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Dev Cell. 2005 Apr;8(4):461-5.

Spindle positioning by cortical pulling forces.

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Max-Planck-Institute of Molecular Cell Biology and Genetics, D-01307 Dresden, Germany.


Proper spatial control of the cell division plane is essential to any developing organism. In most cell types, the relative size of the two daughter cells is determined by the position of the mitotic spindle within the geometry of the mother cell. We review the underlying mechanisms responsible for positioning of the mitotic spindle, both in cases where the spindle is placed in the center of the cell and in cases where the spindle is placed away from the center of the cell. We discuss the idea that cortical pulling forces are sufficient to provide a general mechanism for spindle positioning within symmetrically and asymmetrically dividing cells.

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