SGD Paper 
Rolef Ben-Shahar T, et al. (2008) Eco1-dependent cohesin acetylation during establishment of sister chromatid cohesion. Science 321(5888):563-6
Abstract: Replicated chromosomes are held together by the chromosomal cohesin complex from the time of their synthesis in S phase onward. This requires the replication fork-associated acetyl transferase Eco1, but Eco1's mechanism of action is not known. We identified spontaneous suppressors of the thermosensitive eco1-1 allele in budding yeast. An acetylation-mimicking mutation of a conserved lysine in cohesin's Smc3 subunit makes Eco1 dispensable for cell growth, and we show that Smc3 is acetylated in an Eco1-dependent manner during DNA replication to promote sister chromatid cohesion. A second set of eco1-1 suppressors inactivate the budding yeast ortholog of the cohesin destabilizer Wapl. Our results indicate that Eco1 modifies cohesin to stabilize sister chromatid cohesion in parallel with a cohesion establishment reaction that is in principle Eco1-independent.
| Status: Published | Type: Journal Article | Research Support, Non-U.S. Gov't | PubMed ID: 18653893 |
Topics addressed in this paper
Number of different genes curated to this paper: 3
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