全基因组的ATAC-see查确定了TFDP1作为全球染色体可访问性的调节器
Satoko Ishii1,2,3, Taishi Kakizuka4, Sung-Joon Park5
1The Graduate University for Advanced Studies, SOKENDAI, Okazaki, Japan.
Nature genetics
|February 16, 2024
概括
研究人员发现了控制染色质可访问性的新基因,这是细胞身份的关键. 发现TFDP1调节了基因素水平,影响了全球染色质可访问性和细胞工程.
科学领域:
- 分子生物学分子生物学
- 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.
背景情况:
- 染色体可访问性对于基因调节和细胞身份至关重要.
- 调节染色质可访问性的分子机制仍然不完全理解.
研究的目的:
- 使用全基因组屏幕识别调节全球染色质可访问性的新型基因.
- 调查新发现的染色质可访问性调节器的特定作用.
主要方法:
- 使用全基因组的CRISPR查.
- 优化的ATAC-see协议被用于高通量分析.
- ATAC-seq在淘汰细胞上进行,以评估染色体可访问性变化.
主要成果:
- 确定了几个已知 (CREBBP,EP400) 和新型基因 (TFDP1,HNRNPU,EIF3D,THAP11) 调节色素可访问性.
- 这些基因的淘汰证明了对全球染色质可访问性的明显和特定影响.
- TFDP1被确定为一种转录因子,调节正规组织蛋白,以控制染色质的可访问性.
结论:
- 这项研究扩大了已知的染色质可访问性调节器网络.
- TFDP1在通过基因质调节调节全球染色质可访问性方面发挥着重要作用.
- 准染色体可访问性为推进细胞工程应用 (如基因组编辑和iPSC重编程) 提供了潜力.
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