Penicillin ResistanceStreptococcus pneumoniaePenicillinsStreptococcusStreptococcal InfectionsAnti-Bacterial AgentsMicrobial Sensitivity TestsErythromycinStreptococcus pyogenesDrug Resistance, BacterialPneumococcal InfectionsStreptococcus agalactiaePenicillin GKetolidesPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidasePenicillin VStreptococcus mutansHexosyltransferasesPeptidyl TransferasesDrug Resistance, MicrobialBacterial ProteinsMutationSerotypingPoint MutationPenicillin G ProcaineMolecular Sequence DataPenicillinaseMutation, MissenseDNA, BacterialNeisseria gonorrhoeaeAminoacyltransferasesPenicillin AmidaseLactamsDrug ResistanceDrug Resistance, Multiple, BacterialCarrier ProteinsStreptococcus suisDrug Resistance, MultiplePenicillin G BenzathineGenes, BacterialTransformation, BacterialMacrolidesPolymerase Chain Reactionbeta-LactamasesBase SequenceStreptococcus bovisSequence Analysis, DNANasopharynxStreptococcus mitisElectrophoresis, Gel, Pulsed-FieldCefotaximeAmpicillinPneumonia, PneumococcalAmino Acid Sequencebeta-LactamsTetracyclineBacterial Typing TechniquesStaphylococcus aureusStreptococcus oralisPneumococcal VaccinesStreptococcus equiOxacillinPlasmidsCulture MediaStaphylococcusEscherichia coliCarrier StateMoraxella (Branhamella) catarrhalisTransformation, GeneticDNA FingerprintingDrug Resistance, NeoplasmStreptococcus sobrinusEnterococcus faecalisGenotypeStreptococcus PhagesBacteriaR FactorsFrameshift MutationMolecular EpidemiologyPhenotypeBacteremiaCephalosporinsPhylogenyRespiratory Tract InfectionsStreptococcus gordoniiAnti-Infective AgentsStreptococcus thermophilusHaemophilus influenzaeSpainDrug Resistance, ViralCommunity-Acquired InfectionsVirulencePharyngitisSpecies SpecificityNeisseria meningitidisGerm-Line Mutationbeta-Lactam ResistanceTetracycline ResistanceFluoroquinolones