Centrosomes: Sic transit gloria centri.
Centrosomes are thought to ensure spindle bipolarity and thus correct chromosome segregation during mitosis, but recent studies indicate that somatic cells have an alternative mechanism that enables them to form a bipolar spindle and segregate chromosomes independently of centrosomes.
Hyman
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Max Planck Institute for Cell Biology and Genetics, Dresden, Germany. hyman@embl-heidelberg.de
D018385:Centrosome; D008938:Mitosis; D008954:Models, Biological; D008941:Spindle Apparatus