MethaneMethylococcaceaeMethylococcus capsulatusOxygenasesEuryarchaeotaMethylosinus trichosporiumHydrogenArchaeaMethylocystaceaeEthaneDNA, ArchaealMethanolGeologic SedimentsMethanosarcinalesAnaerobiosisOxidation-ReductionBacteriaAtmosphereMethanomicrobiaceaeMethanosarcinaceaeSoil MicrobiologyFermentationRumenMicrobial ConsortiaAcetatesRNA, Ribosomal, 16SMesnaMolecular Sequence DataMethanomicrobialesPhylogenyMethanobacteriaceaeMethylosinusWetlandsGreenhouse EffectBeijerinckiaceaeCarbon DioxideEthyl EthersDeltaproteobacteriaSphagnopsidaMethanosarcinaMethylomonasLactuloseTrichloroethyleneSeawaterSulfatesSaturnButanesSequence Analysis, DNAExtraterrestrial EnvironmentMethanobacteriumGasesHydrocarbonsDNA, RibosomalBiodegradation, EnvironmentalRNA, ArchaealOxidoreductasesBioreactorsBeggiatoaExobiologyInformation Storage and RetrievalBacteria, AnaerobicGroundwaterAlkanesulfonatesFresh Water