在人类组织中对哈普洛型解析的表观基因组进行整合性分析
Danny Leung1, Inkyung Jung1, Nisha Rajagopal1
1Ludwig Institute for Cancer Research, La Jolla, CA 92093, USA.
Nature
|February 20, 2015
概括
人类基因组研究揭示了染色质和跨组织转录中的广泛的等位基因偏差. 这些差异,受同质染色体的影响,影响基因调节和遗传模式,为遗传控制机制提供了新的见解.
科学领域:
- 基因组学就是基因组学.
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 人类遗传学 人类遗传学
背景情况:
- 同类染色体之间的等位基因差异可以影响遗传.
- 在人类中,这些基因组差异的全部程度仍然在很大程度上未被探索.
- 了解等位基因变异对于破译基因调节至关重要.
研究的目的:
- 在各种人体组织中划分基色素修饰和转录组.
- 研究基因及其控制序列之间的 cis 调节关系.
- 描述重复元素和 cis 调节元素的组织特异性活动.
主要方法:
- 开发了一个染色体跨越的哈普洛型重建策略.
- 产生了大量的哈普罗型解析表观基因组图集.
- 分析了基因组修饰图和转录基因组数据.
主要成果:
- 揭示了在染色质状态和在人体组织中转录中的广泛的等位基偏差.
- 在组织和个体之间显示出这些偏差的显著差异.
- 确定了 cis 调节元件及其组织受限活动的新特性.
结论:
- 哈普洛型解析的表观基因地图提供了对等位基因调节的深入洞察.
- 基偏差显著影响基因表达程序和遗传.
- 这项研究增强了对人类基因组中cis-regulatory元素机制的理解.
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