Chloramphenicol ResistanceChloramphenicolDrug Resistance, MicrobialChloramphenicol O-AcetyltransferaseR FactorsThiamphenicolExtrachromosomal InheritancePlasmidsEscherichia coliAcetyltransferasesDNA, BacterialConjugation, GeneticTransformation, BacterialGenes, BacterialStreptomycinAnti-Bacterial AgentsTetracyclineDrug Resistance, BacterialBase SequenceMolecular Sequence DataMicrobial Sensitivity TestsChromosomes, BacterialCloning, MolecularMutationBacillus subtilisBacterial ProteinsDNA Transposable ElementsDrug ResistanceErythromycinClostridium perfringensHaemophilus influenzaeDNA Restriction EnzymesChromosome MappingNucleic Acid HybridizationDNA, CircularTransduction, GeneticRestriction MappingAmino Acid SequenceDrug Resistance, NeoplasmDrug Resistance, MultipleCulture MediaStaphylococcusGenesTransformation, GeneticDrug Resistance, Multiple, BacterialSequence Analysis, DNABacteriophagesStreptococcus pneumoniaeOperonMutagenesis, InsertionalDisease ResistanceStaphylococcus aureusRecombination, GeneticVascular ResistanceTranscription, GeneticProtein BiosynthesisPolymerase Chain ReactionRNA, MessengerDrug Resistance, ViralPromoter Regions, GeneticPenicillin ResistanceAmpicillinKineticsCell LineProtein Synthesis InhibitorsTetracycline ResistancePuromycinCells, CulturedGene Expression RegulationDNATime FactorsTransfection