Cell CycleCell Cycle ProteinsCheckpoint Kinase 2Genes, cdcM Phase Cell Cycle CheckpointsMitosisDNA DamageProtein-Serine-Threonine KinasesCell Cycle CheckpointsKinetochoresSpindle ApparatusG2 PhaseMad2 ProteinsProtein KinasesS PhaseCdc20 ProteinsAtaxia Telangiectasia Mutated ProteinsNuclear ProteinsSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiae ProteinsDNA ReplicationNocodazoleG2 Phase Cell Cycle CheckpointsSchizosaccharomycesHydroxyureaG1 PhaseChromosome SegregationPhosphorylationDNA-Binding ProteinsSaccharomyces cerevisiaeS Phase Cell Cycle CheckpointsDNA RepairMetaphaseHeLa CellsMutationCDC2 Protein KinaseCyclin BFungal ProteinsUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeAnaphaseCalcium-Binding ProteinsTumor Suppressor ProteinsTumor Suppressor Protein p53Intracellular Signaling Peptides and ProteinsPrometaphasecdc25 PhosphatasesCell DivisionAurora KinasesCyclin B1Genomic InstabilitySignal TransductionChromosomal Proteins, Non-HistoneRepressor ProteinsDNA, FungalMolecular Sequence DataMicrotubulesProtein BindingApoptosisDNA Breaks, Double-StrandedChromosomal InstabilityCyclin-Dependent Kinase Inhibitor p21Cell Line, TumorCyclinsRadiation, IonizingUltraviolet RaysMethyl MethanesulfonateModels, BiologicalMeiosisGamma RaysCell LineHistonesCarrier ProteinsAmino Acid SequenceRNA, Small InterferingG1 Phase Cell Cycle CheckpointsCell NucleusChromosomesMicrotubule-Associated ProteinsSecurinSaccharomycetalesCentrosomeXenopus ProteinsAneuploidyCell ProliferationAurora Kinase BRNA InterferenceDNAFlow CytometryGene Expression Regulation, FungalChromatinReplication Protein ACell SurvivalGenes, FungalCyclin-Dependent Kinase 2Retinoblastoma ProteinSequence Homology, Amino AcidChromatidsMicroscopy, FluorescenceTwo-Hybrid System Techniques