M Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsCell CycleG2 PhaseS Phase Cell Cycle CheckpointsG1 Phase Cell Cycle CheckpointsAllyl CompoundsCell Cycle ProteinsCell Cycle CheckpointsIsothiocyanatesMitosisDNA DamageS PhaseCheckpoint Kinase 2Cell Line, TumorG1 PhaseApoptosisGenes, cdcCell ProliferationAtaxia Telangiectasia Mutated ProteinsProtein-Serine-Threonine KinasesCell DivisionTumor Suppressor Protein p53Phosphorylationcdc25 PhosphatasesProtein KinasesCDC2 Protein KinaseCyclin-Dependent Kinase Inhibitor p21DNA RepairCyclinsCyclin B1DNA-Binding ProteinsFlow CytometryTumor Suppressor ProteinsDNA ReplicationCyclin BNuclear ProteinsGamma RaysHydroxyureaAtaxia TelangiectasiaRadiation, IonizingSpindle ApparatusRetinoblastoma ProteinHeLa CellsG0 PhaseRadiation ToleranceCyclin-Dependent Kinase 2Cell LineSignal TransductionCyclin-Dependent KinasesMutationCyclin-Dependent Kinase Inhibitor p27NocodazoleCyclin ECyclin D1Saccharomyces cerevisiae ProteinsGenomic InstabilityUltraviolet RaysCell SurvivalSaccharomyces cerevisiaeTumor Cells, CulturedSchizosaccharomycesFibroblastsSchizosaccharomyces pombe ProteinsRNA, Small InterferingHistonesDNA Breaks, Double-StrandedBlotting, WesternAntineoplastic Agents, PhytogenicCyclin-Dependent Kinase 4Molecular Sequence DataMimosineCell NucleusModels, BiologicalCells, CulturedAntineoplastic AgentsChromosomal InstabilityInterphaseFungal ProteinsDNABRCA1 ProteinCyclin AAphidicolinCDC2-CDC28 KinasesKinetochoresGenes, p53Amino Acid SequenceTranscription FactorsProtein BindingGene Expression Regulation, NeoplasticDose-Response Relationship, RadiationIntracellular Signaling Peptides and ProteinsTime FactorsMethyl MethanesulfonateDNA Repair EnzymesMetaphaseDose-Response Relationship, DrugChromatinCentrosomeBase Sequence