title: Control of plasmid R6K copy numbers in isogenic rep+ and rep Escherichia coli strains.
mesh_terms: D004261:DNA Replication; D004264:DNA Topoisomerases, Type I / Q000235:genetics; D004269:DNA, Bacterial / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics*; D010641:Phenotype; D010957:Plasmids; D011995:Recombination, Genetic
chemical_list: D004269:DNA, Bacterial; D004264:DNA Topoisomerases, Type I