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Researchers make the leap to whole-cell simulations
Date:3/30/2011

howed how molecular crowding influences the behavior of a molecule that, when it binds to DNA, shuts down production of the sugar-transporter protein. Even when it wasn't bound to DNA, this repressor remained close to the binding site because other molecules in the cell blocked its escape. These intracellular obstacles reduced its ability to diffuse away.

The new model is only a first step toward an accurate simulation of a whole working cell, the researchers said. The development of better models will rely on the work of those conducting research on actual cells. Their data provide the framework for improving computer models, Luthey-Schulten said, and offer a real-world test of the in silico cells' ability to recreate the behavior of living cells.


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Contact: Diana Yates, Life Sciences Editor
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University of Illinois at Urbana-Champaign
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