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The research aims to explore the anaerobic oxidation of methane in marine sediments and its impact on microbial communities.

March 25, 2026ISME CommunicationsOpen Access

Anaerobic oxidation of methane supports a minimal microbial community in a Subsurface Biofilm at Ginsburg Mud Volcano

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The research aims to explore the anaerobic oxidation of methane in marine sediments and its impact on microbial communities.
Analyzed a sulfate-methane transition zone in deep marine sediments at Ginsburg mud volcano.
Conducted metagenomic and lipid biomarker assessments of the microbial community in a visible biofilm.
Measured carbon isotopic compositions to assess methane consumption.
Identified a dominant microbial community of ANME-1b archaea constituting 63% of biofilm.
Documented significant 13C-depletion, indicating high methane consumption.
Found low-abundance heterotrophs likely dependent on ANME-SRB metabolic outputs.

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Investigating anaerobic oxidation of methane in a subsurface biofilm, indicating a vital role in methane mitigation.

Collado et al. (2026) studied this question.

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