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相关概念视频

Chromatin Immunoprecipitation- ChIP02:36

Chromatin Immunoprecipitation- ChIP

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Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or histone proteins. It also helps determine the type of histone modifications such as acetylation, phosphorylation, or methylation.
Types of ChIP
ChIP can be divided into two types - X-ChIP and N-ChIP. X-ChIP involves in vivo cross-linking of histones and regulatory proteins to DNA, fragmenting the DNA by sonication, and isolating the protein-DNA...
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相关实验视频

Updated: May 10, 2025

An Ultrahigh-throughput Microfluidic Platform for Single-cell Genome Sequencing
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单细胞表观基因组分析使用高通量滴滴 scChIP-seqq.

Justine Marsolier1,2, Eve Moutaux1,3, Kevin Grosselin4,5,6

  • 1CNRS UMR3244, Institut Curie, PSL University, Paris, France.

Methods in molecular biology (Clifton, N.J.)
|April 21, 2025
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种高通量单细胞ChIP-seq方法来分析表观基因组变异. 它透露了成千上万个细胞的详细表观遗传景观,绘制了关键的组织蛋白修饰.

关键词:
染色是一种染色素.DNA 条形码编码滴滴微流体学 滴滴微流体学表观基因组概况分析基质子的修改 基质子的修改

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Last Updated: May 10, 2025

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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.
  • 分子生物学分子生物学

背景情况:

  • 了解细胞异质性在生物学中至关重要.
  • 表观遗传修饰在基因调节和细胞识别中起着关键作用.
  • 现有的表观基因组分析方法往往缺乏单细胞分辨率或吞吐量.

研究的目的:

  • 开发和验证一个高通量单细胞ChIP-seq (scChIP-seq) 方法.
  • 在一个大型细胞群中研究关键表观遗传标记 (H3K27me3,H3K4me3,H3K27Ac,H3K4me1) 的异质性.
  • 以单细胞分辨率提供全面的表观基因组概况.

主要方法:

  • 滴滴微流体的集成用于细胞隔离和条形码.
  • 开发用于表观基因组分析的单细胞DNA条形码策略.
  • 在单细胞分辨率下应用ChIP-seq来捕获特定的质子修饰.
  • 几千个细胞的高通量处理.

主要成果:

  • 成功实施一个高通量 scChIP-seq 工作流.
  • 在成千上万的细胞中详细地绘制了表观基因组异质性的地图.
  • 在单细胞分辨率下对H3K27me3,H3K4me3,H3K27Ac和H3K4me1的不同模式的表征.
  • 每个细胞可覆盖多达1万个独特的位置.

结论:

  • 开发的scChIP-seq方法使研究表观基因组异质性的前所未有的解决方案成为可能.
  • 这种方法为剖析表观遗传状态中的细胞间变异提供了强大的工具.
  • 这些发现有助于更深入地了解复杂细胞群中的表观遗传调节.