Efficient isolation of specific genomic regions and identification of associated proteins by engineered DNA-binding molecule-mediated chromatin immunoprecipitation (enChIP) using CRISPR.

Isolation of specific genomic regions retaining molecular interactions is necessary for their biochemical analysis. Here, we established a novel method, engineered DNA-binding molecule-mediated chromatin immunoprecipitation (enChIP), for purification of specific genomic regions retaining molecular interactions. We showed that enChIP using the CRISPR system efficiently isolates specific genomic regions. In this form of enChIP, specific genomic regions are immunoprecipitated with antibody against a tag(s), which is fused to a catalytically inactive form of Cas9 (dCas9), which is co-expressed with a guide RNA (gRNA) and recognizes endogenous DNA sequence in the genomic regions of interest. enChIP-mass spectrometry (enChIP-MS) targeting endogenous loci identified associated proteins. enChIP using the CRISPR system would be a convenient and useful tool for dissecting chromatin structure of genomic regions of interest.

• Publication year

  2013

• Venue

  Biochemical and Biophysical Research Communications - BBRC

• Publication date

  2013-09-13

• Fields of study

  Biology, Medicine, Chemistry, Engineering

• Identifiers
  DOI 10.1016/j.bbrc.2013.08.013PMID 23942116
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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