Cell CycleCell Cycle ProteinsCell DivisionGenes, cdcMitosisDNA DamageG2 PhaseCheckpoint Kinase 2Protein-Serine-Threonine KinasesCell Cycle CheckpointsChromosomesS PhaseDNA ReplicationSpindle ApparatusProtein Kinasescdc25 PhosphatasesMutationAtaxia Telangiectasia Mutated ProteinsG1 PhaseHydroxyureaSchizosaccharomycesSaccharomyces cerevisiaeChromosome MappingDNA-Binding ProteinsNuclear ProteinsCDC2 Protein KinaseDNA RepairSaccharomyces cerevisiae ProteinsFungal ProteinsMolecular Sequence DataG2 Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsM Phase Cell Cycle CheckpointsCyclinsGenes, FungalChromosome SegregationPhosphorylationTumor Suppressor ProteinsTumor Suppressor Protein p53Gamma RaysCyclin BMad2 ProteinsBase SequenceChromosomal InstabilityChromosome AberrationsChromosomes, FungalModels, BiologicalCyclin B1HeLa CellsAmino Acid SequencePhenotypeDNA, FungalChromosomes, BacterialCell NucleusCyclin-Dependent KinasesX ChromosomeCell LineAtaxia TelangiectasiaApoptosisRadiation, IonizingChromosome BandingUltraviolet RaysCyclin-Dependent Kinase Inhibitor p21Signal TransductionDNACell Line, TumorRetinoblastoma ProteinCyclin-Dependent Kinase 2Chromosomes, HumanInterphaseAneuploidyIntracellular Signaling Peptides and ProteinsGenomic InstabilityCentrosomeFlow CytometryHistonesFibroblastsRadiation ToleranceSex ChromosomesAllelesCyclin AGene DeletionCdc20 ProteinsProtein BindingMetaphaseCell ProliferationG1 Phase Cell Cycle CheckpointsChromosomes, Human, Pair 1Time FactorsUbiquitin-Protein Ligase ComplexesCell Nucleus DivisionNocodazoleCells, CulturedKinetochoresAnaphase-Promoting Complex-CyclosomeChromosomal Proteins, Non-HistoneChromatinCaulobacter crescentusChromosome BreakageRepressor Proteins