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H2 dependent modulation of Mtr activity by small protein MtrR in Methanosarcina mazei
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Genetic Methods for Methanosarcina Species
2011Unlike most methanogenic microorganisms, Methanosarcina species are capable of utilizing a variety of growth substrates, a trait that greatly simplifies genetic analysis of the methanogenic process. The genetic tools and techniques discussed in this chapter form the basis for all genetic experiments in Methanosarcina acetivorans C2A and Methanosarcina ...
Nicole, Buan +2 more
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Applied Microbiology and Biotechnology, 1997
Two thermophilic strains, Methanosarcina thermophila TM-1 and Methanosarcina sp. SO-2P, were capable of mixotrophic growth on methanol and H2/CO2. Activated carbon was, however, found to be necessary to support good growth. Both strains used hydrogen and methanol simultaneously. When methanol was depleted, hydrogen utilization continued and methane was
Z. Mladenovska, B. K. Ahring
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Two thermophilic strains, Methanosarcina thermophila TM-1 and Methanosarcina sp. SO-2P, were capable of mixotrophic growth on methanol and H2/CO2. Activated carbon was, however, found to be necessary to support good growth. Both strains used hydrogen and methanol simultaneously. When methanol was depleted, hydrogen utilization continued and methane was
Z. Mladenovska, B. K. Ahring
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Two F 420 -reducing hydrogenases in Methanosarcina barkeri
Archives of Microbiology, 1998F420-reducing hydrogenases are nickel iron-sulfur flavoproteins involved in CO2 reduction with H2 to methane in methanogenic archaea. Evidence is presented that Methanosarcina barkeri contains two isoenzymes for which the encoding genes have been cloned and sequenced.
, Vaupel, , Thauer
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Pyruvate-dependent growth of Methanosarcina acetivorans
Journal of BacteriologyABSTRACT Methanogenesis is a key step during anaerobic biomass degradation. Methanogenic archaea (methanogens) are the only organisms coupling methanogenic substrate conversion to energy conservation. The range of substrates utilized by methanogens is limited, with acetate and H 2
Marcus Richter +3 more
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Reductive nitrosylation of Methanosarcina acetivorans protoglobin: A comparative study
Biochemical and Biophysical Research Communications, 2013Methanosarcina acetivorans is a strictly anaerobic non-motile methane-producing Archaea expressing protoglobin (Pgb) which might either facilitate O(2) detoxification or act as a CO sensor/supplier in methanogenesis. Unusually, M. acetivorans Pgb (MaPgb) binds preferentially O(2) rather than CO and displays anticooperativity in ligand binding.
Ascenzi, P +6 more
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