Transcription-coupled repair in RNA polymerase I-transcribed genes of yeast.

  title={Transcription-coupled repair in RNA polymerase I-transcribed genes of yeast.},
  author={Antonio Conconi and Vyacheslav A Bespalov and Michael J. Smerdon},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={99 2},
Nucleotide excision repair (NER) of UV-induced cyclobutane pyrimidine dimers (CPDs) was measured in the individual strands of transcriptionally active and inactive ribosomal genes of yeast. Ribosomal genes (rDNA) are present in multiple copies, but only a fraction of them is actively transcribed. Restriction enzyme digestion was used to specifically release the transcriptionally active fraction from yeast nuclei, and selective psoralen crosslinking was used to distinguish between active and… CONTINUE READING
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