Mice, KnockoutPhenotypeDrug ResistanceDrug Resistance, MicrobialDrug Resistance, BacterialDrug Resistance, NeoplasmDrug Resistance, MultipleDisease ResistanceVascular ResistanceGene Knockout TechniquesDrug Resistance, ViralDrug Resistance, Multiple, BacterialAnti-Bacterial AgentsMice, Inbred C57BLMicrobial Sensitivity TestsMutationMolecular Sequence DataTetracycline ResistancePlant DiseasesPenicillin ResistanceDisease Models, AnimalAirway ResistanceDrug Resistance, FungalBacterial ProteinsTime Factorsbeta-Lactam ResistanceSignal TransductionImmunity, InnateResistance TrainingBase SequenceGenotypeMice, TransgenicEscherichia coliAerosolsCells, CulturedAmino Acid SequenceR FactorsRNA, MessengerDNA, BacterialInsulinP-GlycoproteinPlasmidsReverse Transcriptase Polymerase Chain ReactionGene DeletionAmpicillin ResistanceChloramphenicol ResistanceLiverLungPolymerase Chain ReactionGenes, BacterialApoptosisTetracyclineSequence Analysis, DNAModels, BiologicalCell Line, TumorCell LineBlotting, WesternImmunohistochemistryConjugation, GeneticComplement C3ATP-Binding Cassette TransportersDose-Response Relationship, DrugMethicillin ResistanceGene Expression RegulationMultidrug Resistance-Associated ProteinsAntineoplastic AgentsGene ExpressionMuscle, SkeletalAmyloid beta-PeptidesCephalosporin Resistance