Spindle ApparatusM Phase Cell Cycle CheckpointsCell CycleMad2 ProteinsCell Cycle ProteinsKinetochoresMitosisCdc20 ProteinsChromosome SegregationGenes, cdcNocodazoleAnaphaseProtein-Serine-Threonine KinasesMetaphaseMicrotubulesAnaphase-Promoting Complex-CyclosomeAurora KinasesCheckpoint Kinase 2Ubiquitin-Protein Ligase ComplexesCentrosomeCell Cycle CheckpointsNuclear ProteinsG2 PhaseS PhaseCyclin BAurora Kinase BProtein KinasesPrometaphaseG1 PhaseHeLa CellsDNA DamageMicrotubule-Associated ProteinsCyclin B1AneuploidyMeiosisSaccharomyces cerevisiae ProteinsCalcium-Binding ProteinsTubulin ModulatorsChromosomal InstabilityPhosphorylationCDC2 Protein KinaseKinesinSecurinMutationSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiaeChromosomesChromosomal Proteins, Non-HistoneSchizosaccharomycesCell DivisionFungal ProteinsTubulinDisease ProgressionRepressor ProteinsOocytesRNA InterferenceCell Line, TumorMolecular Sequence DataSignal TransductionG2 Phase Cell Cycle CheckpointsModels, BiologicalDNA-Binding ProteinsProtein BindingRNA, Small InterferingTime-Lapse ImagingCell LineDNA ReplicationChromatidsCyclinsApoptosisCentromereCytokinesisCell ProliferationAmino Acid Sequenceran GTP-Binding ProteinAntimitotic AgentsMuscle SpindlesDyneinsInterphaseCarrier ProteinsAtaxia Telangiectasia Mutated ProteinsCell NucleusCyclin-Dependent KinasesGenomic InstabilityMicroscopy, Fluorescencecdc25 PhosphatasesS Phase Cell Cycle CheckpointsXenopus ProteinsChromosomes, FungalChromosomes, HumanSaccharomycetalesRetinoblastoma ProteinPolyploidyHydroxyureaDrosophila ProteinsCyclin-Dependent Kinase Inhibitor p21Tumor Suppressor ProteinsRecombinant Fusion ProteinsSpisulaTumor Suppressor Protein p53