Cell CycleCell Cycle ProteinsCheckpoint Kinase 2Cell Cycle CheckpointsMitosisGenes, cdcM Phase Cell Cycle CheckpointsG2 PhaseDNA DamageS PhaseProtein-Serine-Threonine KinasesG2 Phase Cell Cycle CheckpointsG1 PhaseSpindle ApparatusProtein KinasesDNA ReplicationAtaxia Telangiectasia Mutated ProteinsS Phase Cell Cycle CheckpointsKinetochoresNuclear ProteinsHydroxyureaPhosphorylationSaccharomyces cerevisiae ProteinsCDC2 Protein KinaseCell DivisionCyclinsDNA-Binding ProteinsSchizosaccharomycesCyclin BSchizosaccharomyces pombe Proteinscdc25 PhosphatasesTumor Suppressor Protein p53NocodazoleSaccharomyces cerevisiaeMutationApoptosisCyclin-Dependent Kinase Inhibitor p21Tumor Suppressor ProteinsDNA RepairHeLa CellsCell Line, TumorCdc20 ProteinsG1 Phase Cell Cycle CheckpointsSignal TransductionChromosome SegregationFungal ProteinsCell ProliferationRetinoblastoma ProteinCyclin B1Cell LineMenstrual CycleMolecular Sequence DataCyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p27AnaphaseUbiquitin-Protein Ligase ComplexesModels, BiologicalAnaphase-Promoting Complex-CyclosomeFlow CytometryCell NucleusGamma RaysMetaphaseCyclin ACyclin ERadiation, IonizingInterphaseIntracellular Signaling Peptides and ProteinsG0 PhaseGenomic InstabilityAurora KinasesHistonesAmino Acid SequenceProtein BindingDNA, FungalCyclin D1DNAUltraviolet RaysRNA, Small InterferingTime FactorsDNA Breaks, Double-StrandedCDC2-CDC28 KinasesCell SurvivalCells, CulturedTumor Cells, CulturedTranscription FactorsRepressor ProteinsChromosomal Proteins, Non-HistoneChromosomal InstabilityMicrotubulesFibroblastsMeiosisMethyl MethanesulfonateRNA InterferenceCyclin-Dependent Kinase 4Blotting, WesternCentrosomeCarrier ProteinsMicrotubule-Associated ProteinsBase SequenceAphidicolin