MethaneHydrogenHydrogen BondingHydrogen PeroxideHydrogen SulfideMethylococcaceaeMethylococcus capsulatusEuryarchaeotaOxygenasesMethylosinus trichosporiumOxidation-ReductionArchaeaMethylocystaceaeEthaneAnaerobiosisMethanolHydrogen CyanideDNA, ArchaealGeologic SedimentsMethanosarcinalesFermentationBacteriaLactuloseAtmosphereModels, MolecularAcetatesMethanomicrobiaceaeGasesSoil MicrobiologyMolecular Sequence DataCarbon DioxideRNA, Ribosomal, 16SRumenMethanosarcinaceaeMethanobacteriaceaeBreath TestsMesnaMicrobial ConsortiaDeltaproteobacteriaOxidoreductasesSulfatesMethanomicrobialesFormatesMethylosinusWetlandsOxidantsGreenhouse EffectBeijerinckiaceaeHydrogen-Ion ConcentrationCatalaseEthyl EthersPhylogenyMethanosarcinaSeawaterSphagnopsidaKineticsDeuterium Exchange MeasurementTrichloroethyleneMethylomonasCystathionine gamma-LyaseSaturnButanesSulfidesBioreactorsBiodegradation, EnvironmentalBacteria, AnaerobicMethanobacteriumCrystallography, X-RayWaterTemperatureModels, ChemicalDNA, RibosomalHydrocarbonsOxygenCatalysisMolecular StructureProtein ConformationRNA, ArchaealFresh WaterCarbonExtraterrestrial EnvironmentSewageAlkanesulfonatesBeggiatoaSulfurGroundwaterAnimal FeedMethanobrevibacterSequence Analysis, DNA