Checkpoint Kinase 2Cell Cycle ProteinsDNA DamageGenes, cdcMad2 ProteinsRad52 DNA Repair and Recombination ProteinProtein-Serine-Threonine KinasesSaccharomyces cerevisiae ProteinsDNA RepairKinetochoresM Phase Cell Cycle CheckpointsSchizosaccharomyces pombe ProteinsMitosisSpindle ApparatusCell CycleSchizosaccharomycesProtein KinasesDNA-Binding ProteinsRad51 RecombinaseNuclear ProteinsSaccharomyces cerevisiaeCdc20 ProteinsAtaxia Telangiectasia Mutated ProteinsFungal ProteinsDNA ReplicationDNA Repair EnzymesG2 PhaseCell Cycle CheckpointsDNA Breaks, Double-StrandedRecombination, GeneticS PhaseDNA, FungalNocodazoleMutationChromosome SegregationPhosphorylationMutagensIntracellular Signaling Peptides and ProteinsHydroxyureaMetaphaseDNA HelicasesProtein BindingRecombinational DNA RepairMeiosisCalcium-Binding ProteinsMethyl MethanesulfonatePrometaphaseHeLa CellsMolecular Sequence DataUltraviolet RaysUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeGenomic InstabilityAnaphaseG2 Phase Cell Cycle CheckpointsEndonucleasesAmino Acid SequenceMutagenicity TestsTumor Suppressor Protein p53ExonucleasesRepressor ProteinsGamma RaysRadiation, IonizingChromosomal Proteins, Non-HistoneDNAEndodeoxyribonucleasesS Phase Cell Cycle CheckpointsTumor Suppressor ProteinsAurora KinasesChromosomal InstabilityCyclin BMicrotubulesG1 PhaseCDC2 Protein KinaseReplication Protein ASignal TransductionDNA, Single-StrandedHistonesCyclin B1Comet AssayCarrier ProteinsAneuploidyExodeoxyribonucleasesApoptosisRNA, Small InterferingModels, BiologicalChromosomesCell LineCell Line, TumorSecurinGenes, FungalTwo-Hybrid System TechniquesSaccharomycetalesGene Expression Regulation, Fungalcdc25 PhosphatasesXenopus ProteinsChromatidsThiabendazoleSequence Homology, Amino AcidChromatin