SulfurThiosulfatesSulfur CompoundsSulfidesSulfur IsotopesSulfur-Reducing BacteriaAcidithiobacillus thiooxidansThiobacillusHot SpringsRNA, Ribosomal, 16SSulfatesDNA, RibosomalHydrogen SulfideBase CompositionOxidation-ReductionEpsilonproteobacteriaGram-Negative Chemolithotrophic BacteriaAnaerobiosisSulfur DioxideAcidithiobacillusPhylogenyGenes, rRNAAmino Acids, SulfurWater MicrobiologyMolecular Sequence DataPetroleumGram-Negative Anaerobic BacteriaHydrogenHydrogensulfite ReductaseChromatiaceaeDNA, BacterialHot TemperatureGeologic SedimentsSulfitesSeawaterWyomingSequence Analysis, DNAGene Expression Regulation, ArchaealPhototrophic ProcessesPyrococcus furiosusCrenarchaeotaDesulfotomaculumSiberiaDesulfurococcaceaeSulfurtransferasesGammaproteobacteriaDeltaproteobacteriaDNA, ArchaealCulture MediaPeptococcaceaeDesulfovibrioMustard GasPiscirickettsiaceaeRNA, BacterialFresh WaterArchaeaBacteria, AnaerobicHydrogen-Ion ConcentrationBacterial Typing TechniquesBioreactorsRussiaFermentationHydrogenaseSulfur OxidesFerrous CompoundsThermococcusIronPacific OceanTemperatureBacteriaFerric CompoundsGram-Positive Endospore-Forming RodsSodium ChlorideOxidoreductasesTunisiaSpecies SpecificityNitratesChlorobiOxidoreductases Acting on Sulfur Group DonorsFatty AcidsThymidineCarbohydrate MetabolismSulfur HexafluorideSoil MicrobiologyMethionineFusariumPhenotypeKineticsMicroscopy, ElectronCarbon DioxideChemical Warfare AgentsCysteineElectron TransportNucleic Acid HybridizationTritiumCarbon IsotopesSulfur AcidsJapanChlorobiumLeucine