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Genes Dev. 2011 Mar 1;25(5):409-33. doi: 10.1101/gad.2021311.

Dynamics of DNA damage response proteins at DNA breaks: a focus on protein modifications.

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  • 1The Gurdon Institute, Department of Biochemistry, University of Cambridge, Cambridge CB21QN, United Kingdom.


Genome integrity is constantly monitored by sophisticated cellular networks, collectively termed the DNA damage response (DDR). A common feature of DDR proteins is their mobilization in response to genotoxic stress. Here, we outline how the development of various complementary methodologies has provided valuable insights into the spatiotemporal dynamics of DDR protein assembly/disassembly at sites of DNA strand breaks in eukaryotic cells. Considerable advances have also been made in understanding the underlying molecular mechanisms for these events, with post-translational modifications of DDR factors being shown to play prominent roles in controlling the formation of foci in response to DNA-damaging agents. We review these regulatory mechanisms and discuss their biological significance to the DDR.

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