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相关概念视频

Chromatin Immunoprecipitation- ChIP02:36

Chromatin Immunoprecipitation- ChIP

12.1K
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...
12.1K
Chromatin Position Affects Gene Expression02:35

Chromatin Position Affects Gene Expression

24.6K
Chromatin is the massive complex of DNA and proteins packaged inside the nucleus. The complexity of chromatin folding and how it is packaged inside the nucleus greatly influences  access to genetic information. Generally, the nucleus' periphery is considered transcriptionally repressive, while the cell's interior is considered a transcriptionally active area. 
Topologically Associated Domains (TADs)
The 3-dimensional positioning of chromatin in the nucleus influences the...
24.6K
Ribosome Profiling02:24

Ribosome Profiling

4.1K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
4.1K

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相关实验视频

Updated: Jan 14, 2026

Author Spotlight: Nuclei Isolation from Mouse Cardiac Progenitor Cells for Epigenome and Gene Expression Profiling at Single-Cell Resolution
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通过ISSAAC-seqq的单核染色体可访问性和基因表达共同分析.

Wei Xu1,2, Yukun Hu3, Yunlong Zhang3

  • 1GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macao Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangdong, China. xuwei2023@gzhmu.edu.cn.

Nature protocols
|January 12, 2026
PubMed
概括

我们开发了ISSAAC-seq,一种用于同时测量单个核中的染色质可访问性和基因表达的方法. 这种技术通过提供全面的分子分析来增强细胞异质性研究.

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Multiplexed Analysis of Retinal Gene Expression and Chromatin Accessibility Using scRNA-Seq and scATAC-Seq
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Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq
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Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq

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相关实验视频

Last Updated: Jan 14, 2026

Author Spotlight: Nuclei Isolation from Mouse Cardiac Progenitor Cells for Epigenome and Gene Expression Profiling at Single-Cell Resolution
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Multiplexed Analysis of Retinal Gene Expression and Chromatin Accessibility Using scRNA-Seq and scATAC-Seq
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Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq
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Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing ChIP-seq

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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:

  • 多模式单细胞分析提供了比单模式方法更深入的了解细胞异质性.
  • 同时检测染色质可访问性和基因表达对于理解细胞类型特定的基因调节至关重要.

研究的目的:

  • 引入一种敏感而强大的协议,ISSAAC-seq,用于同时测量来自同一单个核的染色质可访问性和基因表达.
  • 为了使细胞异质性和基因调控机制的全面表征.

主要方法:

  • ISSAAC-seq涉及双重Tn5标记开放色素区域和RNA-cDNA杂交体中的大量核.
  • 单核隔离是通过各种策略实现的,包括板和滴滴条码.
  • 该协议是模块化的,支持从数百到数万个核的吞吐量.

主要成果:

  • 对于染色体可访问性和基因表达方式,都产生了高质量的数据.
  • 工作流是快速的,可以在12天内完成.
  • 该协议证明了与多个单核隔离和条码平台的兼容性.

结论:

  • ISSAAC-seq为多式联运单核分析提供了一个强大的工具.
  • 该方法有助于研究细胞类型解决的基因调节机制.
  • 它的灵活性和效率使其适用于各种单细胞基因组学应用.