Soil Pollutants, RadioactiveSoil PollutantsSoilSoil MicrobiologyAir PollutantsBacteriaEnvironmental PollutantsWater PollutantsGram-Negative BacteriaGram-Positive BacteriaWater Pollutants, ChemicalRNA, Ribosomal, 16SNitrogen DioxideOzoneAir PollutionBacteria, AnaerobicBiodegradation, EnvironmentalEnvironmental MonitoringSulfur DioxideDNA, BacterialPhylogenyParticulate MatterDNA, RibosomalMolecular Sequence DataEnvironmental ExposureSequence Analysis, DNAVehicle EmissionsBacterial ProteinsBacteria, AerobicWater MicrobiologyHydrocarbons, ChlorinatedEscherichia coliPolychlorinated BiphenylsEcosystemPolycyclic Hydrocarbons, AromaticOrganic ChemicalsGenes, rRNAMetals, HeavyEnvironmental PollutionTreesRNA, BacterialColony Count, MicrobialAir Pollution, IndoorBacterial Physiological PhenomenaCulture MediaCarbonGram-Negative Aerobic BacteriaPseudomonasGenes, BacterialPlant RootsBase CompositionEpidemiological MonitoringAnti-Bacterial AgentsGram-Negative Anaerobic BacteriaAir Pollutants, OccupationalFungiSeawaterFresh WaterBiomassParticle SizeSpecies SpecificityAnaerobiosisGeologic SedimentsAgricultureGene Expression Regulation, BacterialOxidants, PhotochemicalSymbiosisFertilizersIndustrial WastePetroleumNitrogenSulfur-Reducing BacteriaGenome, BacterialBiodiversityTemperatureCitiesBacterial Typing TechniquesBenzeneSeasonsEnvironmental RemediationProteobacteriaBase SequenceAerobiosisRespiratory Tract DiseasesHydrogen-Ion ConcentrationUnited States Environmental Protection AgencyAmino Acid SequenceHexachlorobenzeneCarbon MonoxideInhalation ExposurePolymerase Chain ReactionMethaneActinomycetalesBiotaOxidation-ReductionGasesFatty AcidsDenaturing Gradient Gel ElectrophoresisBacterial AdhesionGammaproteobacteria