Penicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaePenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsMutationAnti-Bacterial AgentsMicrobial Sensitivity TestsMuramoylpentapeptide CarboxypeptidaseDrug Resistance, MicrobialHexosyltransferasesPeptidyl TransferasesPoint MutationDrug Resistance, BacterialMutation, MissensePenicillin G ProcainePenicillinasePenicillin AmidaseNeisseria gonorrhoeaePenicillin G BenzathineLactamsDrug ResistanceBacterial ProteinsAminoacyltransferasesDrug Resistance, MultipleSerotypingMolecular Sequence DataFrameshift MutationDrug Resistance, Multiple, BacterialErythromycinPolymerase Chain ReactionCarrier ProteinsBase SequenceTransformation, Bacterialbeta-LactamasesMacrolidesDNA Mutational AnalysisStreptococcal InfectionsAmpicillinGerm-Line MutationPedigreeTetracyclineNasopharynxCefotaximePneumococcal VaccinesDrug Resistance, NeoplasmOxacillinStreptococcusTransformation, GeneticDNA, Bacterialbeta-LactamsGenes, BacterialPolymorphism, Single-Stranded ConformationalAmino Acid SequenceHeterozygoteMoraxella (Branhamella) catarrhalisPlasmidsPneumonia, PneumococcalExonsR FactorsStaphylococcusPhenotypeGenotypeDrug Resistance, ViralSequence Analysis, DNAStaphylococcus aureusCarrier StateDisease ResistanceElectrophoresis, Gel, Pulsed-FieldSpainRespiratory Tract InfectionsEscherichia coliNeisseria meningitidisAllelesVascular ResistanceCommunity-Acquired InfectionsCulture MediaMutation RateHaemophilus influenzaeGenes, p53Molecular EpidemiologyAmino Acid SubstitutionBacteremiaDNA FingerprintingHomozygoteBacteriaGenetic TestingCodon, NonsenseCephalosporinsDNA PrimersTetracycline ResistanceMutagenesis, Site-DirectedMutagenesisBacterial Typing TechniquesSequence DeletionGenes, RecessiveGene DeletionChromosome Mapping