THE RADIATION-CHEMISTRY OF D(CPGPTPA) IN THE PRESENCE OF OXYGEN

被引:30
作者
BUDZINSKI, EE
DAWIDZIK, JD
WALLACE, JC
FREUND, HG
BOX, HC
机构
[1] Biophysics Department, Roswell Park Cancer Institute, Buffalo
关键词
D O I
10.2307/3578973
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
This report extends our investigation of double base lesions produced by irradiation of DNA model compounds. Studies of d(CpGpTpA) X-irradiated in oxygenated aqueous solution show that two of the five principal products are oligomers having adjacent bases damaged. In these oligomers guanine is hydroxylated at the 8-position and an adjacent pyrimidine is degraded to a formamido remnant. (C) 1995 by Radiation Research Society
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页码:107 / 109
页数:3
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