Mice, KnockoutMice, Inbred C57BLGene Knockout TechniquesPhenotypeMice, Inbred StrainsSpecies SpecificitySequence Analysis, DNADisease Models, AnimalMutationRNA, Ribosomal, 16SGene DeletionDNA, RibosomalBacterial Typing TechniquesEscherichia coliGenes, BacterialVirulenceGenotypeMice, TransgenicMolecular Sequence DataAmino Acid SequencePolymerase Chain ReactionCells, CulturedMice, 129 StrainGene TargetingDNA, BacterialAnti-Bacterial AgentsMicrobial Sensitivity TestsPlasmidsSignal TransductionRNA, MessengerCulture MediaSerotypingBase CompositionCrosses, GeneticGene Expression RegulationMice, Inbred BALB CTime FactorsReverse Transcriptase Polymerase Chain ReactionDNA PrimersGenes, rRNAGene Expression Regulation, BacterialLiverDrug Resistance, MicrobialGenome, BacterialBehavior, AnimalBase SequenceCloning, MolecularCell LineBlotting, WesternSoil MicrobiologyBrainNucleic Acid HybridizationFatty AcidsRNA, BacterialMembrane ProteinsGenetic VariationApolipoproteins EBacterial ProteinsGene ExpressionImmunohistochemistryHomozygoteCarrier ProteinsNeuronsCluster AnalysisHeterozygoteDNA FingerprintingRecombination, GeneticNerve Tissue ProteinsMotor ActivityAnimals, NewbornGenetic Complementation TestAntigens, BacterialStaphylococcus aureusElectrophoresis, Gel, Pulsed-FieldFermentationBacterial AdhesionPhylogenyMice, Mutant StrainsVirulence FactorsEmbryo, MammalianMacrophagesTranscription FactorsPolymorphism, Restriction Fragment LengthEscherichia coli InfectionsSpleenMutagenesis, InsertionalLungApoptosisTemperatureDrug Resistance, BacterialDNA Transposable ElementsKidneyBacterial ToxinsModels, AnimalWater MicrobiologyBiodegradation, EnvironmentalDose-Response Relationship, DrugSequence Homology, Nucleic AcidPseudomonasEscherichia coli Proteins