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"Cellular localization of human Rad51C and regulation of ubiquitin-mediated proteolysis of Rad51." |
Bennett BT, Knight KL |
Published Dec. 15, 2005 in J Cell Biochem volume 96 .
Pubmed ID: 16215984
Abstract:
| Rad51-catalyzed homologous recombination is an important pathway for repair of DNA double strand breaks and maintenance of genome integrity in vertebrate cells. Five proteins referred to as Rad51 paralogs promote Rad51 activity and are proposed to act at various, and in some cases, multiple stages in the recombination pathway. Imaging studies of native Rad51 have revealed its cellular response to DNA damage, yet visualization of the paralog proteins has met with limited success. In this study, we are able to detect endogenous Rad51C and Xrcc3 in human cells. In an effort to determine how Rad51, Rad51C, and Xrcc3 influence the pattern of localization of each other over the time course of DNA damage and repair, we have made the unexpected observation that Rad51 degradation via the ubiquitin-mediated proteasome pathway occurs as a natural part of recombinational DNA repair. Additionally, we find that Rad51C plays an important role in regulating this process. This article contains supplementary material, which may be viewed at the Journal of Cellular Biochemistry website at http://www.interscience.wiley.com/jpages/0730-2312/suppmat/index.html. |
This publication refers to following REPAIRtoire entries:
| Genes |
Last modification of this entry: Oct. 6, 2010
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