The transition of closely opposed lesions to double-strand breaks during long-patch base excision repair is prevented by the coordinated action of DNA polymerase delta and Rad27/Fen1.

@article{Ma2009TheTO,
  title={The transition of closely opposed lesions to double-strand breaks during long-patch base excision repair is prevented by the coordinated action of DNA polymerase delta and Rad27/Fen1.},
  author={Wenjian Ma and Vijayalakshmi Panduri and Joan F. Sterling and Bennett Van Houten and Dmitry A Gordenin and Michael A. Resnick},
  journal={Molecular and cellular biology},
  year={2009},
  volume={29 5},
  pages={1212-21}
}
DNA double-strand breaks can result from closely opposed breaks induced directly in complementary strands. Alternatively, double-strand breaks could be generated during repair of clustered damage, where the repair of closely opposed lesions has to be well coordinated. Using single and multiple mutants of Saccharomyces cerevisiae (budding yeast) that impede the interaction of DNA polymerase delta and the 5'-flap endonuclease Rad27/Fen1 with the PCNA sliding clamp, we show that the lack of… CONTINUE READING
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