Article
Step-wise methylation of histone H3K9 positions heterochromatin at the nuclear periphery.
Cell - 31 Aug 2012
Towbin Benjamin D, González-Aguilera Cristina, Sack Ragna, Gaidatzis Dimos, Kalck Véronique, Meister Peter, Askjaer Peter, Gasser Susan M
Abstract excerpt
The factors that sequester transcriptionally repressed heterochromatin at the nuclear periphery are currently unknown. In a genome-wide RNAi screen, we found that depletion of S-adenosylmethionine (SAM) synthetase reduces histone methylation globally and causes derepression and release of heterochromatin from the nuclear periphery in Caenorhabditis elegans embryos. Analysis of histone methyltransferases (HMTs)...
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