Article
Epigenetic conflict on a degenerating Y chromosome increases mutational burden in Drosophila males.
Nature communications - 2 Nov 2020
Wei Kevin H-C, Gibilisco Lauren, Bachtrog Doris
Abstract excerpt
Large portions of eukaryotic genomes consist of transposable elements (TEs), and the establishment of transcription-repressing heterochromatin during early development safeguards genome integrity in Drosophila. Repeat-rich Y chromosomes can act as reservoirs for TEs ('toxic' Y effect), and incomplete epigenomic defenses during early development can lead to deleterious TE mobilization. Here, we contrast the...
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