Related Experiment Videos
Nucleotide excision repair and chromatin remodeling
1Division of Gene Therapy Science, Osaka University School of Medicine, Suita, Japan.
European Journal of Biochemistry
|May 3, 2002
Summary
DNA organization in chromatin impacts DNA damage and repair. Nucleotide excision repair (NER) may require ATP-dependent chromatin remodeling for efficient DNA repair.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- DNA is organized into chromatin in eukaryotic nuclei.
- Chromatin structure represses transcription but must be accessible for DNA repair.
- DNA repair processes, like nucleotide excision repair (NER), involve large protein complexes.
Purpose of the Study:
- To review recent evidence on the role of chromatin remodeling in DNA repair.
- To investigate the necessity of ATP-dependent chromatin remodeling in NER.
Main Methods:
- Review of existing scientific literature.
- Analysis of experimental data on nucleotide excision repair (NER).
Main Results:
- Evidence suggests some steps of NER require ATP-dependent chromatin remodeling.
- Other NER steps may not necessitate ATP-dependent chromatin remodeling.
Conclusions:
- Chromatin accessibility is crucial for DNA repair.
- ATP-dependent chromatin remodeling plays a role in specific stages of NER.