Penicillin ResistancePenicillinsDrug Resistance, ViralPenicillin GMutationStreptococcus pneumoniaeHIV ProteaseHIV-1Penicillin VAnti-HIV AgentsPneumococcal InfectionsPenicillin-Binding ProteinsAnti-Bacterial AgentsMicrobial Sensitivity TestsDrug Resistance, MicrobialMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesDrug Resistance, BacterialHIV InfectionsPoint MutationPenicillin G ProcainePenicillinaseMutation, MissensePenicillin AmidaseNeisseria gonorrhoeaeDrug ResistancePenicillin G BenzathineLactamsDrug Resistance, MultipleBacterial ProteinsSerotypingAminoacyltransferasesDrug Resistance, Multiple, BacterialErythromycinbeta-LactamasesMolecular Sequence DataTransformation, BacterialMacrolidesCarrier ProteinsAmpicillinStreptococcal InfectionsDrug Resistance, NeoplasmTetracyclineCefotaximeOxacillinFrameshift MutationNasopharynxStreptococcusPneumococcal VaccinesBase SequencePolymerase Chain ReactionDNA, Bacterialbeta-LactamsTransformation, GeneticGenes, BacterialPlasmidsMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalR FactorsStaphylococcusAmino Acid SequenceGerm-Line MutationStaphylococcus aureusDisease ResistanceCarrier StateEscherichia coliElectrophoresis, Gel, Pulsed-FieldRespiratory Tract InfectionsSpainNeisseria meningitidisCulture MediaCommunity-Acquired InfectionsVascular ResistancePedigreeSequence Analysis, DNAHaemophilus influenzaeGenotypeBacteriaBacteremiaPhenotypeMolecular EpidemiologyDNA FingerprintingCephalosporinsMutation RateAllelesTetracycline ResistanceAmino Acid SubstitutionExonsHeterozygoteMutagenesis, Site-DirectedDNA Mutational AnalysisBacterial Typing TechniquesStreptomycinCell LineMutagenesisbeta-Lactam ResistanceAnti-Infective AgentsPlant DiseasesDNA Primers