Penicillin ResistanceNeisseria gonorrhoeaePenicillinsGonorrheaPenicillin GStreptococcus pneumoniaeMicrobial Sensitivity TestsAnti-Bacterial AgentsPenicillinasePenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsDrug Resistance, MicrobialSpectinomycinMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesNeisseria meningitidisPeptidyl TransferasesDrug Resistance, BacterialNeisseriaComplement C4b-Binding ProteinBacterial ProteinsPenicillin G ProcaineBacterial Outer Membrane ProteinsPenicillin AmidaseDNA, BacterialBlood Bactericidal ActivityDrug ResistanceSerotypingLactamsPenicillin G BenzathineMolecular Sequence DataSpecies SpecificityDrug Resistance, MultipleAntigens, BacterialAminoacyltransferasesErythromycinDrug Resistance, Multiple, Bacterialbeta-LactamasesTransformation, BacterialStreptococcal InfectionsMacrolidesAmpicillinTetracyclineMutationStreptococcusGenes, BacterialCarrier ProteinsCefotaximeOxacillinDrug Resistance, NeoplasmNasopharynxbeta-LactamsPneumococcal VaccinesTransformation, GeneticStaphylococcusR FactorsPlasmidsStaphylococcus aureusMoraxella (Branhamella) catarrhalisElectrophoresis, Gel, Pulsed-FieldPneumonia, PneumococcalCulture MediaBacterial Typing TechniquesEscherichia coliCarrier StatePolymerase Chain ReactionDisease ResistanceSequence Analysis, DNADNA FingerprintingRespiratory Tract InfectionsAmino Acid SequenceBacteriaHaemophilus influenzaeDrug Resistance, ViralMolecular EpidemiologyCommunity-Acquired InfectionsSpainVascular ResistanceBacteremiaCephalosporinsBase SequencePhenotypeTetracycline ResistanceStreptomycinPlant DiseasesMice, Inbred StrainsVirulenceGenotypeAnti-Infective Agentsbeta-Lactam ResistanceGentamicinsAmpicillin ResistanceRNA, Ribosomal, 16SDrug Resistance, FungalCeftriaxoneChloramphenicolTime FactorsConjugation, GeneticCloxacillin