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Emphasis is placed in this review article on recent aspects of the photochemistry of cellular DNA in which both the UVB and UVA components of solar radiation are implicated individually or synergistically. Interestingly, further mechanistic insights into the UV-induced formation of DNA photoproducts were gained from the application of new accurate and sensitive chromatographic and enzymic assays aimed...
Oxidation reactions that involve several oxygen and nitrogen reactive species together with nucleobase radical cations give rise among various classes of lesions to modified bases. About 70 of oxidized nucleosides that include diastereomeric forms have been characterized in mechanistic studies involving isolated DNA and related model compounds. However, only eight modified bases have been accurately...
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