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Updated: Jun 11, 2025

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多复合色素免疫沉测序用于定量研究基因素修饰和色素因子

Banushree Kumar^1,2,3, Carmen Navarro^1,2,3, Philip Yuk Kwong Yung^1,2

¹Science for Life Laboratory, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Solna, Sweden.

Nature protocols

|October 3, 2024

概括

多重复合的定量色素免疫沉测序 (MINUTE-ChIP) 通过同时对多个样本和表观体进行分析,简化了实验. 这种方法提高了吞吐量,并使准确的定量比较能够获得强大的生物洞察力.

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:

染色体免疫沉测序 (ChIP-seq) 对于研究蛋白质-DNA相互作用和基因素修饰至关重要.
传统的ChIP-seq是劳动密集型,容易变化,并且没有固有的量化比较能力,没有尖端插入.

研究的目的:

为多重定量ChIP-seq (MINUTE-ChIP) 引入一个详细的协议.
为了实现高吞吐量,定量和统计学上可靠的ChIP-seq分析.

主要方法:

MINUTE-CHIP协议涉及样本准备,条形码,聚合,并行免疫沉,图书馆准备,以及专门的生物信息管道.
工作流集成了样本溶解,染色体碎片化,条形码,免疫沉,测序库构建和自动化数据分析.

主要成果:

MINUTE-CHIP显著增加了实验吞吐量,允许同时对多个样本与各种表征物进行分析.
该方法提供了准确的定量比较,并产生了具有质量控制指标的缩放式ChIP-seq轨道.

结论:

MINUTE-CHIP使研究人员能够进行全面的CHIP-seq实验,并进行适当的复制和控制.
这种方法产生了统计学上可靠,定量和生物学上有意义的结果,减少了实验负担.

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相关概念视频

Chromatin Immunoprecipitation- ChIP

Chromatin Immunoprecipitation- ChIP

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...