Molecular Sequence DataPhylogenyBase SequenceAmino Acid SequenceSpecies SpecificityTime FactorsMutationSequence Analysis, DNAEvolution, MolecularEscherichia coliGenetic VariationPhenotypePhysician Self-ReferralRNA, MessengerPolymerase Chain ReactionKineticsCloning, MolecularBacteriaCattleBacterial ProteinsCell LineUnited StatesSequence AlignmentDNA, BacterialAmino AcidsModels, MolecularAnti-Bacterial AgentsSequence Homology, Amino AcidMicrobial Sensitivity TestsDNAReproducibility of ResultsBinding SitesGenotypeBiological EvolutionPregnancyTreatment OutcomeProtein BindingMultigene FamilySequence Homology, Nucleic AcidCulture MediaBrainAge FactorsRecombinant ProteinsTranscription, GeneticTemperatureStructure-Activity RelationshipTissue DistributionModels, BiologicalDNA PrimersLiverRisk FactorsChromosome MappingSwineGenes, BacterialPhysician Incentive PlansSubstrate SpecificityEnd Stage Liver DiseasePlasmidsNeoplasmsAllelesCells, CulturedImmunohistochemistryModels, GeneticMutagenesis, Site-DirectedAntibodies, MonoclonalCluster AnalysisQuestionnairesProtein Structure, TertiaryConserved SequenceNucleic Acid HybridizationRetrospective StudiesDogsDose-Response Relationship, DrugSex FactorsGeographyMembrane ProteinsHydrogen-Ion ConcentrationDNA, ComplementaryProtein ConformationDNA, MitochondrialProteinsAnalysis of VarianceReverse Transcriptase Polymerase Chain ReactionEnterobacteriaceaeHealth Care RationingRabbitsInformed ConsentSheepFungiInfant, NewbornMammalsMolecular WeightSensitivity and SpecificityChickensKidneyGene ExpressionReimbursement, IncentiveGene Expression RegulationProspective StudiesDrug Resistance, Microbial