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DNA Damage-Induced Cohesion
Lena Ström and Camilla Sjögren
volume 4 | issue 4
april 2005Pages: 536-539
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The protein complex Cohesin, forming protein-links that hold sister chromatids together, is at the heart of chromatid cohesion. Cohesion is important both for correct chromosome segregation and double-strand break (DSB) repair, making Cohesin central for the maintenance of genome stability. Until now, establishment of Cohesin links between chromatids has been shown to occur during DNA replication only. Recently it was however observed that in cells arrested in G2/M, DSB induction not only elicits chromosomal recruitment of Cohesin, but also formation of chromatid cohesion. The establishment of cohesion outside the period of replication opens a new field of investigation. Here we present results further supporting the formation of sister chromatid cohesion in response to DNA damage, and propose a model of how damage-induced cohesion could contribute to the linkage of chromatids during normal cell cycle progression.
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.