title: Escherichia coli DNA topoisomerase I mutants have compensatory mutations at or near DNA gyrase genes.
mesh_terms: D004264:DNA Topoisomerases, Type I / Q000235:genetics*; D004250:DNA Topoisomerases, Type II / Q000235:genetics*; D004926:Escherichia coli / Q000201:enzymology* / Q000235:genetics; D005796:Genes; D005798:Genes, Bacterial; D005838:Genotype; D009154:Mutation; D014161:Transduction, Genetic
chemical_list: D004264:DNA Topoisomerases, Type I; D004250:DNA Topoisomerases, Type II