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Expression and epigenomic landscape of the sex chromosomes in mouse post-meiotic male germ cells

机译:小鼠减数分裂后雄性生殖细胞中性染色体的表达和表观基因组学情况

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摘要

Background During meiosis, the X and Y chromosomes are transcriptionally silenced. The persistence of repressive chromatin marks on the sex chromatin after meiosis initially led to the assumption that XY gene silencing persists to some extent in spermatids. Considering the many reports of XY-linked genes expressed and needed in the post-meiotic phase of mouse spermatogenesis, it is still unclear whether or not the mouse sex chromatin is a repressive or permissive environment, after meiosis.
机译:背景在减数分裂期间,X和Y染色体在转录上被沉默。减数分裂后性染色质上抑制性染色质标记的持久性最初导致了这样一个假设,即在精子中XY基因沉默在某种程度上持续存在。考虑到在小鼠精子发生后减数分裂阶段表达和需要的XY连锁基因的许多报道,尚不清楚减数分裂后小鼠性染色质是抑制性还是允许性环境。

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