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Genetic and epigenetic variation among inbred mouse littermates: identification of inter-individual differentially methylated regions

机译:近交小鼠同窝仔的遗传和表观遗传变异:个体间差异甲基化区域的鉴定

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摘要

BackgroundPhenotypic variability among inbred littermates reared in controlled environments remains poorly understood. Metastable epialleles refer to loci that intrinsically behave in this way and a few examples have been described. They display differential methylation in association with differential expression. For example, inbred mice carrying the agouti viable yellow (Avy) allele show a range of coat colours associated with different DNA methylation states at the locus. The availability of next-generation sequencing, in particular whole genome sequencing of bisulphite converted DNA, allows us, for the first time, to search for metastable epialleles at base pair resolution.
机译:背景技术在受控环境中饲养的近交同窝仔的表型变异性仍然知之甚少。亚稳态的等位基因是指以这种方式固有地表现的基因座,并且已经描述了一些例子。它们显示差异甲基化与差异表达。例如,携带刺豚鼠可行的黄色(A vy )等位基因的近交小鼠在基因座处显示出一系列与不同DNA甲基化状态相关的被毛颜色。下一代测序的可用性,尤其是亚硫酸氢盐转化的DNA的全基因组测序,使我们第一次能够以碱基对的分辨率寻找亚稳态的等位基因。

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