Article
Extensive meiotic asynapsis in mice antagonises meiotic silencing of unsynapsed chromatin and consequently disrupts meiotic sex chromosome inactivation.
The Journal of cell biology - 28 Jul 2008
Mahadevaiah Shantha K, Bourc'his Déborah, de Rooij Dirk G, Bestor Timothy H, Turner James M A, Burgoyne Paul S
Abstract excerpt
Chromosome synapsis during zygotene is a prerequisite for the timely homologous recombinational repair of meiotic DNA double-strand breaks (DSBs). Unrepaired DSBs are thought to trigger apoptosis during midpachytene of male meiosis if synapsis fails. An early pachytene response to asynapsis is meiotic silencing of unsynapsed chromatin (MSUC), which, in normal males, silences the X and Y chromosomes (meiotic sex...
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