Cell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2DNA DamageG2 PhaseCell Cycle CheckpointsMitosisProtein-Serine-Threonine KinasesAtaxia Telangiectasia Mutated ProteinsS PhaseProtein KinasesDNA RepairHydroxyureaG2 Phase Cell Cycle CheckpointsSpindle ApparatusM Phase Cell Cycle CheckpointsDNA-Binding ProteinsG1 PhaseNuclear ProteinsTumor Suppressor Protein p53DNA ReplicationGamma RaysMad2 ProteinsSaccharomyces cerevisiae ProteinsSchizosaccharomycesTumor Suppressor ProteinsMutationFungal ProteinsSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiaeAtaxia Telangiectasiacdc25 PhosphatasesRadiation, IonizingChromosomal InstabilityPhosphorylationUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21CyclinsCDC2 Protein KinaseApoptosisGenes, FungalCyclin BCell DivisionRadiation ToleranceIntracellular Signaling Peptides and ProteinsMolecular Sequence DataGenomic InstabilitySignal TransductionCell LineG1 Phase Cell Cycle CheckpointsCell Line, TumorCyclin B1DNA, FungalS Phase Cell Cycle CheckpointsBase SequenceHeLa CellsFibroblastsNocodazoleDNA Breaks, Double-StrandedRetinoblastoma ProteinGene DeletionFlow CytometryModels, BiologicalRepressor ProteinsEnzyme InductionAneuploidyCells, CulturedTumor Cells, CulturedBRCA1 ProteinCyclin-Dependent Kinase 2CDC28 Protein Kinase, S cerevisiaeHistonesCell ProliferationDNAGenes, p53PhenotypeChromosomes, FungalCell NucleusCell SurvivalNeoplasm ProteinsKinetochoresCyclin ERNA, Small InterferingAmino Acid SequenceGene Expression Regulation, NeoplasticMethyl MethanesulfonateMimosineDNA Repair EnzymesProtein BindingTime FactorsCDC2-CDC28 KinasesCyclin-Dependent KinasesGene Expression RegulationRNA, MessengerCalcium-Binding ProteinsCaffeineCyclin ADNA PrimersAphidicolin