High Resolution Mapping of Functional Elements in the Yeast Genome

酵母基因组功能元件的高分辨率图谱

基本信息

  • 批准号:
    8577169
  • 负责人:
  • 金额:
    $ 37万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2007
  • 资助国家:
    美国
  • 起止时间:
    2007-07-26 至 2017-06-30
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Eukaryotic DNA is packaged into chromatin, and this chromatin has a well-defined organization. Chromatin is composed of nucleosome building blocks, whose positioning along the DNA dictates the accessibility of gene regulatory elements, and ultimately the expression levels of genes. Nucleosomes occur in regular repeating intervals on genes. These arrays are highly regulated through many mechanisms including: post- translational modifications, deposition and eviction that are facilitated by chaperones, and re-positioning facilitated by chromatin remodeling complexes. We propose to further our understanding of nucleosomal arrays on a genomic scale. In aim 1, we will use our newly developed ultra-high resolution ChIP-exo assay to determine the subnucleosomal organization of histone marks along nucleosomal arrays across a genome. In aim 2, we will map the nucleosomal and subnucleosomal organization of chromatin remodelers using ChIP-exo. Their placement at specific nucleosomes, and their orientation on the nucleosome surface should provide insight into how they function on a genomic scale. In aim 3, we will use our recently developed genome-wide reconstitution of properly positioned nucleosomal arrays to probe biochemical mechanisms of chromatin remodeler-directed array formation. Completion of these aims is expected to provide an understanding of fundamental principles of nucleosomal array and their role in regulating gene expression.
描述(由申请人提供): 真核 DNA 被包装到染色质中,并且该染色质具有明确的组织。染色质由核小体构件组成,其沿 DNA 的定位决定了基因调控元件的可及性,并最终决定了基因的表达水平。核小体以规则的重复间隔出现在基因上。这些阵列通过许多机制受到高度调控,包括:翻译后修饰、分子伴侣促进的沉积和驱逐,以及染色质重塑复合物促进的重新定位。我们建议在基因组规模上进一步了解核小体阵列。在目标 1 中,我们将使用新开发的超高分辨率 ChIP-exo 测定来确定整个基因组中核小体阵列上组蛋白标记的核小体亚组织。在目标 2 中,我们将使用 ChIP-exo 绘制染色质重塑者的核小体和亚核小体组织图谱。它们在特定核小体上的位置以及它们在核小体表面上的方向应该可以深入了解它们在基因组规模上的功能。在目标 3 中,我们将使用我们最近开发的正确定位的核小体阵列的全基因组重建来探测染色质重塑器引导的阵列形成的生化机制。完成这些目标预计将有助于人们了解核小体阵列的基本原理及其在调节基因表达中的作用。

项目成果

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B FRANKLIN PUGH其他文献

B FRANKLIN PUGH的其他文献

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{{ truncateString('B FRANKLIN PUGH', 18)}}的其他基金

HIGH RESOLUTION EPIGENOMIC MAPS OF YEAST IN RESPONSE TO ENVIRONMENTAL STRESS
酵母响应环境压力的高分辨率表观基因组图
  • 批准号:
    10675035
  • 财政年份:
    2022
  • 资助金额:
    $ 37万
  • 项目类别:
EPIGENOMIC REGULATION OF GENOMES
基因组的表观基因组调控
  • 批准号:
    10685469
  • 财政年份:
    2022
  • 资助金额:
    $ 37万
  • 项目类别:
EPIGENOMIC REGULATION OF GENOMES
基因组的表观基因组调控
  • 批准号:
    10807407
  • 财政年份:
    2022
  • 资助金额:
    $ 37万
  • 项目类别:
EPIGENOMIC REGULATION OF GENOMES
基因组的表观基因组调控
  • 批准号:
    10797418
  • 财政年份:
    2022
  • 资助金额:
    $ 37万
  • 项目类别:
EPIGENOMIC REGULATION OF GENOMES
基因组的表观基因组调控
  • 批准号:
    10403285
  • 财政年份:
    2022
  • 资助金额:
    $ 37万
  • 项目类别:
High Resolution Mapping of Functional Elements in the Yeast Genome
酵母基因组功能元件的高分辨率图谱
  • 批准号:
    10221918
  • 财政年份:
    2020
  • 资助金额:
    $ 37万
  • 项目类别:
High Resolution Mapping of Functional Elements in the Yeast Genome
酵母基因组功能元件的高分辨率图谱
  • 批准号:
    10357973
  • 财政年份:
    2020
  • 资助金额:
    $ 37万
  • 项目类别:
High Resolution Mapping of Functional Elements in the Yeast Genome
酵母基因组功能元件的高分辨率图谱
  • 批准号:
    10259814
  • 财政年份:
    2020
  • 资助金额:
    $ 37万
  • 项目类别:
Genome-Wide Regulation of the TATA Binding Protein
TATA 结合蛋白的全基因组调控
  • 批准号:
    7899663
  • 财政年份:
    2009
  • 资助金额:
    $ 37万
  • 项目类别:
High Resolution Mapping of Function Elements in the Yeast Genome
酵母基因组功能元件的高分辨率图谱
  • 批准号:
    8293295
  • 财政年份:
    2007
  • 资助金额:
    $ 37万
  • 项目类别:

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