PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidaseBacteriaPenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsStreptococcus pneumoniaePenicillin-Binding ProteinsPenicillinaseGram-Negative BacteriaGram-Positive BacteriaMuramoylpentapeptide CarboxypeptidaseAmpicillinBacterial ProteinsPeptidyl TransferasesCephalosporinsHexosyltransferasesStreptococcal InfectionsBacteria, AnaerobicPneumococcal InfectionsNeisseria gonorrhoeaeEscherichia coliMolecular Sequence DataStreptococcusDNA, BacterialDrug Resistance, MicrobialCloxacillinDrug HypersensitivityCulture MediaErythromycinGonorrheabeta-LactamsAcremoniumCeftriaxoneDrug Resistance, BacterialCefotaximeBacteria, AerobicRNA, Ribosomal, 16Sbeta-LactamasesCephaloridinePharyngitisSpectinomycinPeptidoglycanStaphylococcusPhylogenyGentamicinsProteusPenicilliumStaphylococcus aureusLactamsSequence Analysis, DNACarbenicillinCephalothinOxacillinTetracyclineEnterobacteriaceaeEndocarditis, BacterialStreptomycinGenes, BacterialTonsillitisClindamycinNeurosyphilisSerotypingDNA, RibosomalPenicillanic AcidAmino Acid SequenceChloramphenicolBacterial InfectionsStreptococcus pyogenesAmoxicillinProbenecidAnti-Infective AgentsMutationEnterococcus faecalisStreptococcus sanguisSyphilisCefuroximeWater MicrobiologyColony Count, MicrobialNeisseria meningitidisViridans StreptococciCell WallGene Expression Regulation, BacterialBase SequenceCarrier ProteinsGram-Negative Anaerobic BacteriaMacrolidesGram-Negative Aerobic BacteriaDicloxacillinBacteroidesKineticsMethicillinSpecies SpecificityBacteriolysisPhenylacetatesVancomycin