Penicillin ResistancePenicillinsRecombination, GeneticPenicillin GStreptococcus pneumoniaePenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsAnti-Bacterial AgentsMicrobial Sensitivity TestsMuramoylpentapeptide CarboxypeptidaseDrug Resistance, MicrobialHexosyltransferasesPeptidyl TransferasesDrug Resistance, BacterialPenicillin G ProcainePenicillinasePenicillin AmidaseNeisseria gonorrhoeaePenicillin G BenzathineLactamsMolecular Sequence DataBacterial ProteinsHomologous RecombinationSerotypingAminoacyltransferasesDrug ResistanceDrug Resistance, MultipleMutationTransformation, BacterialErythromycinDrug Resistance, Multiple, BacterialBase Sequencebeta-LactamasesPlasmidsStreptococcal InfectionsMacrolidesDNA, BacterialAmpicillinTransformation, GeneticTetracyclineCarrier ProteinsNasopharynxPneumococcal VaccinesCefotaximeStreptococcusCrossing Over, GeneticOxacillinRad52 DNA Repair and Recombination ProteinGenes, Bacterialbeta-LactamsDrug Resistance, NeoplasmV(D)J RecombinationMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalR FactorsStaphylococcusEscherichia coliMeiosisPolymerase Chain ReactionStaphylococcus aureusDNA RepairCarrier StateIntegrasesElectrophoresis, Gel, Pulsed-FieldDisease ResistanceAmino Acid SequenceModels, GeneticRespiratory Tract InfectionsNeisseria meningitidisRad51 RecombinaseChromosome MappingVascular ResistanceGene ConversionCommunity-Acquired InfectionsSequence Analysis, DNASpainHaemophilus influenzaeDrug Resistance, ViralCulture MediaRecombinasesBacteriaMolecular EpidemiologyBacteremiaDNA FingerprintingDNA-Binding ProteinsDNA NucleotidyltransferasesPhylogenyGenetic VariationCephalosporinsAllelesVDJ RecombinasesTetracycline ResistanceEvolution, MolecularDNA Breaks, Double-StrandedPhenotypeGenotypeBacterial Typing TechniquesSaccharomyces cerevisiaeCrosses, Genetic