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The X inactive-specific transcript (Xist) gene is the master regulator of X chromosome inactivation in mammals. Xist produces a long noncoding (lnc)RNA that accumulates over the entire length of the chromosome from which it is transcribed, recruiting factors to modify underlying chromatin and silence X-linked genes in cis Recent years have seen significant progress in identifying important functional elements in Xist RNA, their associated RNA-binding proteins (RBPs), and the downstream pathways for chromatin modification and gene silencing. In this review, we summarize progress in understanding both how these pathways function in Xist-mediated silencing and the complex interplay between them.

Original publication

DOI

10.1101/gad.337196.120

Type

Journal article

Journal

Genes Dev

Publication Date

01/06/2020

Volume

34

Pages

733 - 744

Keywords

LBR, NCoR–HDAC3, Polycomb, RBM15, SPEN, X chromosome inactivation, Xist, chromatin, m6A RNA methylation