Protein-Serine-Threonine KinasesCheckpoint Kinase 2Cell CycleCell Cycle ProteinsMitosisM Phase Cell Cycle CheckpointsProtein KinasesMad2 ProteinsGenes, cdcDNA DamageSpindle ApparatusKinetochoresNocodazoleCell Cycle CheckpointsG2 PhaseCdc20 ProteinsPhosphorylationAtaxia Telangiectasia Mutated ProteinsCDC2 Protein KinaseS PhaseHeLa CellsChromosome SegregationNuclear ProteinsSaccharomyces cerevisiae ProteinsChromosomal InstabilityMutationDNA ReplicationSchizosaccharomyces pombe Proteinscdc25 PhosphatasesAnaphaseHydroxyureaSchizosaccharomycesAurora KinasesG2 Phase Cell Cycle CheckpointsAntimitotic AgentsDNA-Binding ProteinsCyclin BUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeSaccharomyces cerevisiaeG1 PhaseCell Line, TumorCalcium-Binding ProteinsProtein Kinase InhibitorsCell DivisionAneuploidyApoptosisPhosphatidylinositol 3-KinasesSignal TransductionChromosomal Proteins, Non-HistoneInterphaseMetaphaseTumor Suppressor ProteinsMicrotubulesAurora Kinase BMolecular Sequence DataTumor Suppressor Protein p53MAP Kinase Signaling SystemProtein BindingCell LineFungal ProteinsS Phase Cell Cycle CheckpointsCentrosomeRepressor ProteinsIntracellular Signaling Peptides and ProteinsProtein-Tyrosine KinasesPotoroidaeModels, BiologicalRNA, Small InterferingDNA RepairAmino Acid SequenceCyclin B1PolyploidyCell NucleusHistonesRNA InterferenceCyclinsMeiosisDNA, FungalGenomic InstabilityMicrotubule-Associated ProteinsCyclin-Dependent KinasesCell SurvivalCalcium-Calmodulin-Dependent Protein KinasesCell ProliferationEnzyme ActivationTransfectionFlow CytometryTubulin ModulatorsCarrier ProteinsTumor Cells, CulturedCyclin-Dependent Kinase Inhibitor p21Protein Structure, TertiaryChromosomesFibroblastsRadiation, IonizingTime FactorsCells, CulturedBase SequenceBlotting, Western