Article
DNA methyltransferases are required to induce heterochromatic re-replication in Arabidopsis.
PLoS genetics - 1 Jul 2012
Stroud Hume, Hale Christopher J, Feng Suhua, Caro Elena, Jacob Yannick, Michaels Scott D, Jacobsen Steven E
Abstract excerpt
The relationship between epigenetic marks on chromatin and the regulation of DNA replication is poorly understood. Mutations of the H3K27 methyltransferase genes, Arabidopsis trithorax-related protein5 (ATXR5) and ATXR6, result in re-replication (repeated origin firing within the same cell cycle). Here we show that mutations that reduce DNA methylation act to suppress the re-replication phenotype of atxr5 atxr6...
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