DNMT3B PWWP mutations cause hypermethylation of heterochromatin
Francesca Taglini,
Ioannis Kafetzopoulos,
Willow Rolls
et al.
Abstract:The correct establishment of DNA methylation patterns is vital for mammalian development and is achieved by the de novo DNA methyltransferases DNMT3A and DNMT3B. DNMT3B localises to H3K36me3 at actively transcribing gene bodies via its PWWP domain. It also functions at heterochromatin through an unknown recruitment mechanism. Here, we find that knockout of DNMT3B causes loss of methylation predominantly at H3K9me3-marked heterochromatin and that DNMT3B PWWP domain mutations or deletion result in striking incre… Show more
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