PenicillinasePenicillin GStaphylococcusPenicillin ResistanceBacillusPenicillinsStaphylococcus PhagesNeisseria gonorrhoeaeExtrachromosomal InheritanceGenetics, MicrobialCephaloridineGonorrheaBacillus cereusCloxacillinProtoplastsbeta-LactamasesAmpicillinDrug Resistance, MicrobialMethicillinMicrobial Sensitivity TestsAnti-Bacterial AgentsSpectinomycinEnzyme InductionPenicillanic AcidTetracyclinePharmacologyCephalosporinsCephalosporinaseOxacillinMercuryStaphylococcus aureusAzaguaninePlasmidsCulture MediaTransduction, GeneticEscherichia coliMutationClavulanic AcidsChromosomes, BacterialGenes, Regulatorbeta-LactamsErythromycinR FactorsOleandomycinCadmiumResearchAmoxicillin-Potassium Clavulanate CombinationDNA, BacterialChloramphenicolMetabolismPimelic AcidsDrug ResistanceSulbactam