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Microbes and Methanogenesis

Microbes and Methanogenesis

Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...

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Related Experiment Video

Updated: May 1, 2026

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

[Methane-generating potential of coal samples with different maturity].

Qiao He, Chen Ding, Guizhong Li

Wei Sheng Wu Xue Bao = Acta Microbiologica Sinica

|April 5, 2014

Summary

This summary is machine-generated.

Coal bed samples show varying methane production potential. In situ microbial communities are key players in hydrocarbon degradation and methane generation within these environments.

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Related Experiment Videos

Last Updated: May 1, 2026

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

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Published on: June 12, 2019

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Quantitative Analysis by Thermogravimetry-Mass Spectrum Analysis for Reactions with Evolved Gases

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Published on: October 29, 2018

Area of Science:

Geomicrobiology
Biogeochemistry

Context:

Coal beds are significant unconventional energy resources.
Understanding microbial roles in coal beds is crucial for methane production optimization.

Purpose:

To assess methane generation potential in coal samples.
To characterize the native microbial communities within coal beds.

Summary:

Incubating coal samples under anaerobic conditions revealed methane production in 3 out of 10 samples.
Bioaugmentation and substrate addition enhanced methane yield in specific samples (e.g., HF).
Microbial analysis identified dominant archaeal genera (Methanoculleus, Methanosaeta) and bacterial phyla (Firmicutes, Proteobacteria).

Impact:

Demonstrates differential methane production potential across coal samples.
Highlights the involvement of in situ microbial consortia in hydrocarbon degradation and methane biogenesis.
Provides insights into microbial community structure influencing coal bed methane generation.