How key enzyme repairs sun-damaged DNA
Sunday, July 25, 2010 - 14:21
in Biology & Nature
Researchers have long known that humans lack a key enzyme -- one possessed by most of the animal kingdom and even plants -- that reverses severe sun damage. For the first time, researchers have witnessed how this enzyme works at the atomic level to repair sun-damaged DNA. The discovery holds promise for future sunburn remedies and skin cancer prevention.