DNA Damage Sensing by the ATM and ATR Kinases
Top Cited Papers
Open Access
- 1 September 2013
- journal article
- review article
- Published by Cold Spring Harbor Laboratory in Cold Spring Harbor Perspectives in Biology
- Vol. 5 (9), a012716
- https://doi.org/10.1101/cshperspect.a012716
Abstract
In eukaryotic cells, maintenance of genomic stability relies on the coordinated action of a network of cellular processes, including DNA replication, DNA repair, cell-cycle progression, and others. The DNA damage response (DDR) signaling pathway orchestrated by the ATM and ATR kinases is the central regulator of this network in response to DNA damage. Both ATM and ATR are activated by DNA damage and DNA replication stress, but their DNA-damage specificities are distinct and their functions are not redundant. Furthermore, ATM and ATR often work together to signal DNA damage and regulate downstream processes. Here, we will discuss the recent findings and current models of how ATM and ATR sense DNA damage, how they are activated by DNA damage, and how they function in concert to regulate the DDR.Keywords
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