A special photoproduct of UV-irradiated DNA in vacuo.
作者信息
Bucker H, Dose K, Horneck G, Thomas C
机构信息
DFVLR, Institut fur Flugmedizin, Frankfurt/M. FRG.
出版信息
Life Sci Space Res. 1979;17:111-5. doi: 10.1016/b978-0-08-023416-8.50018-0.
Abstract
DNA isolated from E. coli B/r cells was UV-irradiated at 254 nm under high vacuum of 10(-7) torr. Compared with DNA in solution, the formation of cis-syn thymine dimers (TT) was decreased, and the formation of cytosine thymine dimers (CT) and a photoproduct of RF value 0.41 was increased. The latter photoproduct was identified as tran-syn TT which is preferentially produced in heat-denaturated DNA.
摘要
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