PenicillinasePenicillin GStaphylococcusBacillusPenicillin ResistancePenicillinsStaphylococcus PhagesNeisseria gonorrhoeaeExtrachromosomal InheritanceCephaloridineGenetics, MicrobialGonorrheaBacillus cereusCloxacillinProtoplastsbeta-LactamasesAmpicillinMethicillinDrug Resistance, MicrobialEnzyme InductionSpectinomycinPenicillanic AcidMicrobial Sensitivity TestsTetracyclinePharmacologyCephalosporinaseMercuryAnti-Bacterial AgentsCephalosporinsOxacillinAzaguaninePlasmidsStaphylococcus aureusTransduction, GeneticClavulanic AcidsCulture MediaGenes, RegulatorChromosomes, BacterialEscherichia colibeta-LactamsMutationOleandomycinR FactorsErythromycinCadmiumResearchMetabolismAmoxicillin-Potassium Clavulanate CombinationPimelic AcidsChloramphenicolSulbactamDNA, Bacterial