Complete genome sequence of piezotolerant Stutzerimonas kunmingensis 7850S isolated from the sediment of the Mariana Trench

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-12-01 DOI:10.1016/j.margen.2022.100996

Jia-Wei Wang , Kun Shang , Sheng-Yi Wu , Bo-Yu Zhu , Mei-Gui Han , Yuan Zhao , Yi-Qiu Chen , Jia Xie , Bo Huang , Zhuang Han

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Abstract

Stutzerimonas kunmingensis 7850S is a piezotolerant bacterium isolated from the sediment of the Mariana trench. Here, we described the complete genome of strain 7850S, which contains a single circular chromosome of 4,775,870 base pairs with 62.66% G + C content, and harbors 4494 protein-coding genes, 65 transfer RNA genes, and 12 ribosomal RNA genes. The experimental results showed that strain 7850S could grow under hydrostatic pressure of 0.1–70 MPa. Genomic analyses led to identifications of numbers of high hydrostatic pressure-associated genes, such as the ones associated with unsaturated fatty acids, betaine, and ectoine. A complete set of denitrification genes and some heavy metal detoxification genes were also found in this strain. The presence of these genes suggests metabolic characteristics for adaption to hadal environments and provides insights to further understand adaption strategies and ecological roles of Stutzerimonas in hadal environments.

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从马里亚纳海沟沉积物中分离出的耐压性kunmingstutzerimensis 7850S的全基因组序列

昆明Stutzerimonas kunmingensis 7850S是一种从马里亚纳海沟沉积物中分离出来的耐压细菌。本研究描述了菌株7850S的完整基因组，该基因组包含一条单圆形染色体，长度为4,775,870个碱基对，G + C含量为62.66%，包含4494个蛋白质编码基因、65个转移RNA基因和12个核糖体RNA基因。实验结果表明，菌株7850S在0.1 ~ 70 MPa的静水压力下能够生长。基因组分析鉴定出大量与高静水压力相关的基因，如与不饱和脂肪酸、甜菜碱和外托碱相关的基因。在该菌株中还发现了一套完整的反硝化基因和一些重金属脱毒基因。这些基因的存在提示了细菌适应hadal环境的代谢特征，为进一步了解Stutzerimonas在hadal环境中的适应策略和生态作用提供了见解。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.