"Although epigenetic mechanisms silence most ERVs by generating a repressive environment that prevents their expression (heterochromatin), little is known about mechanisms silencing ERVs residing in open regions of the genome (euchromatin)."

https://www.cell.com/molecular-cell/fulltext/S1097-2765(23)00903-6?rss=yes&utm_source=dlvr.it&utm_medium=mastodon