metanógenos

Metanógenos are microorganisms that produce methane as a metabolic byproduct in anoxic conditions. They belong to the domain Archaea, a distinct group of single-celled organisms separate from bacteria and eukaryotes. Metanógenos play a crucial role in various ecosystems, particularly in environments lacking oxygen such as swamps, sediments, and the digestive tracts of animals, including ruminants like cows and termites.

The process by which metanógenos generate methane is called methanogenesis. This metabolic pathway typically involves the reduction of carbon dioxide with hydrogen or the breakdown of organic compounds like acetate. Different species of metanógenos have evolved specialized enzymes and biochemical pathways to carry out these reactions efficiently in their specific habitats.

Metanógenos are vital for the global carbon cycle. By converting organic matter into methane, they prevent the accumulation of dead organic material in anoxic environments. Methane produced by metanógenos is a potent greenhouse gas, contributing to atmospheric warming, but it also serves as an energy source for other microorganisms in certain ecosystems. Their activity is also harnessed in industrial processes like anaerobic digestion for biogas production, a renewable energy source.