Abstract
IRRADIATION of DNA with ultraviolet light causes chemical and physical alterations. From the chemical point of view the main effect of 254 nm UV light is the formation of pyrimidine dimers. The physical consequence of this is a destabilisation of the DNA double helix presumably by formation of small denatured regions (defects).
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JONKER, L., BLOK, J. Evidence against clustering of thymine dimers in ultraviolet-irradiated DNA. Nature 255, 245–247 (1975). https://doi.org/10.1038/255245a0
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DOI: https://doi.org/10.1038/255245a0
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