Genetic mechanics: First-ever 3-D images of DNA damage sensor create
Monday, February 27, 2012 - 08:31
in Biology & Nature
Everything from noxious chemicals found in cigarette smoke or car exhaust, to ultraviolet radiation from the sun, to even something as benign as oxygen is working overtime to damage DNA. Fortunately, all living things have a defense: an intra-cellular mechanic that patrols DNA, searching for errors and repairing them, thousands of times a day.