AcidithiobacillusAcidithiobacillus thiooxidansThiobacillusSulfurTetrathionic AcidGammaproteobacteriaSulfur CompoundsAzurinSulfidesOrganomercury CompoundsFerrous CompoundsIronMiningMercuryOxidation-ReductionBacterial ProteinsElectron Transport Complex IVOxidoreductasesGene Expression Regulation, BacterialMolecular Sequence DataOperonIron-Sulfur ProteinsCloning, MolecularHydrogen-Ion ConcentrationGenes, BacterialGenome, BacterialCulture MediaEscherichia coliDNA, BacterialRNA, Ribosomal, 16STungsten CompoundsElectron TransportAmino Acid SequenceSequence Analysis, DNA