M Phase Cell Cycle CheckpointsCell Cycle ProteinsCheckpoint Kinase 2MitosisGenes, cdcMad2 ProteinsKinetochoresProtein-Serine-Threonine KinasesSpindle ApparatusDNA DamageCell CycleG2 PhaseNocodazoleCdc20 ProteinsProtein KinasesCell Cycle CheckpointsHydroxyureaChromosomal InstabilityS PhaseChromosome SegregationNuclear ProteinsSchizosaccharomycesAtaxia Telangiectasia Mutated ProteinsSchizosaccharomyces pombe ProteinsAnaphaseSaccharomyces cerevisiae ProteinsCalcium-Binding ProteinsDNA ReplicationAntimitotic AgentsDNA-Binding ProteinsMutationHeLa CellsAnaphase-Promoting Complex-CyclosomeUbiquitin-Protein Ligase ComplexesCyclin BAneuploidyRepressor ProteinsCDC2 Protein KinaseG2 Phase Cell Cycle CheckpointsPhosphorylationDNA RepairFungal ProteinsSaccharomyces cerevisiaeAurora KinasesS Phase Cell Cycle Checkpointscdc25 PhosphatasesPotoroidaeG1 PhaseMetaphaseTumor Suppressor Protein p53Aurora Kinase BMicrotubulesChromosomal Proteins, Non-HistoneMolecular Sequence DataGamma RaysDNA, FungalRadiation, IonizingTumor Suppressor ProteinsSignal TransductionPrometaphaseChromosomesAmino Acid SequenceProtein BindingCell Line, TumorCyclin B1Carrier ProteinsModels, BiologicalPolyploidyTubulin ModulatorsUltraviolet RaysHistonesGenes, FungalCentrosomeGenomic InstabilityRNA, Small InterferingCell LineDNA Breaks, Double-StrandedCell NucleusRNA InterferenceBase SequenceNucleic Acid Synthesis InhibitorsMeiosisCyclinsCell DivisionApoptosisIntracellular Signaling Peptides and ProteinsAtaxia TelangiectasiaChromosomes, HumanBRCA1 ProteinRadiation ToleranceExonucleasesTranscription Factors14-3-3 ProteinsChromatinGene Expression Regulation, FungalSequence Homology, Amino AcidMicrotubule-Associated ProteinsChromatidsProtein Structure, TertiaryPhenotype