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Related to methanogen: Thermophiles
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archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane

References in periodicals archive ?
The mcrA gene, which is involved in methane production in methanogens, will be used in qPCR to examine the methanogen quantity present in vertical depth profile lake column samples taken from approximately the deepest point of each lake.
Although there is an apparent competition for acetate between the sulfate reducing and the methanogen populations, the growth of both groups with the different analyzed substrates may indicate the existence of a nutritional flexibility in which the generalists use a variety of carbon sources rather than competing for a common substrate.
Methanogens can live in other oxygen-starved environments, such as the bottom of lakes.
Methanobrevibacter smithii is the predominant methanogen in patients with constipation-predominant IBS and methane on breath.
The probable mechanism was that Fe(III) bioreduction lowered the reduction potential of the system and methanogenesis became favorable and in turn, methanogenesis stimulated the growth of methanogens, which enhanced Fe(III) bioreduction [18].
The genome sequence of the rumen methanogen Methanobrevibacter ruminantium reveals new possibilities for controlling ruminant methane emissions.
Methanogen inhibitors prevent conversion of the carboxylic acids to methane and carbon dioxide.
Most archea are still a mystery to scientists, but methane-producing archea, known as methanogens, are well known.
These systems are based on methanogens that consume H[sub.
The microbe that revealed its secret and eventually sparked a revolution in biology was considered at the time to be nothing more than an obscure type of bacterium known as a methanogen.
In addition to 16S rRNA genes, methyl coenzyme-M reductase subunit A, that is unique of methanogens, has been used as a phylogenetic marker gene to examine methanogen populations [27,28] including the ruminal methanogen populations (e.
Manure and crop residues probably stimulated the activity of methanogen that produce C[H.
All methanogen species displayed survival after exposure to low pressure, indicated by methane production in both original and transfer cultures following each experiment.
Materials required: for each group of 2-4 students, one envelope with labeled pictures (readily downloaded from the Internet) of the following organisms: cyanobacteria, Gram-positive bacteria, methanogen, halophile, thermophile, ciliate, flagellate, conifer, angiosperm, mushroom, mold, mammal, and arthropod.
In this paper we have utilized cellulose rich, Tapioca fiber waste via anaerobic fermentation--systematic dozing of methanogen rich inoculum, to improve Tapioca fiber processing.