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Contact: Roland Wedlich-Söldner
wedlich@biochem.mpg.de
49-898-578-3410
Max-Planck-Gesellschaft
Caption: A) Cortical polarity in a yeast cell: Fluorescent Cdc42 molecules form a cap in the membrane of a yeast cell (arrow). A fluid-filled vacuole inside the cell appears as a white circle. The white bar indicates two micrometres. B) Schematic model of cortical polarity and its molecular mechanisms: diffusion (double sided arrows), active transport (arrows towards the plasma membrane) and endocytosis (arrows away from the plasma membrane). Taken together they allow the accumulation of Cdc42 molecules (blue circles) and the creation of a cap.
Credit: Max Planck Institute of Biochemistry
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