DNA DamageDNA RepairDNAComet AssayDNA-Binding ProteinsUltraviolet RaysAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsBase SequenceMolecular Sequence DataDNA ReplicationDeoxyguanosineCheckpoint Kinase 2Nuclear ProteinsTumor Suppressor Protein p53Cell CycleMutationDNA Breaks, Double-StrandedDNA, BacterialProtein-Serine-Threonine KinasesOxidative StressDNA AdductsProtein BindingCell LineBinding SitesDNA-Directed DNA PolymeraseTumor Suppressor ProteinsGamma RaysDNA GlycosylasesApoptosisPolymerase Chain ReactionDNA, Single-StrandedEscherichia coliMethyl MethanesulfonateHistonesNucleic Acid ConformationMutagensAmino Acid SequenceRecombination, GeneticPlasmidsDNA, FungalGenomic InstabilityTranscription FactorsDNA HelicasesHeLa CellsG2 PhaseEndodeoxyribonucleasesCell NucleusSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeSubstrate SpecificityChromatinPhosphorylationCell Line, TumorDNA ProbesTranscription, GeneticDNA Repair EnzymesDose-Response Relationship, RadiationDNA, NeoplasmCells, CulturedReactive Oxygen SpeciesCell SurvivalHydrogen PeroxideBase Pair MismatchDNA BreaksEscherichia coli ProteinsDNA PrimersRadiation ToleranceProtein KinasesPoly(ADP-ribose) PolymerasesGenes, cdcCell Cycle CheckpointsTemplates, GeneticModels, BiologicalDNA Breaks, Single-StrandedSignal TransductionRad51 RecombinaseKineticsDNA, SuperhelicalDNA LigasesModels, MolecularS PhasePromoter Regions, GeneticProtein Structure, TertiaryBRCA1 ProteinMutagenesisOligodeoxyribonucleotidesBacterial ProteinsGene Expression RegulationFibroblastsDeoxyribonucleases, Type II Site-SpecificMitosisDNA Polymerase IIITransfectionCell AgingMicronucleus TestsOligonucleotidesRepressor ProteinsCloning, MolecularHydroxyurea