DNA DamageS PhaseDNA RepairComet AssayCell CycleCell Cycle ProteinsAtaxia Telangiectasia Mutated ProteinsDNA ReplicationUltraviolet RaysDNA-Binding ProteinsCheckpoint Kinase 2Protein-Serine-Threonine KinasesG1 PhaseTumor Suppressor Protein p53DNATumor Suppressor ProteinsNuclear ProteinsDeoxyguanosineG2 PhaseDNA Breaks, Double-StrandedHistonesApoptosisMitosisGamma RaysOxidative StressMethyl MethanesulfonatePhosphorylationCell LineGenomic InstabilityMutationHeLa CellsCell Line, TumorSaccharomyces cerevisiae ProteinsMutagensGenes, cdcProtein KinasesCell NucleusCell SurvivalSaccharomyces cerevisiaeChromatinFibroblastsCell Cycle CheckpointsCells, CulturedCell DivisionInterphaseDose-Response Relationship, RadiationCyclinsDNA Repair EnzymesSignal TransductionProliferating Cell Nuclear AntigenCyclin-Dependent KinasesCyclin-Dependent Kinase 2Radiation ToleranceDNA AdductsTime FactorsReactive Oxygen SpeciesCyclin-Dependent Kinase Inhibitor p21Hydrogen PeroxidePoly(ADP-ribose) PolymerasesMolecular Sequence DataFlow CytometryNucleic Acid Synthesis InhibitorsRad51 RecombinaseSchizosaccharomycesSchizosaccharomyces pombe ProteinsCDC2 Protein KinaseCyclin EDNA BreaksProtein BindingE2F1 Transcription FactorCyclin ADNA, Fungalcdc25 PhosphatasesChromosomal Proteins, Non-HistoneBRCA1 ProteinIntracellular Signaling Peptides and ProteinsDNA Breaks, Single-StrandedAphidicolinModels, BiologicalCell ProliferationReplication Protein ADNA GlycosylasesRNA, Small InterferingCell AgingRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsCDC2-CDC28 KinasesCyclin BDNA HelicasesTumor Cells, CulturedTranscription, GeneticTranscription FactorsBase SequenceBlotting, WesternBromodeoxyuridineE2F Transcription FactorsReplication OriginRecombinational DNA RepairAlkylating AgentsMicronucleus Tests