Tuesday, December 12, 2006


CELL BIOLOGY: ON THE ORCHESTRATION OF THE MITOTIC SPINDLE: "New work provides the clearest evidence yet that spindle assembly is coordinated by the generation, at chromosomes, of an intracellular gradient of the active guanosine triphosphate (GTP)-bound form of Ran, a small GTPase of the Ras super-family present in all eukaryotic cells."


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