Cell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2MitosisM Phase Cell Cycle CheckpointsDNA DamageMad2 ProteinsG2 PhaseProtein-Serine-Threonine KinasesCell Cycle CheckpointsSpindle ApparatusProtein KinasesAtaxia Telangiectasia Mutated ProteinsS PhaseMutationKinetochoresHydroxyureaNuclear ProteinsDNA RepairChromosomal InstabilityG2 Phase Cell Cycle CheckpointsNocodazoleDNA-Binding ProteinsSaccharomyces cerevisiae ProteinsCdc20 ProteinsDNA ReplicationTumor Suppressor Protein p53G1 PhaseSchizosaccharomycesSchizosaccharomyces pombe ProteinsSaccharomyces cerevisiaeFungal ProteinsGamma RaysPhosphorylationCyclin BTumor Suppressor ProteinsPoint MutationAneuploidyCDC2 Protein KinaseHeLa CellsCalcium-Binding ProteinsChromosome Segregationcdc25 PhosphatasesRadiation, IonizingRepressor ProteinsAtaxia TelangiectasiaMolecular Sequence DataGenes, FungalUltraviolet RaysMutation, MissenseGenomic InstabilityAntimitotic AgentsAnaphaseS Phase Cell Cycle CheckpointsUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeCyclin-Dependent Kinase Inhibitor p21Cyclin B1CyclinsApoptosisCell DivisionIntracellular Signaling Peptides and ProteinsDNA, FungalCell Line, TumorSignal TransductionCell LineBase SequenceMetaphaseRadiation ToleranceChromosomal Proteins, Non-HistoneG1 Phase Cell Cycle CheckpointsAurora KinasesModels, BiologicalFibroblastsGene DeletionAmino Acid SequenceDNA Breaks, Double-StrandedPolyploidyMicrotubulesCentrosomeProtein BindingPhenotypePotoroidaeHistonesAurora Kinase BNeoplasm ProteinsFlow CytometryCarrier ProteinsCell NucleusRNA, Small InterferingBRCA1 ProteinGenes, p53AllelesDNATumor Cells, CulturedRetinoblastoma ProteinMethyl MethanesulfonateChromosomes, FungalCell Survival