Degradation ofEscherichia ColiDNA Synthesized after Ultraviolet Irradiation in the Absence of Repair
- 1 January 1984
- journal article
- research article
- Published by Taylor & Francis in International Journal of Radiation Biology
- Vol. 45 (2) , 193-196
- https://doi.org/10.1080/09553008414550211
Abstract
DNA degradation in Escherichia coli uvrA recA bacteria exposed to a low dose (0·07 J/m2) of ultraviolet radiation was studied. A considerable amount of the newly-synthesized DNA, which contains gaps opposite pyrimidine dimers, is broken down. In contrast, parental, dimer-containing DNA is resistant to radiation-induced degradation.Keywords
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