PLX271674

GSE74547: ETO Family Protein Mtgr1 Mediates Prdm14 Functions in Stem Cell Maintenance

  • Organsim mouse
  • Type RNASEQ
  • Target gene
  • Project ARCHS4

Prdm14 is a sequence-specific transcriptional regulator of embryonic stem cell (ESC) pluripotency and primordial germ cell (PGC) formation. It exerts its function, at least in part, through repressing genes associated with epigenetic modification and cell differentiation. Here, we show that this repressive function is mediated through an ETO-family co-repressor Mtgr1, which tightly binds to the pre-SET/SET domains of Prdm14 and co-occupies its genomic targets in mouse ESCs. Structure-guided point mutants abrogated the Prdm14-Mtgr1 association and disrupted Prdm14's function in mESC gene expression and PGC formation in vitro. Altogether, our work uncovers the molecular mechanism underlying Prdm14-mediated repression. SOURCE: Natalie NadyWysocka Stanford

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