DNA Topoisomerase IVDNA Topoisomerases, Type IIDNA GyraseTopoisomerase II InhibitorsDNA Topoisomerases, Type IAnti-Infective AgentsTopoisomerase I InhibitorsFluoroquinolonesCiprofloxacinDrug Resistance, MicrobialDNA, SuperhelicalQuinolonesBacteriaNovobiocinTopoisomerase InhibitorsTeniposideDNA, CatenatedAmsacrineNorfloxacinCamptothecin4-QuinolonesEscherichia coliNaphthyridinesMolecular Sequence DataAminocoumarinsMutationDNA, BacterialDrug Resistance, BacterialStreptococcus pneumoniaeDNAMicrobial Sensitivity TestsBase SequenceEtoposidePlasmidsMycoplasma hominisOfloxacinStaphylococcus aureusRazoxaneAnti-Bacterial AgentsCoumarinsNucleic Acid ConformationAmino Acid SequenceBacterial ProteinsGenes, BacterialDNA-Binding ProteinsEnzyme InhibitorsDNA DamageEllipticinesPodophyllotoxinGram-Negative BacteriaLevofloxacinDNA TopoisomerasesAntigens, NeoplasmCloning, MolecularGram-Positive BacteriaIntercalating AgentsDNA ReplicationDNA CleavageCatalysisChromosomes, BacterialSequence Analysis, DNAAminoacridinesKineticsBacteria, AnaerobicAntineoplastic Agents, PhytogenicTopotecanDrug ResistanceSaccharomyces cerevisiaeChromosome SegregationDNA, KinetoplastStructure-Activity RelationshipAntineoplastic AgentsThiobarbituratesSubstrate SpecificityPolymerase Chain ReactionModels, Molecular