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Formation of Inter-Strand Cross-Linkings in the Photoreactions between Furocoumarins and DNA
Open accessAbstract
A furocoumarin intercalated between two base pairs of native DNA can photoreact with two pyrimidine bases engaging both its 4',5'- and its 3,4-double bond. This fact was evidenced studying the behaviour of the fluorescence acquired by DNA during irradiation at 365 nm. When this double reaction occurs, a cross-linking is formed between the two strands of DNA, as denaturation and renaturation experiments have demonstrated. The various furocoumarin derivatives have a very diverse ability to form cross-linkages, which is independent of their photobinding capacity. This different ability is due mainly to the structure of furocoumarins and to the steric relationships that the intercalated furocoumarin molecules have with the stacked pyrimidine bases.
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Cited by
Photochemotherapy of Psoriasis with Oral Methoxsalen and Longwave Ultraviolet Light
Parrish, J. A., Fitzpatrick, T. B., Tanenbaum, L., & Pathak, M. A. (1974) · New England Journal of Medicine · doi:10.1056/nejm197412052912301 · Cited by 1,376
Cimino, G. D., Gamper, H. B., Isaacs, S. T., & Hearst, J. E. (1985) · Annual Review of Biochemistry · doi:10.1146/annurev.bi.54.070185.005443 · Cited by 744
Metadata
- Authors
- Dall’Acqua, F., Marciani, S., Ciavatta, L., & Rodighiero, G.
- Venue
- Zeitschrift für Naturforschung B
- Publisher
- Walter de Gruyter GmbH
- Published
- 1971-06-01
- Volume
- 26
- Issue
- 6
- Pages
- 561-569
- ISSN
- 0044-3174 (ISSN-L)
- 1865-7117
- 0932-0776
- OpenAlex
- W1998592049
- Cited by
- 211
- References
- 0
- FWCI
- 1.57
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Dall’Acqua, F., Marciani, S., Ciavatta, L., & Rodighiero, G. (1971). Formation of Inter-Strand Cross-Linkings in the Photoreactions between Furocoumarins and DNA. Zeitschrift für Naturforschung B. https://doi.org/10.1515/znb-1971-0613
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
