DNA DamageDNA RepairDNADNA Breaks, Double-StrandedDNA ReplicationDNA, Single-StrandedDNA-Binding ProteinsComet AssayAtaxia Telangiectasia Mutated ProteinsBase SequenceCell Cycle ProteinsDNA HelicasesBacteriophage phi X 174Molecular Sequence DataRecombination, GeneticNucleic Acid ConformationRibonuclease HMutationUltraviolet RaysDNA, ViralGamma RaysTemplates, GeneticDNA LigasesAntigens, NuclearDNA-Activated Protein KinaseProtein-Serine-Threonine KinasesExonucleasesTumor Suppressor ProteinsHistonesNuclear ProteinsRad51 RecombinaseEscherichia coliPlasmidsDNA Breaks, Single-StrandedCheckpoint Kinase 2Cell LineDNA, CircularGenomic InstabilityCell CycleTumor Suppressor Protein p53DNA-Directed DNA PolymeraseRNA, Transfer, LysExodeoxyribonucleasesRNA-Directed DNA PolymeraseZinostatinDNA Repair EnzymesProtein BindingHeLa CellsFlap EndonucleasesSaccharomyces cerevisiaeDose-Response Relationship, RadiationSaccharomyces cerevisiae ProteinsDNA End-Joining RepairDNA PrimaseRadiation ToleranceDeoxyguanosineKineticsDNA BreaksMutagensDNA Polymerase IIISubstrate SpecificityOxidative StressRadiation, IonizingMethyl MethanesulfonateDNA PrimersApoptosisCell Line, TumorReplication Protein APhosphorylationOligonucleotidesEndonucleasesTranscription, GeneticOligodeoxyribonucleotidesCell SurvivalPoly(ADP-ribose) PolymerasesMutagenesisEndodeoxyribonucleasesG2 PhaseRNABinding SitesModels, GeneticAtaxia TelangiectasiaChromatinX-RaysBacteriophage T7Rec A RecombinasesDNA AdductsOxytrichaCell NucleusTelomereFicusinHomologous RecombinationDNA, FungalS PhaseFibroblastsHIV Reverse TranscriptaseGenes, cdcCell Cycle CheckpointsCells, CulturedHydrogen Peroxide