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Claudia Schaerer-Brodbeck, Howard Riezman

Interdependence of Filamentous Actin and Microtubules for Asymmetric Cell Division

Asymmetric cell divisions are crucial to the generation of cell fate diversity. They contribute to unequal distribution of cellular factors to the daughter cells. Asymmetric divisions are characterized by a 90° rotation of the mitotic spindle. There is increasing evidence that a tight cooperation between cortical, filamentous actin and astral microtubules is indispensable for successful spindle rotation. Over the past years, the dynactin complex has emerged as a key candidate to mediate actin/microtubule interaction at the cortex. This review discusses our current understanding of how spindle rotation is accomplished by the interplay of filamentous actin and microtubules in a variety of experimental systems.

Biological Chemistry, Walter de Gruyter

Print ISSN: 1431-6730
Volume: 381, 09/2000
Pages: 815 - 825

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