DNA DamageDNA BreaksComet AssayHydroxyl RadicalDNAPoly(ADP-ribose) PolymerasesDNA Topoisomerases, Type IIDNA RepairHydrogen PeroxideCell SurvivalZinostatinDNA, Single-StrandedChromosome BreakageDNA Topoisomerases, Type IHydroxidesDeoxyguanosineNitratesFree RadicalsCell LineBase SequenceKineticsCells, CulturedNucleic Acid ConformationDNA ReplicationRec A RecombinasesMolecular Sequence DataRecombination, GeneticDNA Breaks, Single-StrandedNucleic Acid HeteroduplexesEscherichia coliDNA, ViralDNA-Binding ProteinsNucleic Acid DenaturationDNA HelicasesDNA CleavageRad51 RecombinaseMutationDNA Breaks, Double-StrandedDNA, SuperhelicalDNA, CircularDNA, BacterialPlasmidsChromosome Fragile SitesTemplates, GeneticNucleic Acid RenaturationEndodeoxyribonucleasesBacteriophage phi X 174OligodeoxyribonucleotidesOligonucleotidesElectrophoresis, Agar GelDNA LigasesUltraviolet RaysDNA NucleotidyltransferasesAmsacrineEquipment FailureModels, MolecularBase PairingNucleic Acid HybridizationBleomycinTranscription, GeneticChromosome AberrationsSubstrate SpecificityExodeoxyribonucleasesBinding SitesChromosome FragilityEndonucleasesTopoisomerase II InhibitorsDNA Repair EnzymesAminoacridinesModels, GeneticMutagensAmino Acid SequenceGamma RaysAtaxia TelangiectasiaDNA-Directed DNA PolymeraseProtein BindingSaccharomyces cerevisiaeRad52 DNA Repair and Recombination ProteinHydrolysisAdenosine TriphosphatasesDNA, FungalColiphagesTopoisomerase I InhibitorsPolynucleotide 5'-Hydroxyl-KinaseRNABacteriophage M13GuaninePoly Adenosine Diphosphate RiboseCell Cycle ProteinsSister Chromatid ExchangeEscherichia coli ProteinsReplication Protein AComputers, MolecularIntercalating AgentsApurinic AcidBase CompositionDNA, NeoplasmNuclear ProteinsRibonuclease HTelomere