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Cell Cycle. 2007 May 2;6(9):1090-5. Epub 2007 May 8.

The INO80 chromatin remodeling complex functions in sister chromatid cohesion.

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  • 1Molecular Cell Biology Laboratory, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai, Miyagi, Japan.


Here we identify a defect in sister chromatid cohesion in the Saccharomyces serevisiae arp8 mutant, which impairs the chromatin remodeling activity of the INO80 complex, and we report the direct association of Ino80 with centromeres and cohesin-associated regions. In early S phase, Ino80 is recruited to replication forks along with Ctf18 and PCNA, both of which are involved in the establishment of sister chromatid cohesion. The arp8 mutation perturbs the association of Ctf18 and PCNA but not of cohesin with replication forks. We propose that the INO80 complex is required for the proper establishment of sister chromatid cohesion.

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