Quantum dots spotlight DNA-repair proteins in motion

Thursday, March 11, 2010 - 12:49 in Physics & Chemistry

Repair proteins appear to efficiently scan the genome for errors by jumping like fleas between DNA molecules, sliding along the strands, and perhaps pausing at suspicious spots, say researchers at the University of Pittsburgh, the University of Essex and the University of Vermont who tagged the proteins with quantum dots to watch the action unfold. The findings are available today in Molecular Cell.

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