Nature Communications (Jul 2020)

Detection of the thietane precursor in the UVA formation of the DNA 6-4 photoadduct

  • Luis A. Ortiz-Rodríguez,
  • Christian Reichardt,
  • Sean J. Hoehn,
  • Steffen Jockusch,
  • Carlos E. Crespo-Hernández

DOI
https://doi.org/10.1038/s41467-020-17333-y
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 9

Abstract

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The mechanisms of formation of the (6-4) photoproducts in DNA damage by sunlight is still debated. Here the authors show, by optical spectroscopies and computations, the details of the formation of a (6-4) photoadduct via the thietane intermediate in a single-stranded DNA oligonucleotide.