Authors: George Rajna
University of Arkansas physics researchers have developed a simple, cost-effective method to study the effects of chemicals on DNA which has potential to improve the development and testing of life-saving treatments.  Scientists at the University of Sheffield studying ancient DNA have created a tool allowing them to more accurately identify ancient Eurasian populations, which can be used to test an individual's similarity to ancient people who once roamed the earth.  In new research, Hao Yan of Arizona State University and his colleagues describe an innovative DNA walker, capable of rapidly traversing a prepared track.  Just like any long polymer chain, DNA tends to form knots. Using technology that allows them to stretch DNA molecules and image the behavior of these knots, MIT researchers have discovered, for the first time, the factors that determine whether a knot moves along the strand or "jams" in place. 
Comments: 38 Pages.
[v1] 2019-01-14 06:48:17
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