Cell Cycle ProteinsCheckpoint Kinase 2DNA DamageCell CycleGenes, cdcMitosisProtein-Serine-Threonine KinasesG2 PhaseCell Cycle CheckpointsDNA RepairProtein KinasesAtaxia Telangiectasia Mutated ProteinsMad2 ProteinsSpindle ApparatusM Phase Cell Cycle CheckpointsSaccharomyces cerevisiae ProteinsS PhaseDNA-Binding ProteinsSchizosaccharomyces pombe ProteinsNuclear ProteinsSchizosaccharomycesSaccharomyces cerevisiaeDNA ReplicationHydroxyureaTelomereFungal ProteinsG2 Phase Cell Cycle CheckpointsKinetochoresMutationG1 PhaseRad52 DNA Repair and Recombination ProteinGamma RaysDNA, FungalPhosphorylationTumor Suppressor Protein p53Tumor Suppressor ProteinsIntracellular Signaling Peptides and ProteinsChromosomal InstabilityDNA Breaks, Double-StrandedNocodazoleRad51 RecombinaseUltraviolet RaysCdc20 ProteinsDNA Repair EnzymesMolecular Sequence DataRadiation, IonizingCyclin BGenomic InstabilityCDC2 Protein Kinasecdc25 PhosphatasesGenes, FungalAtaxia TelangiectasiaHeLa CellsRecombination, GeneticTelomeric Repeat Binding Protein 1Cyclin-Dependent Kinase Inhibitor p21S Phase Cell Cycle CheckpointsProtein BindingMetaphaseTelomeric Repeat Binding Protein 2CyclinsChromosome SegregationDNACell DivisionCyclin B1ApoptosisRepressor ProteinsCalcium-Binding ProteinsTelomere-Binding ProteinsRadiation ToleranceSignal TransductionCell LineBase SequenceCell Line, TumorDNA HelicasesMethyl MethanesulfonateAmino Acid SequenceAneuploidyHistonesGene DeletionG1 Phase Cell Cycle CheckpointsModels, BiologicalChromosomes, FungalExonucleasesMeiosisBRCA1 ProteinAnaphaseUbiquitin-Protein Ligase ComplexesFibroblastsAnaphase-Promoting Complex-CyclosomeChromosomal Proteins, Non-HistoneChromosomesCell NucleusRNA, Small InterferingEndonucleasesFlow CytometryCarrier ProteinsPhenotypeReplication Protein AChromatin