PenicillinsPenicillin GPenicillin VBacteriaPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsGram-Negative BacteriaGram-Positive BacteriaMicrobial Sensitivity TestsBacteria, AnaerobicStreptococcus pneumoniaeBacterial ProteinsPenicillin-Binding ProteinsPenicillinaseDNA, BacterialMolecular Sequence DataEscherichia coliRNA, Ribosomal, 16SBacteria, AerobicMuramoylpentapeptide CarboxypeptidaseAmpicillinCephalosporinsPeptidyl TransferasesPhylogenyStreptococcal InfectionsHexosyltransferasesStreptococcusPneumococcal InfectionsNeisseria gonorrhoeaeCulture MediaSequence Analysis, DNADrug Resistance, MicrobialDNA, RibosomalWater MicrobiologyDrug Resistance, BacterialCloxacillinGenes, BacterialErythromycinbeta-LactamsEnterobacteriaceaeGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaDrug HypersensitivityStaphylococcus aureusGonorrheaBacterial Physiological PhenomenaPeptidoglycanColony Count, MicrobialStaphylococcusCeftriaxoneAcremoniumCefotaximebeta-LactamasesSoil MicrobiologyProteusGene Expression Regulation, BacterialRNA, BacterialBacterial InfectionsAmino Acid SequenceCephaloridineSpectinomycinGentamicinsPharyngitisAnaerobiosisLactamsSulfur-Reducing BacteriaTetracyclineBacteroidesSeawaterSpecies SpecificityCephalothinCarbenicillinPseudomonasBase SequencePenicilliumBacteriological TechniquesStreptomycinAnti-Infective AgentsOxacillinPseudomonas aeruginosaEndocarditis, BacterialEnterococcus faecalisGenome, BacterialGenes, rRNACell WallClindamycinMutationStreptococcus pyogenesBacterial Typing TechniquesBase CompositionTonsillitisSymbiosisChloramphenicolSerotypingStreptococcus sanguisFermentationPenicillanic Acid