DNA DamageCell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2G2 PhaseCell Cycle CheckpointsMitosisProtein-Serine-Threonine KinasesAtaxia Telangiectasia Mutated ProteinsDNA RepairS PhaseProtein KinasesHydroxyureaG2 Phase Cell Cycle CheckpointsDNA-Binding ProteinsSpindle ApparatusTumor Suppressor Protein p53Nuclear ProteinsM Phase Cell Cycle CheckpointsGamma RaysDNA ReplicationG1 PhaseTumor Suppressor ProteinsMutationSaccharomyces cerevisiae ProteinsUltraviolet RaysSchizosaccharomycesMad2 ProteinsSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiaeFungal ProteinsPhosphorylationAtaxia Telangiectasiacdc25 PhosphatasesChromosomal InstabilityGenomic InstabilityRadiation, IonizingCyclin-Dependent Kinase Inhibitor p21ApoptosisCyclinsCDC2 Protein KinaseRadiation ToleranceGenes, FungalCyclin BIntracellular Signaling Peptides and ProteinsDNA Breaks, Double-StrandedMolecular Sequence DataCell DivisionCell LineCell Line, TumorComet AssaySignal TransductionHeLa CellsDNA, FungalG1 Phase Cell Cycle CheckpointsHistonesFibroblastsS Phase Cell Cycle CheckpointsDNABase SequenceModels, BiologicalBRCA1 ProteinNocodazoleCyclin B1Gene DeletionMethyl MethanesulfonateRetinoblastoma ProteinFlow CytometryDNA Repair EnzymesCell SurvivalCell NucleusRepressor ProteinsAneuploidyGenes, p53Drug StabilityProtein BindingCells, CulturedCyclin-Dependent Kinase 2Cell ProliferationTumor Cells, CulturedChromosomes, FungalAmino Acid SequencePhenotypeCDC28 Protein Kinase, S cerevisiaeMutagensRNA, Small InterferingDose-Response Relationship, RadiationProtein StabilityTime FactorsNeoplasm ProteinsKinetochoresNucleic Acid Synthesis InhibitorsCyclin EGene Expression Regulation, NeoplasticHCT116 CellsChromatinMimosineCyclin-Dependent KinasesCaffeine