Proteomics

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Responses to different sulfur sources reveal the complicated and interlinked sulfur metabolism pathways of a deep-sea sulfate reducing bacterium

ABSTRACT: Sulfur metabolism in the deep-sea cold seep has been mentioned to have an important contribution to the biogeochemical cycle of sulfur in previous studies. And sulfate reducing bacteria have also been considered to be a dominant microbial population in the deep-sea cold seep and play a crucial role in this process. However, most of sulfate reducing bacteria from cold seep still cannot be purely cultured under laboratory conditions, therefore the actual sulfur metabolism pathways in sulfate reducing bacteria from the deep-sea cold seep have remained unclear. Here, we isolate and pure culture a typical sulfate reducing bacterium Desulfovibrio marinus CS1 from the sediment sample of the deep-sea cold seep in the South China Sea, which provides a probability to understand the sulfur metabolism in the cold seep.

INSTRUMENT(S): Q Exactive Plus

ORGANISM(S): Desulfovibrio Marinus

TISSUE(S): Cell Culture

SUBMITTER: Rui Liu  

LAB HEAD: Rui liu

PROVIDER: PXD023247 | Pride | 2024-06-16

REPOSITORIES: Pride

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Publications

A deep-sea sulfate-reducing bacterium generates zero-valent sulfur via metabolizing thiosulfate.

Liu Rui R   Shan Yeqi Y   Xi Shichuan S   Zhang Xin X   Sun Chaomin C  

mLife 20220923 3

Zero-valent sulfur (ZVS) is a crucial intermediate in the sulfur geobiochemical circulation and is widespread in deep-sea cold seeps. Sulfur-oxidizing bacteria are thought to be the major contributors to the formation of ZVS. However, ZVS production mediated by sulfate-reducing bacteria (SRB) has rarely been reported. In this study, we isolated and cultured a typical SRB designated <i>Oceanidesulfovibrio marinus</i> CS1 from deep-sea cold seep sediment in the South China Sea. We show that <i>O.  ...[more]

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