Adenine radicals generated in alternating AT duplexes by direct absorption of low-energy UV radiation

Author:

Banyasz Akos12345ORCID,Ketola Tiia12345,Martínez-Fernández Lara678ORCID,Improta Roberto12345ORCID,Markovitsi Dimitra12345ORCID

Affiliation:

1. LIDYL

2. CEA

3. CNRS

4. Université Paris-Saclay

5. F-91191 Gif-sur-Yvette

6. Istituto Biostrutture e Bioimmagini – Consiglio Nazionale delle Ricerche

7. I-80134 Napoli

8. Italy

Abstract

The absorption of single photons at 266 nm by alternating adenine–thymine duplexes generates, with similar probabilities, both adenine radicals and adenine–thymine photoadducts.

Funder

French National Research Agency

CNRS

Université Paris-Saclay

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry

Reference47 articles.

1. J. Cadet , A.Grand and T.Douki , in Photoinduced Phenomena in Nucleic Acids II: DNA Fragments and Phenomenological Aspects , ed. M. Barbatti , A. C. Borin and S. Ullrich , 2015 , vol. 356 , pp. 249–275

2. One-electron oxidation reactions of purine and pyrimidine bases in cellular DNA

3. Oxidation Half-Reaction of Aqueous Nucleosides and Nucleotides via Photoelectron Spectroscopy Augmented by ab Initio Calculations

4. Direct Oxidative Damage of Naked DNA Generated upon Absorption of UV Radiation by Nucleobases

5. J. Cadet and P.Vigny , in Bioorganic Photochemistry , ed. H. Morrison , John Wiley & Sons , New York , 1990 , pp. 1–272

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