PenicillinsPenicillin GPenicillin VBacteriaPenicillin ResistancePenicillin G ProcainePenicillin AmidaseAnti-Bacterial AgentsPenicillin G BenzathineMicrobial Sensitivity TestsGram-Negative BacteriaGram-Positive BacteriaAntibiotic ProphylaxisBacterial ProteinsBacteria, AnaerobicDrug Resistance, MicrobialStreptococcus pneumoniaeEscherichia coliDrug Resistance, BacterialPenicillin-Binding ProteinsAmpicillinDNA, BacterialPenicillinaseCephalosporinsMolecular Sequence Databeta-LactamsBacterial InfectionsMuramoylpentapeptide CarboxypeptidaseRNA, Ribosomal, 16SErythromycinCulture MediaGentamicinsBacteria, AerobicPeptidyl TransferasesStreptococcal InfectionsStaphylococcus aureusStreptomycesAminoglycosidesHexosyltransferasesStreptococcusPneumococcal InfectionsPhylogenyTetracyclineNeisseria gonorrhoeaeSequence Analysis, DNACloxacillinFermentationGenes, BacterialEnterobacteriaceaeAnti-Infective AgentsStaphylococcusStreptomycinPseudomonas aeruginosaCeftriaxonebeta-LactamasesLactamsColony Count, MicrobialCefotaximeMacrolidesDNA, RibosomalCephaloridineDrug Resistance, Multiple, BacterialClindamycinAntibiotics, AntineoplasticGene Expression Regulation, BacterialWater MicrobiologyChloramphenicolVancomycinPharyngitisPeptidoglycanCephalothinDrug HypersensitivityDrug UtilizationProteusRNA, BacterialGonorrheaGram-Negative Aerobic BacteriaAmoxicillinKanamycinAmino Acid SequenceCarbenicillinBacterial Physiological PhenomenaSoil MicrobiologyAcremoniumStaphylococcal InfectionsGram-Negative Anaerobic BacteriaEndocarditis, BacterialMutationEnterococcus faecalisBiofilmsCefuroximeOxacillinBase SequenceBacteriological TechniquesCiprofloxacinPlasmidsPseudomonasCell WallGram-Negative Bacterial InfectionsSpecies Specificity