Results 181 to 190 of about 20,145 (235)
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Biochemistry of Methanogenesis
Critical Reviews in Biochemistry and Molecular Biology, 1992Methane is a product of the energy-yielding pathways of the largest and most phylogenetically diverse group in the Archaea. These organisms have evolved three pathways that entail a novel and remarkable biochemistry. All of the pathways have in common a reduction of the methyl group of methyl-coenzyme M (CH3-S-CoM) to CH4.
James G Ferry
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The bioenergetics of methanogenesis
Biochimica et Biophysica Acta (BBA) - Reviews on Bioenergetics, 1984The reduction of CO2 or any other methanogenic substrate to methane serves the same function as the reduction of oxygen, nitrate or sulfate to more reduced products. These exergonic reactions are coupled to the production of usable energy generated through a charge separation and a protonmotive-force-driven ATPase.
Daniels, L., Sparling, R., Sprott, G.
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Methanogenesis in subglacial sediments
Environmental Microbiology Reports, 2010Summary Methanogenic archaea have a unique role in Earth's global carbon cycle as producers of the greenhouse gas methane (CH 4 ). However, despite the fact that ice covers 11% of Earth's continental landmass, evidence for methanogenic activity in subglacial environments has
Eric S, Boyd +4 more
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Methanogenesis and the unity of biochemistry
Cell, 1993David S. Weiss and Rudolf K. Thauer Laboratorium fur Mikrobiologie Philipps-Universitat and Max-Planck-lnstitut fur Terrestrische Mikrobiologie D-3550 Marburg Federal Republic of Germany A basic tenet of modern biochemistry is its unity, the idea that the physiology of organisms is highly varied, but the underlying chemistry of their metabolism is ...
Weiss, D. +1 more
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Biochemistry of methanogenesis
Experientia, 1982The recent and unexpected finding that methanogenic bacteria occupy an isolated biochemical island in the sea of procaryotes has added a touch of excitement to the study of these organisms1. This island is defined by such diverse biochemical qualities as: a very restricted range of oxidizable substrates coupled to the biosynthesis of methane; synthesis
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Inhibition of Methanogenesis by DDT
Nature, 1971Methanobacterium strain M.o.H. is a strict, anaerobic methane-forming bacterium which obtains its energy from the oxidation of hydrogen; the electrons generated are passed to CO2 which is reduced to CH4. Inhibition of CH4 biosynthesis by alkyl halides was first documented by Bauchop1 who reported that the addition of carbon tetrachloride, chloroform or
B C, McBride, R S, Wolfe
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Hexadecane decay by methanogenesis
Nature, 2000The potential for the biological conversion of long-chain saturated hydrocarbons to methane under anaerobic conditions has been demonstrated by using an enrichment culture of bacteria to degrade pure-phase hexadecane1. The formation of methane in hydrocarbon-rich subsurface zones could be explained if a similar conversion of long-chain alkanes to ...
Lovley, Derek, Anderson, Robert T
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Control of rumen methanogenesis
Environmental Monitoring and Assessment, 1996During the last decades, considerable research on methane production in the rumen and its inhibition has been carried out. Initially, as methane production represents a significant loss of gross energy in the feed (2-15%), the ultimate goal of such intervention in rumen fermentation was an increase in feed efficiency. A second reason favouring research
C J, Van Nevel, D I, Demeyer
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UNUSUAL COENZYMES OF METHANOGENESIS
Annual Review of Biochemistry, 1990Abstract An isolated area of biochemistry has yielded some surprises — six new cofactors including the first nickel-tetrapyrrole and a new method of CO 2 fixation.
A A, DiMarco, T A, Bobik, R S, Wolfe
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