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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...
Immunoprecipitation01:20

Immunoprecipitation

Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...

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Chromatin Immunoprecipitation (ChIP) using Drosophila tissue
13:47

Chromatin Immunoprecipitation (ChIP) using Drosophila tissue

Published on: March 23, 2012

Chromatin Immunoprecipitation (ChIP) using Drosophila tissue.

Vuong Tran1, Qiang Gan, Xin Chen

  • 1Department of Biology, Johns Hopkins University, Baltimore, MD, USA.

Journal of Visualized Experiments : Jove
|April 5, 2012
PubMed
Summary

This study presents a new Chromatin Immunoprecipitation (ChIP) method using Drosophila tissues to accurately study in vivo epigenetic regulation. This approach overcomes limitations of cell culture, enabling broader research into gene expression.

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Chromatin Immunoprecipitation (ChIP) using Drosophila tissue
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Published on: March 23, 2012

Chromatin Immunoprecipitation from Dorsal Root Ganglia Tissue following Axonal Injury
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Chromatin Isolation by RNA Purification (ChIRP)
11:09

Chromatin Isolation by RNA Purification (ChIRP)

Published on: March 25, 2012

Area of Science:

  • Epigenetics and developmental biology
  • Molecular biology and genomics

Background:

  • Epigenetic regulation influences gene expression via chromatin state, crucial for development and homeostasis.
  • Chromatin Immunoprecipitation (ChIP) is vital for studying histone modifications and chromatin factors.
  • Current ChIP methods using cultured cells have limitations in reflecting in vivo conditions and cell type accessibility.

Purpose of the Study:

  • To develop and describe an improved ChIP method using intact Drosophila tissues.
  • To enable accurate in vivo analysis of endogenous chromatin states and epigenetic regulation.
  • To expand the scope of biologically relevant epigenetic research.

Main Methods:

  • Utilizing dissected Drosophila tissues as starting material for ChIP assays.
  • Adapting the ChIP technique for direct application on animal tissues.
  • Combining the tissue-based ChIP with high-throughput sequencing (ChIP-seq).

Main Results:

  • The described method provides an accurate snapshot of endogenous chromatin states in vivo.
  • It overcomes the limitations associated with ex vivo cell culture for ChIP analysis.
  • The method is adaptable to various Drosophila tissues, enhancing research applicability.

Conclusions:

  • This novel ChIP method using Drosophila tissues offers a more biologically relevant approach to studying epigenetics.
  • It facilitates the investigation of epigenetic regulation in a native cellular environment.
  • The technique holds potential for generating comprehensive epigenomic landscapes through ChIP-seq.