Genomic analysis of Marinomonas algicola SM1966T reveals its role in marine sulfur cycling

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-08-01 DOI:10.1016/j.margen.2023.101043

Min Zhang , Xiao-Di Wang , Yue Lin , Shu-Yan Wang , Shan Zhang , Jin Cheng , Mei-Ling Sun , Peng Wang , Hui-Hui Fu , Chun-Yang Li , Nan Zhang

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引用次数: 0

Abstract

Dimethylsulfoniopropionate (DMSP) is a ubiquitous organosulfur molecule in marine environments with important roles in global sulfur and nutrient cycling, which is mainly produced by marine phytoplankton and macroalgae. Marinomonas algicola SM1966^T, a Gram-negative, aerobic and rod-shaped bacterium, was isolated from the surface of Ulva pertusa (Chlorophyta) algal sample collected off the coastal areas of Rongcheng, China. Here, we report the complete genome sequence of strain SM1966^T and its genomic characteristics to utilize DMSP, which may be produced by Ulva pertusa. The genome of strain SM1966^T contains one circular chromosome (4.3 Mbp) and one circular plasmid (149,271 bp). Genomic analysis showed that strain SM1966^T possesses a set of genes involved in DMSP transport, DMSP cleavage and the catabolism of acrylate, one product of DMSP cleavage. The results indicated that strain SM1966^T has the capacity to utilize DMSP and produce dimethyl sulfide (DMS), a volatile infochemical with important roles in global sulfur cycling. This study provides genetic insights into DMSP catabolism by algae-associated bacteria.

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褐藻藻SM1966T基因组分析揭示其在海洋硫循环中的作用

二甲基亚磺基丙酸酯（DMSP）是海洋环境中普遍存在的有机硫分子，在全球硫和营养循环中发挥着重要作用，主要由海洋浮游植物和大型藻类产生。从荣成沿海采集的水藻（Ulva pertusa，chlophyta）藻类样品中分离到一株革兰氏阴性、需氧、杆状的褐藻水藻SM1966T。在这里，我们报道了菌株SM1966T的完整基因组序列及其利用DMSP的基因组特征，该DMSP可能由白Ulva pertusa产生。菌株SM1966T的基因组包含一个环状染色体（4.3Mbp）和一个环状质粒（149271bp）。基因组分析表明，菌株SM1966T具有一组参与DMSP转运、DMSP裂解和DMSP裂解产物丙烯酸酯分解代谢的基因。结果表明，菌株SM1966T具有利用二甲基亚砜生产二甲基硫的能力，二甲基硫是一种在全球硫循环中发挥重要作用的挥发性信息化学物质。这项研究为藻类相关细菌分解代谢二甲基亚砜提供了遗传学见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.