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Curr Opin Microbiol. 1998 Dec;1(6):678-86.

Polarity and division site specification in yeast.

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  • 1Department of Zoology, Institute for Cellular and Molecular Biology, The University of Texas, Austin, TX 78712-1064, USA.


A significant component of polarization in budding yeast involves the regulated restructuring of the actin cytoskeleton in response to defined cellular signals. Recent evidence suggests that such cytoskeletal organization arises through the action of large protein complexes that form in response to signals from small GTP-binding proteins, such as Cdc42, Rho, and Ras. These actin-organizing complexes may be fairly diverse, but generally consist of one or more central scaffold proteins, such as those of the formin class, that bind to signaling molecules and recruit actin-binding proteins to bring about desired polarizing events.

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