Cell CycleGenes, cdcCell Cycle ProteinsG2 PhaseDNA DamageCheckpoint Kinase 2Cell Cycle CheckpointsMitosisProtein-Serine-Threonine KinasesS PhaseG1 PhaseAtaxia Telangiectasia Mutated ProteinsProtein KinasesCyclinsG2 Phase Cell Cycle CheckpointsDNA RepairDNA-Binding ProteinsHydroxyureaDNA ReplicationNuclear ProteinsSpindle ApparatusTumor Suppressor Protein p53M Phase Cell Cycle Checkpointscdc25 PhosphatasesCyclin-Dependent Kinase Inhibitor p21Saccharomyces cerevisiae ProteinsCell DivisionCDC2 Protein KinaseMutationFungal ProteinsSaccharomyces cerevisiaeGamma RaysTumor Suppressor ProteinsSchizosaccharomycesMolecular Sequence DataMad2 ProteinsGenes, FungalSchizosaccharomyces pombe ProteinsPhosphorylationApoptosisCell ProliferationRetinoblastoma ProteinCell Line, TumorCyclin BAtaxia TelangiectasiaRadiation, IonizingBase SequenceCell LineChromosomal InstabilityUltraviolet RaysCyclin ASignal TransductionG1 Phase Cell Cycle CheckpointsCyclin EHeLa CellsRepressor ProteinsGene Expression RegulationRadiation ToleranceIntracellular Signaling Peptides and ProteinsModels, BiologicalCyclin B1Gene Expression ProfilingTranscription FactorsTranscription, GeneticGenomic InstabilityCyclin-Dependent KinasesHistonesCyclin D1S Phase Cell Cycle CheckpointsGene Expression Regulation, NeoplasticAmino Acid SequenceRNA, MessengerTumor Cells, CulturedCyclin-Dependent Kinase 2DNACells, CulturedDNA, FungalNocodazoleFlow CytometryPhenotypePromoter Regions, GeneticFibroblastsProtein BindingCyclin B2E2F Transcription FactorsOligonucleotide Array Sequence AnalysisGene DeletionDNA Breaks, Double-StrandedTime FactorsCyclin-Dependent Kinase Inhibitor p27Cell NucleusCDC28 Protein Kinase, S cerevisiaeCDC2-CDC28 KinasesMenstrual CycleAneuploidyCell SurvivalBRCA1 ProteinGenes, p53RNA, Small InterferingMimosine