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ATP-Dependent Chromatin-Remodeling Complexes in DNA Double-Strand Break Repair: Remodeling, Pairing and (Re)pairing
Jian Huang, Bing Liang, Jiajing Qiu and Brehon C. Laurent
volume 4 | issue 12
december 2005Pages: 1713 - 1715
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The genomic integrity of a eukaryotic cell is challenged by over 10,000 chromosomal lesions per day. Therefore the cell has evolved efficient mechanisms to recognize, signal, and repair DNA breaks. Defects in any of these steps can lead to chromosomal aberrations and cancers. As these lesions must be repaired in the context of chromatin, both chromatin-modifying and nucleosomeremodeling enzymes have been implicated in DNA damage repair. We reported recently that the RSC and Swi/Snf ATP-dependent chromatin-remodeling complexes are involved in DSB repair specifically by homologous recombination. Here we discuss how such enzymes might be recruited to DNA breaks, why so many remodelers are recruited to sites of DSBs, and a possible functional connection between RSC’s roles in sister chromatid cohesion and DSB repair.
We now provide open access to journal articles published online for one year or more. This article may be downloaded at the following link:
Download PDF If the document does not open, please right-click on the link (control-click on a Macintosh) and select the option to save the file to disk.