PlasmidsTransformation, BacterialDNA, BacterialConjugation, GeneticR FactorsBacteriocin PlasmidsEscherichia coliBase SequenceGenes, BacterialExtrachromosomal InheritanceMolecular Sequence DataDNA Restriction EnzymesCloning, MolecularDNA Transposable ElementsRepliconDNA, RecombinantF FactorChromosomes, BacterialDrug Resistance, MicrobialDNA ReplicationTransformation, GeneticBacterial ProteinsRestriction MappingNucleic Acid HybridizationGenetic VectorsSequence Analysis, DNAPlant Tumor-Inducing PlasmidsRecombination, GeneticDNA, CircularGene Transfer, HorizontalReplication OriginElectrophoresis, Agar GelMutationTetracyclineGenesbeta-LactamasesTransfectionOperonAmino Acid SequenceAnti-Bacterial Agents