Sulfur DioxideSulfurSulfur CompoundsThiosulfatesNitrogen DioxideAir PollutantsSulfur IsotopesAir PollutionSulfidesCarbon DioxideSulfur OxidesSulfitesSulfur-Reducing BacteriaOzoneAcidithiobacillus thiooxidansAmino Acids, SulfurSulfatesAspartate Aminotransferase, CytoplasmicThiobacillusHydrogen SulfideOxidation-ReductionRNA, Ribosomal, 16SHot SpringsAspartate Aminotransferase, MitochondrialDNA, RibosomalVolcanic EruptionsEpsilonproteobacteriaBase CompositionCarbon Compounds, InorganicGram-Negative Chemolithotrophic BacteriaParticulate MatterAcidithiobacillusAnaerobiosisMustard GasSulfur AcidsAcid RainPhylogenyChromatiaceaeGenes, rRNASmokeRespiratory Tract DiseasesWater MicrobiologyEpidemiological MonitoringSilicon CompoundsEnvironmental MonitoringEnvironmental ExposureHydrogensulfite ReductaseCarbon MonoxideWeatherHydrogenPetroleumGram-Negative Anaerobic BacteriaOxidants, PhotochemicalSeawaterSulfurtransferasesSmogGeologic SedimentsMolecular Sequence DataDNA, BacterialPhototrophic ProcessesJupiterParticle SizeHot TemperatureSequence Analysis, DNAWyomingSulfuric AcidsRespiration DisordersGene Expression Regulation, ArchaealGasesNitric AcidGammaproteobacteriaCrenarchaeotaPyrococcus furiosusDesulfotomaculumDesulfurococcaceaeSiberiaGermany, EastDeltaproteobacteriaSeasonsDNA, ArchaealChlorobiCulture MediaDesulfovibrioPiscirickettsiaceaePeptococcaceaeAsthmaTemperatureOxidoreductases Acting on Sulfur Group DonorsFresh WaterNitrogen OxidesHydrogen-Ion ConcentrationArchaeaInhalation ExposureSulfur HexafluorideRNA, BacterialBacteria, AnaerobicMeteorological ConceptsPaperMetallurgyUrban Health