Spindle ApparatusCell CycleMitosisCell Cycle ProteinsMicrotubulesCentrosomeMuscle SpindlesAnaphaseMicrotubule-Associated ProteinsKinetochoresMetaphaseTubulinNocodazoleKinesinChromosome SegregationInterphaseNuclear Matrix-Associated ProteinsTelophaseAurora KinasesHeLa CellsCell DivisionProtein-Serine-Threonine KinasesCell Cycle CheckpointsChromosomesCDC2 Protein KinaseDyneinsMad2 ProteinsMeiosisNuclear ProteinsCentriolesG2 PhaseG1 PhaseM Phase Cell Cycle CheckpointsCyclin BProphaseSaccharomyces cerevisiae ProteinsCytokinesisMutationMolecular Sequence DataSaccharomyces cerevisiaeMicrotubule ProteinsCell NucleusMicroscopy, FluorescencePhosphorylationGenes, cdcS PhaseCell LineCyclinsModels, BiologicalAmino Acid SequenceFungal ProteinsFluorescent Antibody TechniqueSchizosaccharomycesUbiquitin-Protein Ligase ComplexesXenopus ProteinsAnaphase-Promoting Complex-CyclosomeProtein Bindingran GTP-Binding ProteinApoptosisChromosomal Proteins, Non-HistoneRNA InterferenceCentromereCell PolarityCyclin B1Cell Line, TumorPrometaphaseCell ProliferationSchizosaccharomyces pombe ProteinsEmbryo, NonmammalianRecombinant Fusion ProteinsProtein KinasesAurora Kinase ACell Nucleus DivisionDemecolcineOocytesCdc20 ProteinsDrosophila ProteinsTubulin ModulatorsMolecular Motor ProteinsAurora Kinase BTime FactorsMicrotubule-Organizing CenterCells, CulturedDNA-Binding ProteinsPolyploidyChromatidsCell ExtractsRNA, Small InterferingNuclear EnvelopeAntigens, NuclearDNA ReplicationG2 Phase Cell Cycle CheckpointsDNA DamageSignal TransductionTumor Suppressor Protein p53Base SequenceCytoplasmGreen Fluorescent ProteinsOvumMenstrual Cycle