Cell CycleCell Cycle ProteinsCell DivisionGenes, cdcMitosisDNA DamageG2 PhaseCheckpoint Kinase 2Cell Cycle CheckpointsProtein-Serine-Threonine KinasesS PhaseProtein KinasesDNA ReplicationSpindle Apparatuscdc25 PhosphatasesAtaxia Telangiectasia Mutated ProteinsG1 PhaseHydroxyureaMutationSchizosaccharomycesSaccharomyces cerevisiaeCDC2 Protein KinaseDNA RepairDNA-Binding ProteinsNuclear ProteinsG2 Phase Cell Cycle CheckpointsSaccharomyces cerevisiae ProteinsFungal ProteinsM Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsCyclinsPhosphorylationMolecular Sequence DataGenes, FungalTumor Suppressor Protein p53Tumor Suppressor ProteinsCyclin BGamma RaysMad2 ProteinsModels, BiologicalCyclin B1Cyclin-Dependent KinasesApoptosisChromosomal InstabilityHeLa CellsCyclin-Dependent Kinase Inhibitor p21Ataxia TelangiectasiaRadiation, IonizingBase SequenceDNA, FungalUltraviolet RaysCell NucleusSignal TransductionCell LineAmino Acid SequenceRetinoblastoma ProteinCyclin-Dependent Kinase 2Cell Line, TumorMenstrual CyclePhenotypeFlow CytometryIntracellular Signaling Peptides and ProteinsCyclin AG1 Phase Cell Cycle CheckpointsCell ProliferationCentrosomeRadiation ToleranceDNAGenomic InstabilityFibroblastsTime FactorsCdc20 ProteinsInterphaseProtein BindingHistonesUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeCells, CulturedCell Nucleus DivisionNocodazoleCaulobacter crescentusChromosome SegregationCDC2-CDC28 KinasesGene DeletionS Phase Cell Cycle CheckpointsRepressor ProteinsAsymmetric Cell DivisionTumor Cells, CulturedChromatinAllelesCyclin-Dependent Kinase Inhibitor p27DNA Breaks, Double-StrandedCyclin ECarrier ProteinsChromosomesAneuploidySequence Homology, Amino AcidRNA, Small InterferingTranscription, GeneticGene Expression Regulation