Methanogens are microorganisms that produce methane as a metabolic byproduct in hypoxic conditions. They belong to the domain Archaea and are members...

Methanogen homoaconitase (EC 4.2.1.114, methanogen HACN) is an enzyme with systematic name (R)-2-hydroxybutane-1,2,4-tricarboxylate hydro-lyase ((1R...

ends by roughly 2,696 Ma. 3200 Paleoarchean Prokaryotic archaea (e.g. methanogens) and bacteria (e.g. cyanobacteria) diversify rapidly, along with early...

known. Instead they are often mutualists or commensals, such as the methanogens (methane-producing strains) that inhabit the gastrointestinal tract in...

them, and they only inhabit anoxic environments. A shared trait by all methanogens is their ability to recycle products. They can use the products of metabolic...

CO2   ΔG° = −36 kJ/mol This disproportionation reaction is catalysed by methanogen archaea in their fermentative metabolism. One electron is transferred...

Methanopyrus is a genus of methanogen, with a single described species, Methanopyrus kandleri. It is a rod-shaped hyperthermophile, discovered on the wall...

degrees C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation". Proceedings of the National Academy...

lactate cannot be directly used as substrates for methanogenesis by methanogens. On the other hand, fermentation of these organic compounds cannot occur...

respiration only known to be conducted by some members of the domain Archaea. Methanogens occur in landfills and soils, ruminants (for example, cattle), the guts...

igneous crust of the Fennoscandian Shield shifted from being dominated by methanogens to being primarily composed of sulphate-reducing prokaryotes. The change...

together with methanogens, as exemplified by the conversion of carbohydrates by a Methanosarcina barkeri and coculture of A. woodii. The methanogen takes up...

eruptions from the Siberian Traps – may have accelerated the evolution of methanogens towards the end of the Permian–Triassic extinction event. Microorganisms...

Anbar AD, Miller S, Hamilton TL, Lavin M, Peters JW (May 2011). "A late methanogen origin for molybdenum-dependent nitrogenase". Geobiology. 9 (3): 221–232...

wetlands are the ideal anaerobic environments for fermentation as well as methanogen activity. However, levels of methanogenesis fluctuates due to the availability...

creates a shift in biomass production from root to shoot, decreasing the methanogen population, and resulting in a reduction of methane emissions of up to...

Methanogens are a group of microorganisms that produce methane as a byproduct of their metabolism. They play an important role in the digestive system...

29, 2014. Retrieved July 29, 2014. .... That spike in nickel allowed methanogens to take off. "Nickel 203904". Sigma Aldrich. Archived from the original...

per 1 molecule of glucose). However, some anaerobic organisms, such as methanogens are able to continue with anaerobic respiration, yielding more ATP by...

hydrogen reduction of carbon dioxide. Methane can also be produced by methanogens, archaea that produce methane under anoxic conditions, in a process known...

this wide distribution is a group of unique cofactors that evolved in methanogens, which are restricted to this group of archaea. Metabolism involves a...

when E. coli lives together with hydrogen-consuming organisms, such as methanogens or sulphate-reducing bacteria. In addition, E. coli's metabolism can...

acids, obtaining more acetate and either hydrogen or formate. Finally, methanogens (in the domain Archea) convert acetate to methane. Fermentation reacts...

Methanogenium marinum is a psychrophilic, H2-using methanogen from Skan Bay, Alaska. Its cells are highly irregular, non-motile coccoids (diameter, 1 to...

providing an optimal microenvironment for sulfate-reducing bacteria and methanogens, ligninolytic, cellulolytic, and amylolytic fungi are prevalent in the...

cows, gas and burps are produced by methane-generating microbes called methanogens, that live inside the cow's digestive system. Proposals for reducing...

Kumar, J.I.; Joshi, C.G. (2015). "Exploring diet-dependent shifts in methanogen and methanotroph diversity in the rumen of Mehsani buffalo by a metagenomics...

stability. The evolution of the earliest organisms, likely anaerobic methanogen microbes, started the process by converting atmospheric hydrogen into...

ancestor. This universal ancestral cell was prokaryotic and probably a methanogen that had extensive amino acid, nucleotide, carbohydrate and lipid metabolism...

formation of methane coupled to energy conservation by microbes known as methanogens. Organisms capable of producing methane for energy conservation have...