Genome-wide chromatin maps derived from limited numbers of hematopoietic progenitors.

Genome-wide chromatin maps derived from limited numbers of hematopoietic progenitors.
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DOI:
10.1038/nmeth.1478
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发表时间:
2010-08
期刊:
影响因子:
48
通讯作者:
Bernstein, Bradley E.
Bernstein, Bradley E.
中科院分区:
生物学1区
文献类型:
--
作者:
Adli, Mazhar;Zhu, Jiang;Bernstein, Bradley E.

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目前通过结合染色质免疫沉淀和高通量测序(CHIP-SEQ)进行蛋白质-DNA相互作用的全基因组图谱的方法需要大量的起始材料,这排除了它们在稀有细胞类型上的应用。在这里,我们结合了一种高灵敏度的芯片分析和一种新的文库制备程序,以在最少10,000个细胞中定位组蛋白修饰。我们应用这项技术来表征小鼠的造血祖细胞,从而深入了解它们的发育程序。
Current methods for whole genome mapping of protein-DNA interactions, performed by coupling chromatin immunoprecipitation with high-throughput sequencing (ChIP-Seq), require large amounts of starting materials which precludes their application to rare cell types. Here, we combine a high-sensitivity ChIP assay with a novel library preparation procedure to map histone modifications in as few as 10,000 cells. We apply the technique to characterize murine hematopoietic progenitors and thereby gain insight into their developmental program.
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