Abstract
A sensitive and rapid in situ method was developed to visualize sites of single-stranded (ss) DNA in cultured cells and in experimental test animals. Anti-bromodeoxyuridine antibody recognizes the halogenated base analog incorporated into chromosomal DNA only when substituted DNA is in the single strand form. After treatment of cells with DNA-damaging agents or γ irradiation, ssDNA molecules form nuclear foci in a dose-dependent manner within 60 min. The mammalian recombination protein Rad51 and the replication protein A then accumulate at sites of ssDNA and form foci, suggesting that these are sites of recombinational DNA repair.
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 10:39 a.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 5:39 p.m.) |
Indexed | 42 minutes ago (Aug. 25, 2025, 11:02 p.m.) |
Issued | 26 years, 5 months ago (March 2, 1999) |
Published | 26 years, 5 months ago (March 2, 1999) |
Published Online | 26 years, 5 months ago (March 2, 1999) |
Published Print | 26 years, 5 months ago (March 2, 1999) |
@article{Raderschall_1999, title={Nuclear foci of mammalian recombination proteins are located at single-stranded DNA regions formed after DNA damage}, volume={96}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.96.5.1921}, DOI={10.1073/pnas.96.5.1921}, number={5}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Raderschall, Elke and Golub, Efim I. and Haaf, Thomas}, year={1999}, month=mar, pages={1921–1926} }