Anti-Bacterial AgentsPenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineMicrobial Sensitivity TestsDrug DiscoveryAntibiotic ProphylaxisStreptococcus pneumoniaePenicillin-Binding ProteinsDrug Resistance, MicrobialAmpicillinDrug Resistance, BacterialPenicillinaseCephalosporinsMuramoylpentapeptide Carboxypeptidasebeta-LactamsPeptidyl TransferasesErythromycinGentamicinsBacteriaHexosyltransferasesStreptococcal InfectionsStreptomycesAminoglycosidesPneumococcal InfectionsBacterial ProteinsNeisseria gonorrhoeaeTetracyclineCloxacillinBacterial InfectionsEscherichia coliCeftriaxoneLactamsCephaloridineStaphylococcus aureusCefotaximeMacrolidesbeta-LactamasesStreptomycinAntibiotics, AntineoplasticPharyngitisClindamycinDrug HypersensitivityAnti-Infective AgentsStreptococcusCephalothinDrug UtilizationDrug Resistance, Multiple, BacterialVancomycinGonorrheaChloramphenicolStaphylococcusAcremoniumAmoxicillinCarbenicillinCulture MediaMolecular Sequence DataKanamycinOxacillinFermentationEndocarditis, BacterialCefuroximeDNA, BacterialGram-Positive BacteriaPseudomonas aeruginosaStaphylococcal InfectionsPeptidoglycanPenicillanic AcidTonsillitisProteusLincomycinCiprofloxacinPenicilliumCefazolinEnterobacteriaceaeMutationSpectinomycinGram-Negative BacteriaAzithromycinCephalexinSequence Analysis, DNASerotypingMolecular StructureMethicillinChemistryTetracyclinesEnterococcus faecalisTobramycinChemical PhenomenaOxytetracyclineDrug Therapy, CombinationAmpicillin ResistanceStreptococcus pyogenesDicloxacillinGenes, BacterialBacteremia