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Methanogens: reevaluation of a unique biological group.
The present study focuses on the development and outline of a new treatment based on 16-year-old ribonucleic acid, as well as evidence in support of the new taxonomic treatment. Expand
FORMATION OF METHANE BY BACTERIAL EXTRACTS.
The oxidation of ethanol to acetate by cultures of Methunobacillus omelianskii was found by Barker to be dependent upon carbon dioxide (1) ; using C140Z, Stadtman and Barker demonstrated conclusively… Expand
New approach to the cultivation of methanogenic bacteria: 2-mercaptoethanesulfonic acid (HS-CoM)-dependent growth of Methanobacterium ruminantium in a pressureized atmosphere
A very sensitive and precise requirement for HS-CoM in the nutrition of this fastidious anaerobe is revealed. Expand
Isolation and pure culture of a freshwater magnetic spirillum in chemically defined medium
A bipolarly flagellated magnetotactic spirillum containing intracellular chains of single domain-sized magnetite crystals was isolated by applying a magnetic field to sediments from a freshwater… Expand
Methanococcus jannaschii sp. nov., an extremely thermophilic methanogen from a submarine hydrothermal vent
The isolation of M. jannaschii from a submarine hydrothermal vent provides additional evidence for biogenic production of CH4 from these deep-sea environments and a new species of the genus Methanococcus is proposed. Expand
A genetic system for Archaea of the genus Methanosarcina: liposome-mediated transformation and construction of shuttle vectors.
- W. Metcalf, J. Zhang, E. Apolinario, K. Sowers, R. Wolfe
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 18 March 1997
New methods that allow, for the first time, genetic analysis in Archaea of the genus Methanosarcina are presented and the complete 5467-bp DNA sequence of pC2A was determined. Expand
Unusual coenzymes of methanogenesis.
An isolated area of biochemistry has yielded some surprises — six new cofactors including the first nickel-tetrapyrrole and a new method of CO2 fixation.
Preparation of coenzyme M analogues and their activity in the methyl coenzyme M reductase system of Methanobacterium thermoautotrophicum.
A number of 2-(methylthio)ethanesulfonate (methyl-coenzyme M) analogues were synthesized and investigated as substrates for methyl-coenzyme M reductase, an enzyme system found in extracts of… Expand
VIOLOGEN DYE INHIBITION OF METHANE FORMATION BY METHANOBACILLUS OMELIANSKII
Low concentrations of methyl or benzyl viologen inhibit the formation of CH(4) from ethanol and CO(2) by washed cells of Methanobacillus omelianskii, and Hydrogen, which is normally formed from ethanol, accumulates in greater quantities when CH( 4) formation is inhibited by viologens. Expand
Methanobacillus omelianskii, a symbiotic association of two species of bacteria
The results indicate that M. omelianskii maintained in ethanol media is actually a symbiotic association of the two species. Expand