Cell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2DNA DamageG2 PhaseCell Cycle CheckpointsMitosisProtein-Serine-Threonine KinasesAtaxia Telangiectasia Mutated ProteinsProtein KinasesS PhaseDNA RepairHydroxyureaG2 Phase Cell Cycle CheckpointsSpindle ApparatusM Phase Cell Cycle CheckpointsG1 PhaseDNA-Binding ProteinsNuclear ProteinsDNA ReplicationTumor Suppressor Protein p53Gamma RaysTumor Suppressor ProteinsSchizosaccharomycesMad2 ProteinsSaccharomyces cerevisiae ProteinsSchizosaccharomyces pombe Proteinscdc25 PhosphatasesFungal ProteinsMutationRadiation, IonizingAtaxia TelangiectasiaSaccharomyces cerevisiaePhosphorylationChromosomal InstabilityUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21CyclinsCDC2 Protein KinaseCyclin BGenes, FungalRadiation ToleranceCell DivisionIntracellular Signaling Peptides and ProteinsApoptosisGenomic InstabilityG1 Phase Cell Cycle CheckpointsMolecular Sequence DataCyclin B1S Phase Cell Cycle CheckpointsCell Line, TumorDNA, FungalSignal TransductionCell LineNocodazoleHeLa CellsDNA Breaks, Double-StrandedRetinoblastoma ProteinFibroblastsGene DeletionAneuploidyBRCA1 ProteinBase SequenceModels, BiologicalCyclin-Dependent Kinase 2Flow CytometryHistonesRepressor ProteinsCDC28 Protein Kinase, S cerevisiaeGenes, p53Chromosomes, FungalKinetochoresCell NucleusTumor Cells, CulturedDNACell ProliferationPhenotypeNeoplasm ProteinsCyclin ERNA, Small InterferingCell SurvivalMethyl MethanesulfonateDNA Repair EnzymesMimosineCaffeineCDC2-CDC28 KinasesAphidicolinCyclin-Dependent KinasesGene Expression Regulation, NeoplasticProtein BindingAmino Acid SequenceCells, CulturedCalcium-Binding ProteinsCyclin AHCT116 CellsNucleic Acid Synthesis InhibitorsBlastulaCentrosomeAlleles