methanogen


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to methanogen: Thermophiles

meth·an·o·gen

(meth-an'ō-jen),
Any methane-producing bacterium of the family Methanobacteriaceae.

methanogen

/meth·a·no·gen/ (meth´ah-nah-jen″) an anaerobic microorganism that grows in the presence of carbon dioxide and produces methane gas. Methanogens are found in the stomach of cows, in swamp mud, and in other environments in which oxygen is not present.

methanogen

(mə-thăn′ə-jən)
n.
Any of various anaerobic archaea that produce methane as a metabolic byproduct.

meth·an·o·gen

(meth-an'ō-jen)
Any methane-producing bacterium of the family Methanobacteriaceae.

methanogen

any BACTERIUM that can produce methane. The methanogens are found in the DOMAIN ARCHAEA, and form methane under anaerobic conditions, as an energy-yielding process.
References in periodicals archive ?
A concern with food additives is that the methanogens in the rumen might adapt to their new diet after a time and resume methane production at the same level.
Some rumen ciliates have endosymbiotic methanogens.
Researchers also sequenced the complete genome (not just rRNA fragments) of one methanogen, Methanococcus jannaschii, reporting their results in Science in 1996.
Luton PE, Wayne JM, Sharp RJ, Riley PW The mcrA gene as an alternative to 16S rRNA in the phylogenetic analysis of methanogen populations in landfill.
Methanogens live in swamps and marshes, but can also be found in the gut of cattle, termites and other herbivores as well as in dead and decaying matter.
Methanogens Single-celled organisms without a nucleus that feed off hydrogen and release methane gas and lack peptidoglycans in their cell walls.
The introduction of periodic dosing of Tapioca fiber residue in to HUASBR and Methanogen rich inoculum resulted 97% reduction of chemical oxygen demand in the reactor and amount of biogas produced in the digester reached ~7.
There is evidence in literature that plant secondary metabolites such as CTs are able to suppress methanogens (Waghorn, 2008; Hess et al.
The survival of these two methanogen species exposed to long-term freeze/thaw cycles suggests methanogens could potentially inhabit the subsurface of Mars.