和一种海螺中分离得到,并进行了详细的分类分析。细胞表现出过氧化氢酶和氧化酶活性,不运动,呈杆状。这两种新菌株都是中温菌,在中性pH下生长最佳,并有轻微的嗜盐性。基于16S rRNA基因和全基因组序列的系统发育分析表明,菌株2210JD6-5T和2308TA14-22T隶属于Aureibaculum属。菌株2210JD6-5T和2308TA14-22T与亲缘关系最密切的型菌株的数字DNA-DNA杂交和平均核苷酸同源值均低于临界值。两株菌株的DNA G+C含量均为33.5 mol%。这两种菌株的优势细胞脂肪酸和唯一呼吸醌分别为iso-C15: 0、iso-C15: 1 G和iso-C17: 0 3-OH和MK-6。菌株2210JD6-5T和2308TA14-22T具有磷酸乙醇胺、氨基磷脂、未知氨基磷脂和未知脂质等极性脂质。基于系统发育、基因组亲缘性和化学分类特征,菌株2210JD6-5T和2308TA14-22T代表了Aureibaculum属内的一个新种,并将其命名为Aureibaculum koreense sp. nov (2210JD6-5T=KCTC 102167T=JCM 37322T)和Aureibaculum conchae sp. nov (2308TA14-22T=KCTC 102250T=JCM 37321T)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Aureibaculum koreense sp. nov. and Aureibaculum conchae sp. nov., isolated from the marine molluscs.

Facultative anaerobic Gram-negative bacteria, designated strains 2210JD6-5T and 2308TA14-22T, were isolated from a seashell and a marine conch, respectively, in the Republic of Korea, and subjected to detailed taxonomic analysis. The cells exhibited catalase and oxidase activity, were non-motile and were rod-shaped. Both novel strains were mesophilic, grew optimally at neutral pH and were slightly halophilic. Phylogenetic analyses based on 16S rRNA gene and whole-genome sequences demonstrated that strains 2210JD6-5T and 2308TA14-22T were affiliated with the genus Aureibaculum. The digital DNA-DNA hybridization and average nucleotide identity values between strains 2210JD6-5T and 2308TA14-22T and type strains of the most closely related species were below the cut-off thresholds. Both strains possessed DNA G+C contents of 33.5 mol%. The predominant cellular fatty acids and the sole respiratory quinone in these two strains were iso-C15 : 0, iso-C15 : 1 G and iso-C17 : 0 3-OH and MK-6, respectively. Strains 2210JD6-5T and 2308TA14-22T shared polar lipids, such as phosphoethanolamine, aminophospholipid, unidentified aminolipid and unidentified lipid. Based on phylogenetic, genomic relatedness and chemotaxonomic characteristics, strains 2210JD6-5T and 2308TA14-22T represent a novel species within the genus Aureibaculum, for which the names Aureibaculum koreense sp. nov. (2210JD6-5T=KCTC 102167T=JCM 37322T) and Aureibaculum conchae sp. nov. (2308TA14-22T=KCTC 102250T=JCM 37321T) are proposed.

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来源期刊
CiteScore
5.20
自引率
21.40%
发文量
426
审稿时长
1 months
期刊介绍: Published by the Microbiology Society and owned by the International Committee on Systematics of Prokaryotes (ICSP), a committee of the Bacteriology and Applied Microbiology Division of the International Union of Microbiological Societies, International Journal of Systematic and Evolutionary Microbiology is the leading forum for the publication of novel microbial taxa and the ICSP’s official journal of record for prokaryotic names. The journal welcomes high-quality research on all aspects of microbial evolution, phylogenetics and systematics, encouraging submissions on all prokaryotes, yeasts, microfungi, protozoa and microalgae across the full breadth of systematics including: Identification, characterisation and culture preservation Microbial evolution and biodiversity Molecular environmental work with strong taxonomic or evolutionary content Nomenclature Taxonomy and phylogenetics.
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