Hydrogen SulfideGasesSulfidesCystathionine gamma-LyaseThiosulfatesSulfur OxidesChromatography, GasMustard GasGas Chromatography-Mass SpectrometrySulfurCystathionine beta-SynthaseSulindacPulmonary Gas ExchangeNoble GasesAllyl CompoundsGas PoisoningBlood Gas AnalysisSulfur CompoundsAlkynesOxidation-ReductionSulfatesGas, NaturalSulfonium CompoundsOrganothiophosphorus CompoundsOil and Gas FieldsPolychaetaGas GangreneSulfitesCadmium CompoundsAnaerobiosisCysteine SynthaseSulfurtransferasesCarbon DioxideOxygenThiobacillusCysteineQuinone ReductasesThiotrichaceaeChemical Warfare AgentsOxidoreductases Acting on Sulfur Group DonorsSulfur-Reducing BacteriaSulfur IsotopesDeltaproteobacteriaGeologyRNA, Ribosomal, 16SHalitosisBacteriaGeologic SedimentsFresh WaterEpsilonproteobacteriaBivalviaSulfhydryl CompoundsSeawaterHydrogenSulfoxidesEncephalomalaciaBiodegradation, EnvironmentalMethaneBioreactorsAir PollutantsTechnetium CompoundsWater MicrobiologyGarlicMethanosarcinaceaeChemoautotrophic GrowthMolecular Sequence DataPhylogenyChlorobiOxidoreductasesIron-Sulfur ProteinsHeliumMercury CompoundsDNA, RibosomalChromatiaceaeSulfhemoglobinZinc CompoundsFerrocyanidesAnnelidaIronGammaproteobacteriaPetroleumThioamidesHydrogen-Ion ConcentrationSulfite Reductase (NADPH)Hot SpringsEvolution, ChemicalDesulfovibrioGillsNitrogenMarine BiologyAnti-Inflammatory Agents, Non-SteroidalSequence Analysis, DNAFermentationCulture MediaArchaeaSpectrophotometryAminooxyacetic AcidCarbon MonoxideAerobiosisChromatium