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Related Concept Videos

Chromatin Immunoprecipitation- ChIP02:36

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...
Combinatorial Gene Control02:33

Combinatorial Gene Control

Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
Chromatin Position Affects Gene Expression02:35

Chromatin Position Affects Gene Expression

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 timing and level of...

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Related Experiment Video

Updated: May 29, 2026

Genome-wide Snapshot of Chromatin Regulators and States in Xenopus Embryos by ChIP-Seq
10:23

Genome-wide Snapshot of Chromatin Regulators and States in Xenopus Embryos by ChIP-Seq

Published on: February 26, 2015

Analyzing transcription factor occupancy during embryo development using ChIP-seq.

Yad Ghavi-Helm1, Eileen E M Furlong

  • 1Genome Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|September 23, 2011
PubMed
Summary
This summary is machine-generated.

This study details a ChIP-seq protocol for mapping transcription factor binding sites in vivo. The method, optimized for Drosophila embryos, enables precise analysis of gene regulation during development.

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Related Experiment Videos

Last Updated: May 29, 2026

Genome-wide Snapshot of Chromatin Regulators and States in Xenopus Embryos by ChIP-Seq
10:23

Genome-wide Snapshot of Chromatin Regulators and States in Xenopus Embryos by ChIP-Seq

Published on: February 26, 2015

Chromatin Immunoprecipitation (ChIP) Protocol for Low-abundance Embryonic Samples
12:47

Chromatin Immunoprecipitation (ChIP) Protocol for Low-abundance Embryonic Samples

Published on: August 29, 2017

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
12:54

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation

Published on: March 7, 2018

Area of Science:

  • Developmental Biology
  • Genomics
  • Molecular Biology

Background:

  • Understanding transcription factor binding to cis-regulatory elements is crucial for deciphering embryonic development.
  • Genome-wide transcription factor location analysis has advanced with ChIP-on-chip and ChIP-seq technologies.

Purpose of the Study:

  • To provide a detailed protocol for generating a successful ChIP-seq library.
  • To enable accurate assessment of in vivo transcription factor binding.

Main Methods:

  • The protocol covers embryo collection, fixation, chromatin preparation, and immunoprecipitation.
  • It includes detailed steps for library preparation for next-generation sequencing.
  • The method is optimized for Drosophila embryos but adaptable to other organisms.

Main Results:

  • A comprehensive ChIP-seq library generation protocol is presented.
  • The protocol yields libraries suitable for high-throughput sequencing platforms like Illumina GAIIx.

Conclusions:

  • This protocol facilitates accurate genome-wide transcription factor binding analysis.
  • It is a valuable resource for studying gene regulation in embryonic development across different organisms.