Methanogenesis
Methanogenesis
Methanogenesis (pronunciation: me-tha-no-gen-e-sis) is a biological process by which microorganisms produce methane as a metabolic byproduct in anoxic conditions. This process is common in environments such as wetlands, ruminant digestive systems, and some types of sediments.
Etymology
The term "Methanogenesis" is derived from the Greek words "methane" which means "marsh gas" and "genesis" which means "origin, creation".
Process
Methanogenesis is a form of anaerobic respiration used by organisms classified as methanogens. These organisms are in the domain Archaea, and they produce methane by reducing carbon dioxide, acetate, or other simple carbon compounds.
Role in the Environment
Methanogenesis plays a crucial role in the carbon cycle by removing excess hydrogen and fermentation products produced by other forms of anaerobic respiration. Methane produced by methanogenesis is also a significant greenhouse gas and plays a key role in global warming.
Related Terms
- Methanogens: Microorganisms that produce methane as a metabolic byproduct.
- Anaerobic Respiration: The process of creating energy without the presence of oxygen.
- Carbon Cycle: The process through which carbon compounds move through the earth's various systems.
- Greenhouse Gas: Gases in the earth's atmosphere that trap heat.
External links
- Medical encyclopedia article on Methanogenesis
- Wikipedia's article - Methanogenesis
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