August 4, 1999
University Of Southern California
University researchers have resolved an enigma of more than three decades standing by definitively establishing how ultraviolet radiation causes genetic mutation in a common bacteria. The resolution is a surprise. While radiation is the stimulus, the group found, most of the resulting mutations are self-inflicted wounds, caused by a highly error-prone emergency DNA copying system of a novel kind.
Novel, Mutation-Prone DNA Replication Enzyme Identified
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University Of Southern California. "DNA: A Sloppier Copier." ScienceDaily. ScienceDaily, 4 August 1999. <www.sciencedaily.com/releases/1999/08/990804072359.htm>.
University Of Southern California. (1999, August 4). DNA: A Sloppier Copier. ScienceDaily. Retrieved April 19, 2014 from www.sciencedaily.com/releases/1999/08/990804072359.htm
University Of Southern California. "DNA: A Sloppier Copier." ScienceDaily. www.sciencedaily.com/releases/1999/08/990804072359.htm (accessed April 19, 2014).