CyclacillinPenicillin ResistanceAmpicillinPenicillinsPenicillin GStreptococcus pneumoniaeAnti-Bacterial AgentsDrug Resistance, MicrobialMicrobial Sensitivity TestsPenicillin VDrug Resistance, BacterialAmpicillin ResistancePenicillin-Binding ProteinsPneumococcal InfectionsMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesDrug ResistancePenicillinasePenicillin G ProcaineDrug Resistance, MultipleDrug Resistance, Multiple, BacterialNeisseria gonorrhoeaePenicillin AmidaseLactamsDrug Resistance, Neoplasmbeta-LactamasesBacterial ProteinsPenicillin G BenzathineSerotypingTetracyclineErythromycinAminoacyltransferasesR FactorsDisease ResistanceTransformation, Bacterialbeta-LactamsStreptococcal InfectionsMutationDNA, BacterialVascular ResistanceMacrolidesCefotaximeDrug Resistance, ViralMolecular Sequence DataCarrier ProteinsSulbactamOxacillinStreptococcusEscherichia coliHaemophilus influenzaePlasmidsGenes, BacterialNasopharynxStaphylococcusTransformation, GeneticAmino AcidsMoraxella (Branhamella) catarrhalisPneumococcal VaccinesStaphylococcus aureusTetracycline ResistanceElectrophoresis, Gel, Pulsed-FieldCephalosporinsPneumonia, PneumococcalCulture MediaPivampicillinChloramphenicolBase SequenceBacteriaGentamicinsbeta-Lactam ResistancePolymerase Chain ReactionCarrier StateRespiratory Tract InfectionsSequence Homology, Amino AcidCommunity-Acquired InfectionsBacteremiaStreptomycinAmino Acid SequenceCloxacillinNeisseria meningitidisSpainEnterococcus faecalisChloramphenicol ResistancePlant DiseasesConjugation, GeneticEnterobacteriaceae