A new study of ribosomal RNA gene silencing in the mouse provides clues as to how repressive chromatin states become established. At center stage is a chromatin remodeling complex that recruits DNA methyltransferase and histone deacetylase activities to the gene promoter, initiating a process that includes de novo DNA methylation, methylation of histone H3 on Lys9 and heterochromatin protein binding.
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Pikaard, C., Lawrence, R. Uniting the paths to gene silencing. Nat Genet 32, 340–341 (2002). https://doi.org/10.1038/ng1008
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DOI: https://doi.org/10.1038/ng1008
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Polyploidization and epigenetics
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