Issue Date: February 25, 2010
A Protein That Aids Forgetting
The act of forgetting is essential for clearing space in the brain for new information, yet the biochemistry underlying this process has never been ascertained. Now, Yi Zhong, a neuroscientist at Cold Spring Harbor Laboratory, in New York, and coworkers have for the first time identified a molecule that the brain uses to erase short-term memory (Cell 2010, 140, 579).
The molecular eraser is Rac, a small G-protein previously known for its participation . . .
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