LegionellaLegionella pneumophilaLegionnaires' DiseaseBacteriaLegionellosisWater MicrobiologyGram-Negative BacteriaGram-Positive BacteriaBacterial ProteinsDNA, BacterialAcanthamoeba castellaniiAir ConditioningHartmannellaMolecular Sequence DataBacteria, AnaerobicRNA, Ribosomal, 16SAcanthamoebaWater SupplyColony Count, MicrobialPhylogenySequence Analysis, DNADNA, RibosomalSanitary EngineeringCulture MediaBacteria, AerobicEscherichia coliGenes, BacterialImmunophilinsAnti-Bacterial AgentsAmoebaSpecies SpecificityGene Expression Regulation, BacterialBase SequenceBacteriological TechniquesLegionellaceaeAmino Acid Sequencerab1 GTP-Binding ProteinsFresh WaterRNA, BacterialSerotypingMacrophagesSoil MicrobiologyLung AbscessVirulencePolymerase Chain ReactionAntigens, BacterialBacterial Physiological PhenomenaGenome, BacterialBacterial Typing TechniquesPhagosomesGram-Negative Aerobic BacteriaAntibodies, BacterialGram-Negative Anaerobic BacteriaMicrobial Sensitivity TestsPneumonia, BacterialBathsSeawaterBacterial AdhesionBiofilmsMutationNeuronal Apoptosis-Inhibitory ProteinDisinfectionSulfur-Reducing BacteriaGenes, rRNASymbiosisEnvironmental MicrobiologyAgglutination TestsBacterial InfectionsBase CompositionBacterial LoadPseudomonasCloning, MolecularFatty AcidsMice, Inbred AWater PurificationTemperatureAnaerobiosisAir MicrobiologyWater PollutionEnterobacteriaceaePlasmidsDental EquipmentFlagellinDrinking WaterCharcoalHot TemperatureHost-Pathogen InteractionsMicrobial ViabilityVacuolesBiodegradation, EnvironmentalVirulence FactorsErythromycinNucleic Acid HybridizationSequence Homology, Amino AcidPhagocytosisHydrogen-Ion ConcentrationHot SpringsFluorescent Antibody TechniqueChlorineU937 Cells