Research progress on microbial diversity in seafloor hydrothermal chimneys

PIAN Zeyu; SU Lei; ZHANG Yan; WANG Peng; LI Jiangtao

doi:10.16562/j.cnki.0256-1492.2024032601

2025 Vol. 45, No. 3

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Article navigation > Marine Geology & Quaternary Geology > 2025 > 45(3): 72-82

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PIAN Zeyu, SU Lei, ZHANG Yan, WANG Peng, LI Jiangtao. Research progress on microbial diversity in seafloor hydrothermal chimneys[J]. Marine Geology & Quaternary Geology, 2025, 45(3): 72-82. doi: 10.16562/j.cnki.0256-1492.2024032601

Citation:

PIAN Zeyu, SU Lei, ZHANG Yan, WANG Peng, LI Jiangtao. Research progress on microbial diversity in seafloor hydrothermal chimneys[J]. Marine Geology & Quaternary Geology, 2025, 45(3): 72-82. doi: 10.16562/j.cnki.0256-1492.2024032601

Research progress on microbial diversity in seafloor hydrothermal chimneys

State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China

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Corresponding author: LI Jiangtao, jtli@tongji.edu.cn

Received Date: 26 March 2024

Revised Date: 01 May 2024

Publish Date: 28 June 2025

Abstract

Abstract

Seafloor hydrothermal vents serve as crucial conduits for material and energy exchange between the Earth's interior and the ocean, with their geological background playing a pivotal role in determining the chemical composition of the expelled fluid. Hydrothermal chimney stands as a quintessential structural and ecological unit within submarine hydrothermal vents, housing a diverse array of microbial groups with varying physiological functions. These microorganisms can use the chemical imbalance between high-temperature hydrothermal solution and low-temperature seawater or through weathering of various sulfide minerals to obtain the energy necessary to maintain their metabolism, and they are selectively distributed in various ecological niches in the chimney body along big environmental gradients of temperature, pH, Eh, and reducing compound concentration. Through high-throughput sequencing and omics analysis, it has been revealed that the nutrient metabolism types driving microbial life processes within the chimney encompass sulfur oxidation, sulfur reduction, methane oxidation, methane production, hydrogen nutrition, iron oxidation, nitrification and denitrification, and various other chemoautotrophic metabolic pathways, which suggests their potential significance in shaping the global element cycle. This paper provides a comprehensive and systematic overview of the microbiomes present in hydrothermal chimneys worldwide, including their distribution characteristics and variation patterns, contributing to the comprehensive and systematic understanding on hydrothermal microbial survival strategies, environmental adaptation mechanisms, and geochemical cycles involving hydrothermal microorganisms.
- deep sea hydrothermal system /
- hydrothermal sulfide /
- microbial diversity /
- thermophilic microorganism

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References

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