Cell CycleCell Cycle ProteinsGenes, cdcCheckpoint Kinase 2DNA DamageG2 PhaseCyclin D1Cell Cycle CheckpointsMitosisCyclin AProtein-Serine-Threonine KinasesS PhaseCyclin BCyclin EAtaxia Telangiectasia Mutated ProteinsProtein KinasesCyclin B1DNA RepairG1 PhaseSpindle ApparatusG2 Phase Cell Cycle CheckpointsHydroxyureaCyclinsM Phase Cell Cycle CheckpointsDNA-Binding ProteinsNuclear ProteinsTumor Suppressor Protein p53DNA ReplicationGamma RaysTumor Suppressor ProteinsMad2 ProteinsSaccharomyces cerevisiae ProteinsSchizosaccharomycesCyclin D2Cyclin D3CDC2 Protein KinaseMutationFungal ProteinsSchizosaccharomyces pombe ProteinsCyclin A1cdc25 PhosphatasesPhosphorylationCyclin-Dependent Kinase Inhibitor p21Saccharomyces cerevisiaeAtaxia TelangiectasiaChromosomal InstabilityRadiation, IonizingCyclin DUltraviolet RaysCell DivisionCyclin A2Genes, FungalCyclin-Dependent Kinase 2Cyclin-Dependent KinasesApoptosisIntracellular Signaling Peptides and ProteinsRadiation ToleranceRetinoblastoma ProteinMolecular Sequence DataGenomic InstabilityG1 Phase Cell Cycle CheckpointsCell Line, TumorCDC2-CDC28 KinasesCell LineSignal TransductionHeLa CellsNocodazoleDNA, FungalS Phase Cell Cycle CheckpointsFibroblastsBase SequenceCyclin GDNA Breaks, Double-StrandedCyclin-Dependent Kinase 4Cyclin G1Gene DeletionCDC28 Protein Kinase, S cerevisiaeCyclin-Dependent Kinase Inhibitor p27Flow CytometryCell ProliferationModels, BiologicalAneuploidyRepressor ProteinsTumor Cells, CulturedBRCA1 ProteinCell NucleusHistonesChromosomes, FungalGenes, p53Neoplasm ProteinsDNAPhenotypeGene Expression Regulation, NeoplasticKinetochoresProtein BindingCyclin CCells, CulturedRNA, Small InterferingAmino Acid SequenceCell Survival