Article
Oscillatory dynamics of Cdc42 GTPase in the control of polarized growth.
Science (New York, N.Y.) - 13 Jul 2012
Das Maitreyi, Drake Tyler, Wiley David J, Buchwald Peter, Vavylonis Dimitrios, Verde Fulvia
Abstract excerpt
Cells promote polarized growth by activation of Rho-family protein Cdc42 at the cell membrane. We combined experiments and modeling to study bipolar growth initiation in fission yeast. Concentrations of a fluorescent marker for active Cdc42, Cdc42 protein, Cdc42-activator Scd1, and scaffold protein Scd2 exhibited anticorrelated fluctuations and oscillations with a 5-minute average period at polarized cell tips....
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