PrometaphaseCell CycleCell Cycle ProteinsMitosisCheckpoint Kinase 2Spindle ApparatusMetaphaseKinetochoresM Phase Cell Cycle CheckpointsCell Cycle CheckpointsProtein-Serine-Threonine KinasesG2 PhaseGenes, cdcProphaseG2 Phase Cell Cycle CheckpointsAnaphaseDNA DamageNocodazoleS PhaseChromosomesChromosome SegregationMicrotubulesCdc20 ProteinsProtein KinasesG1 PhaseCyclin BNuclear ProteinsCDC2 Protein KinaseHeLa CellsCyclin B1Aurora Kinase BAurora KinasesPhosphorylationUbiquitin-Protein Ligase ComplexesAnaphase-Promoting Complex-CyclosomeCell DivisionMad2 ProteinsDNA ReplicationAtaxia Telangiectasia Mutated ProteinsCentromereS Phase Cell Cycle CheckpointsMeiosisChromosomal Proteins, Non-HistoneInterphaseDNA-Binding ProteinsHydroxyureaMicrotubule-Associated ProteinsSecurinTelophaseMutationSaccharomyces cerevisiae ProteinsCyclinsSchizosaccharomycesCell LineCentrosomeCell Line, TumorChromosomes, HumanSchizosaccharomyces pombe Proteinscdc25 PhosphatasesTumor Suppressor Protein p53Saccharomyces cerevisiaeModels, BiologicalCyclin AApoptosisCyclin-Dependent Kinase Inhibitor p21Tumor Suppressor ProteinsTubulinDNA RepairMolecular Sequence DataRNA InterferenceChromatidsCell NucleusSalamandridaeMicroscopy, FluorescenceG1 Phase Cell Cycle CheckpointsSignal TransductionKinesinRNA, Small InterferingCalcium-Binding ProteinsFungal ProteinsCell ProliferationProtein BindingRetinoblastoma ProteinAmino Acid SequenceHistonesTime FactorsMenstrual CycleDyneinsRepressor ProteinsCell Nucleus DivisionCyclin-Dependent Kinase 2Cell Nucleus ShapeCyclin-Dependent Kinase Inhibitor p27Cells, CulturedCytokinesisOocytesFlow CytometryMacropodidaeDNACarrier Proteins