Penicillin ResistancePenicillinsPenicillin GAnti-Bacterial AgentsDrug Resistance, MicrobialDrug Resistance, BacterialPenicillin VMicrobial Sensitivity TestsStreptococcus pneumoniaeDrug ResistancePenicillin-Binding ProteinsPneumococcal InfectionsPenicillin G ProcainePenicillin AmidaseDrug Resistance, Multiple, BacterialMuramoylpentapeptide CarboxypeptidasePeptidyl TransferasesDrug Resistance, MultipleHexosyltransferasesPenicillin G BenzathineMutationBacterial ProteinsPenicillinaseNeisseria gonorrhoeaeDrug Resistance, NeoplasmTetracyclineErythromycinPoint MutationAmpicillinDNA, Bacterialbeta-LactamasesMutation, MissenseR FactorsLactamsMolecular Sequence DataEscherichia coliGenes, BacterialPlasmidsDisease ResistanceTetracycline ResistanceSerotypingMacrolidesDrug Resistance, Viralbeta-LactamsStreptococcal InfectionsVascular ResistanceTransformation, BacterialStaphylococcus aureusStreptomycinBacteriaPolymerase Chain ReactionCefotaximeStaphylococcusBase SequenceAminoacyltransferasesConjugation, GeneticCarrier Proteinsbeta-Lactam ResistanceStreptococcusOxacillinCephalosporinsAmpicillin ResistanceSequence Analysis, DNAAmino Acid SequenceAminoglycosidesElectrophoresis, Gel, Pulsed-FieldTransformation, GeneticNasopharynxGentamicinsChloramphenicol ResistanceKanamycinAnti-Infective AgentsPhenotypeCulture MediaPneumococcal VaccinesChloramphenicolSpectinomycinBacterial InfectionsGenotypeAntibiotic ProphylaxisIntegronsPneumonia, PneumococcalMoraxella (Branhamella) catarrhalisPseudomonas aeruginosaEnterobacteriaceaeCommunity-Acquired InfectionsBacteremiaCiprofloxacinCarrier StateHaemophilus influenzaeClindamycinPlant DiseasesFrameshift MutationRespiratory Tract InfectionsDNA FingerprintingSpainDrug Resistance, FungalGram-Negative BacteriaGene Expression Regulation, BacterialCeftriaxone