Checkpoint Kinase 2Cell Cycle ProteinsM Phase Cell Cycle CheckpointsGenes, cdcDNA DamageMitosisProtein-Serine-Threonine KinasesG2 PhaseCell Cycle CheckpointsSpindle ApparatusCell CycleProtein KinasesKinetochoresAtaxia Telangiectasia Mutated ProteinsS PhaseG2 Phase Cell Cycle CheckpointsS Phase Cell Cycle CheckpointsHydroxyureaDNA ReplicationSaccharomyces cerevisiae ProteinsMutationNuclear ProteinsSchizosaccharomyces pombe ProteinsSchizosaccharomycesNocodazoleCdc20 ProteinsDNA RepairSaccharomyces cerevisiaeDNA-Binding ProteinsChromosome SegregationPhosphorylationcdc25 PhosphatasesAnaphaseFungal ProteinsCDC2 Protein KinaseCyclin BG1 PhaseTumor Suppressor ProteinsHeLa CellsSignal TransductionGenomic InstabilityMetaphaseTumor Suppressor Protein p53Radiation, IonizingChromosomal InstabilityUbiquitin-Protein Ligase ComplexesDNA Breaks, Double-StrandedAnaphase-Promoting Complex-CyclosomeIntracellular Signaling Peptides and ProteinsMethyl MethanesulfonateAurora KinasesDNA, FungalGamma RaysUltraviolet RaysMolecular Sequence DataChromosomal Proteins, Non-HistoneCyclin B1Calcium-Binding ProteinsModels, BiologicalHeart Septal Defects, VentricularPhenotypeMeiosisAurora Kinase BRepressor ProteinsAmino Acid SequenceMicrotubulesHeart Defects, CongenitalCell LineGene DeletionHeart Septal Defects, AtrialProtein BindingAtaxia TelangiectasiaHistonesChromosomesSecurinCell DivisionRNA, Small InterferingCell Line, TumorGenes, FungalAneuploidyApoptosisCarrier ProteinsReplication Protein AGene Expression Regulation, FungalG1 Phase Cell Cycle CheckpointsCentrosomeRNA InterferenceXenopus ProteinsSaccharomycetalesAphidicolinRadiation ToleranceCell NucleusNucleic Acid Synthesis InhibitorsChromatidsFibroblastsCyclin-Dependent Kinase Inhibitor p21PrometaphaseExodeoxyribonucleasesDNAPolyploidy