PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidaseBacteriaPenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsStreptococcus pneumoniaePenicillin-Binding ProteinsPenicillinaseGram-Negative BacteriaGram-Positive BacteriaMuramoylpentapeptide CarboxypeptidaseAmpicillinBacterial ProteinsCephalosporinsDrug Resistance, MicrobialPeptidyl TransferasesHexosyltransferasesPneumococcal InfectionsStreptococcal InfectionsBacteria, AnaerobicNeisseria gonorrhoeaeEscherichia coliDNA, BacterialMolecular Sequence DataStreptococcusDrug Resistance, BacterialErythromycinCloxacillinCulture Mediabeta-LactamsGonorrheaDrug HypersensitivityCeftriaxoneCefotaximeAcremoniumbeta-LactamasesBacteria, AerobicStaphylococcusRNA, Ribosomal, 16SSpectinomycinCephaloridineStaphylococcus aureusGentamicinsPharyngitisTetracyclinePeptidoglycanPhylogenyProteusLactamsSequence Analysis, DNACarbenicillinEnterobacteriaceaeOxacillinCephalothinStreptomycinPenicilliumClindamycinAnti-Infective AgentsMutationEndocarditis, BacterialGenes, BacterialSerotypingChloramphenicolTonsillitisBacterial InfectionsPenicillanic AcidAmoxicillinAmino Acid SequenceNeurosyphilisDNA, RibosomalStreptococcus pyogenesDrug Resistance, Multiple, BacterialEnterococcus faecalisColony Count, MicrobialMacrolidesProbenecidVancomycinWater MicrobiologyCefuroximeStreptococcus sanguisCarrier ProteinsSyphilisCell WallMethicillinViridans StreptococciNeisseria meningitidisSpecies SpecificityPseudomonas aeruginosaBase SequenceGram-Negative Aerobic BacteriaTime FactorsKineticsGram-Negative Anaerobic BacteriaBacteroidesGene Expression Regulation, Bacterial