DNA RepairDNA Breaks, Double-StrandedDNA DamageAntigens, NuclearDNA-Activated Protein KinaseDNA-Binding ProteinsRecombination, GeneticRad51 RecombinaseGamma RaysDNADNA Repair EnzymesDNA Breaks, Single-StrandedNuclear ProteinsAtaxia Telangiectasia Mutated ProteinsRadiation ToleranceDNA HelicasesMutationCell Cycle ProteinsProtein-Serine-Threonine KinasesPolymorphism, GeneticDNA LigasesPolymorphism, Single NucleotideDNA, Single-StrandedDNA End-Joining RepairMolecular Sequence DataGenomic InstabilityHistonesComet AssayRadiation, IonizingCell Line, TumorTumor Suppressor ProteinsProtein BindingProtein ConformationBase SequenceCell LineZinostatinDNA BreaksSaccharomyces cerevisiaeModels, MolecularHeLa CellsDNA ReplicationDose-Response Relationship, RadiationCell SurvivalAllelesPoly(ADP-ribose) PolymerasesEndodeoxyribonucleasesChromosome BreakageExodeoxyribonucleasesHomologous RecombinationCell NucleusEndonucleasesAmino Acid SequenceDeoxyribonucleases, Type II Site-SpecificSaccharomyces cerevisiae ProteinsUltraviolet RaysProtein Structure, TertiaryKineticsX-RaysGenetic Predisposition to DiseaseNucleic Acid ConformationRad52 DNA Repair and Recombination ProteinPlasmidsMeiosisAtaxia TelangiectasiaFicusinEscherichia coliCell CycleGene FrequencyBinding SitesMeiotic Prophase IModels, GeneticGlycolatesPhleomycinsChromatinDNA, FungalMethyl MethanesulfonateMutagensTelomereCricetinaeGenotypeRecQ HelicasesPhosphorylationRec A RecombinasesCrossing Over, GeneticDNA Polymerase betaPolymerase Chain ReactionPolymorphism, Single-Stranded ConformationalCase-Control StudiesLinear Energy TransferFibroblastsTime FactorsRecombinational DNA RepairDNA PrimersSubstrate SpecificityDNA, NeoplasmTumor Suppressor Protein p53Protein Structure, SecondaryBleomycinCHO CellsHaplotypes