Cell Cycle ProteinsCheckpoint Kinase 2DNA DamageCell CycleGenes, cdcProtein-Serine-Threonine KinasesAtaxia Telangiectasia Mutated ProteinsDNA RepairMitosisG2 PhaseSaccharomyces cerevisiae ProteinsNuclear ProteinsCell Cycle CheckpointsMad2 ProteinsProtein KinasesM Phase Cell Cycle CheckpointsDNA-Binding ProteinsSpindle ApparatusS PhaseSchizosaccharomyces pombe ProteinsSchizosaccharomycesKinetochoresDNA ReplicationHydroxyureaSaccharomyces cerevisiaeFungal ProteinsG2 Phase Cell Cycle CheckpointsMutationPhosphorylationCdc20 ProteinsNocodazoleG1 PhaseIntracellular Signaling Peptides and ProteinsDNA Breaks, Double-StrandedDNA, FungalGamma RaysTumor Suppressor ProteinsUltraviolet RaysTumor Suppressor Protein p53Genomic InstabilityRadiation, IonizingCDC2 Protein KinaseCyclin Bcdc25 PhosphatasesRad52 DNA Repair and Recombination ProteinMethyl MethanesulfonateChromosome SegregationChromosomal InstabilityHeLa CellsMetaphaseS Phase Cell Cycle CheckpointsRad51 RecombinaseMolecular Sequence DataDNA Repair EnzymesCalcium-Binding ProteinsGenes, FungalSignal TransductionProtein BindingRepressor ProteinsCyclin B1Recombination, GeneticAnaphaseCyclin-Dependent Kinase Inhibitor p21ApoptosisChromosomal Proteins, Non-HistoneAtaxia TelangiectasiaCell DivisionHistonesUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeModels, BiologicalMeiosisCell Line, TumorCell LineAmino Acid SequenceCyclinsPrometaphaseRadiation ToleranceDNADNA HelicasesBRCA1 ProteinAneuploidyReplication Protein ARNA, Small InterferingGene DeletionCarrier ProteinsCell NucleusMicrotubulesExodeoxyribonucleasesChromosomes, FungalAurora KinasesExonucleasesG1 Phase Cell Cycle CheckpointsRecombinational DNA RepairEndonucleasesChromatinFibroblastsChromosomesTelomereSecurin