Penicillin ResistancePenicillinsDrug Resistance, ViralMutationPenicillin GStreptococcus pneumoniaePoint MutationHIV ProteaseMutation, MissenseHIV-1Penicillin VAnti-HIV AgentsPneumococcal InfectionsAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin-Binding ProteinsDrug Resistance, MicrobialMuramoylpentapeptide CarboxypeptidaseDrug Resistance, BacterialHexosyltransferasesPeptidyl TransferasesHIV InfectionsPenicillin G ProcainePenicillinaseFrameshift MutationPenicillin AmidaseNeisseria gonorrhoeaeDrug ResistanceBacterial ProteinsPenicillin G BenzathineLactamsGerm-Line MutationMolecular Sequence DataDrug Resistance, MultipleBase SequenceAminoacyltransferasesSerotypingDrug Resistance, Multiple, BacterialPolymerase Chain ReactionErythromycinCarrier ProteinsPedigreeTransformation, Bacterialbeta-LactamasesAmino Acid SequenceMacrolidesDrug Resistance, NeoplasmAmpicillinStreptococcal InfectionsTetracyclineMutation RateGenes, BacterialPlasmidsDNA, BacterialCefotaximeTransformation, GeneticOxacillinEscherichia coliNasopharynxStreptococcusPneumococcal VaccinesExonsAmino Acid SubstitutionGenotypebeta-LactamsSequence Analysis, DNAHeterozygoteAllelesDNA Mutational AnalysisR FactorsMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalMutagenesis, Site-DirectedStaphylococcusPhenotypeStaphylococcus aureusPolymorphism, Single-Stranded ConformationalMutagenesisDisease ResistanceCarrier StateElectrophoresis, Gel, Pulsed-FieldHomozygoteSpainRespiratory Tract InfectionsCulture MediaCodon, NonsenseCell LineDNA PrimersNeisseria meningitidisChromosome MappingCommunity-Acquired InfectionsGenes, RecessiveVascular ResistanceHaemophilus influenzaeBacteriaModels, MolecularCloning, MolecularProtein Structure, TertiaryGenes, DominantMolecular Epidemiology