Cell Cycle ProteinsCheckpoint Kinase 2DNA DamageCell CycleGenes, cdcProtein-Serine-Threonine KinasesMitosisG2 PhaseDNA RepairMad2 ProteinsCell Cycle CheckpointsSaccharomyces cerevisiae ProteinsM Phase Cell Cycle CheckpointsSpindle ApparatusProtein KinasesRad52 DNA Repair and Recombination ProteinSchizosaccharomyces pombe ProteinsAtaxia Telangiectasia Mutated ProteinsDNA-Binding ProteinsSchizosaccharomycesNuclear ProteinsS PhaseKinetochoresSaccharomyces cerevisiaeDNA ReplicationFungal ProteinsHydroxyureaMutationG2 Phase Cell Cycle CheckpointsRad51 RecombinaseDNA Repair EnzymesCdc20 ProteinsDNA, FungalPhosphorylationDNA Breaks, Double-StrandedNocodazoleIntracellular Signaling Peptides and ProteinsG1 PhaseGamma RaysRecombination, GeneticUltraviolet RaysTumor Suppressor Protein p53Tumor Suppressor ProteinsChromosomal InstabilityChromosome SegregationMolecular Sequence DataGenomic InstabilityRadiation, IonizingCyclin BHeLa CellsMetaphaseCDC2 Protein KinaseProtein BindingCalcium-Binding ProteinsGenes, FungalDNA Helicasescdc25 PhosphatasesS Phase Cell Cycle CheckpointsMethyl MethanesulfonateMeiosisRepressor ProteinsCyclin B1Recombinational DNA RepairAtaxia TelangiectasiaUbiquitin-Protein Ligase ComplexesAmino Acid SequenceCyclin-Dependent Kinase Inhibitor p21Anaphase-Promoting Complex-CyclosomeAnaphaseSignal TransductionExonucleasesDNAEndonucleasesCell DivisionApoptosisPrometaphaseAneuploidyRadiation ToleranceCyclinsChromosomal Proteins, Non-HistoneCell LineHistonesCell Line, TumorModels, BiologicalBRCA1 ProteinEndodeoxyribonucleasesReplication Protein AGene DeletionMicrotubulesAurora KinasesG1 Phase Cell Cycle CheckpointsCarrier ProteinsRNA, Small InterferingCell NucleusExodeoxyribonucleasesBase SequenceChromosomes, FungalChromosomesFibroblastsCentrosome