Article
Two means of transcriptional reactivation within heterochromatin.
The Plant journal : for cell and molecular biology - 1 Feb 2003
Probst Aline V, Fransz Paul F, Paszkowski Jerzy, Mittelsten Scheid Ortrun
Abstract excerpt
DNA methylation levels and specific histone modifications of chromatin in interphase nuclei are taken as an indicator of transcriptional activity or silencing. Arabidopsis mutants impaired in maintenance of transcriptional gene silencing (TGS) alleviate TGS with or without affecting DNA methylation. Mutant ddm1, representing the first type, lacks a chromatin remodeling factor that regulates histone and DNA...
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