Spindle ApparatusNuclear Matrix-Associated ProteinsMitosisMicrotubulesCentrosomeChromosome SegregationTubulinMeiosisMuscle SpindlesGolgi ApparatusCell Cycle ProteinsFluorescent Antibody TechniqueHeLa CellsMolecular Sequence DataAnaphaseKinetochoresMetaphaseKinesinMicrotubule-Associated ProteinsNocodazoleMad2 ProteinsAurora KinasesChromosomesDyneinsTelophaseM Phase Cell Cycle CheckpointsCytokinesisMicroscopy, FluorescenceOocytesProtein-Serine-Threonine KinasesMicrotubule-Organizing CenterSaccharomyces cerevisiae ProteinsMicrotubule ProteinsMutationMicroscopy, ElectronNuclear ProteinsMotor Neurons, GammaCentriolesCell CycleProphaseSaccharomyces cerevisiaePrometaphaseOrganoidsCentromereCell PolarityBirefringenceProtein TransportCdc20 Proteinsran GTP-Binding ProteinAmino Acid SequenceInterphaseXenopus Proteins