Article
Symmetry, asymmetry, and kinetics of silencing establishment in Saccharomyces cerevisiae revealed by single-cell optical assays.
Proceedings of the National Academy of Sciences of the United States of America - 25 Jan 2011
Osborne Erin A, Hiraoka Yasushi, Rine Jasper
Abstract excerpt
In Saccharomyces cerevisiae, silent chromatin inhibits the expression of genes at the HML, HMR, and telomeric loci. When silent chromatin forms de novo, the rate of its establishment is influenced by different chromatin states. In particular, loss of the enzyme Dot1, an H3 K79 methyltransferase, leads to rapid silencing establishment. We tested whether silencing establishment was antagonized by H3 K79 methylation...
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