Incomplete X-inactivation initiated by a hypomorphic Xist allele in the mouse.

Abstract excerpt

X chromosome inactivation (X-inactivation) in female mammals is triggered by differential upregulation of the Xist gene on one of the two X chromosomes and subsequent coating of the X in cis with its non-coding transcripts. Although targeted mutation has clearly shown that Xist is essential for X-inactivation in cis, the molecular mechanism by which Xist RNA induces chromosome silencing is largely unknown. Here,...

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