Hot SpringsWyomingRNA, Ribosomal, 16SWater MicrobiologyGlyceryl EthersBalneologyAzoresRussiaDNA, RibosomalPhylogenyHot TemperatureCrenarchaeotaHealth ResortsFresh WaterArchaeal VirusesDNA, ArchaealChloroflexiGram-Positive RodsSequence Analysis, DNABase CompositionDesulfurococcaceaeArchaeaGenes, rRNAMolecular Sequence DataThermoanaerobacteriumDNA, BacterialChlorobiSulfurNatural SpringsIcelandAnoxybacillusNevadaSeasonsKorarchaeotaSulfidesBacteriaBacteria, AnaerobicChemoautotrophic GrowthGeologyBacterial Typing TechniquesTemperatureRNA, BacterialGeobacillusBacillaceaeThermoproteaceaeSulfolobalesHydrogenAcidianusGram-Negative Chemolithotrophic BacteriaCyanobacteriaSulfite DehydrogenaseSynechococcusMineral WatersSulfur OxidesEcosystemThermoanaerobacterBacteria, AerobicGeologic SedimentsAnaerobiosisFatty AcidsPigments, BiologicalHydrogen-Ion ConcentrationThermusSulfolobusVittaformaMetagenomicsBrevibacillusRNA, ArchaealHydrogenophilaceaeArsenate ReductasesHeterotrophic ProcessesFuselloviridaeJapanEctothiorhodospiraAerobiosisEctothiorhodospiraceaeSulfolobaceaeEquisetumCluster AnalysisTibetLegionellaLegionellosisRadonGram-Positive Asporogenous Rods, IrregularBiodiversityThiosulfatesSpecies SpecificitySulfur-Reducing BacteriaGenes, ArchaealBetaproteobacteria