Exploiting genetic variation to uncover rules of transcription factor binding and chromatin accessibility

Vivek Behera, Perry Evans, Carolyne J. Face, Nicole Hamagami, Laavanya Sankaranarayanan, Cheryl A. Keller, Belinda Giardine, Kai Tan, Ross C. Hardison, Junwei Shi, Gerd A. Blobel

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Single-nucleotide variants that underlie phenotypic variation can affect chromatin occupancy of transcription factors (TFs). To delineate determinants of in vivo TF binding and chromatin accessibility, we introduce an approach that compares ChIP-seq and DNase-seq data sets from genetically divergent murine erythroid cell lines. The impact of discriminatory single-nucleotide variants on TF ChIP signal enables definition at single base resolution of in vivo binding characteristics of nuclear factors GATA1, TAL1, and CTCF. We further develop a facile complementary approach to more deeply test the requirements of critical nucleotide positions for TF binding by combining CRISPR-Cas9-mediated mutagenesis with ChIP and targeted deep sequencing. Finally, we extend our analytical pipeline to identify nearby contextual DNA elements that modulate chromatin binding by these three TFs, and to define sequences that impact kb-scale chromatin accessibility. Combined, our approaches reveal insights into the genetic basis of TF occupancy and their interplay with chromatin features.

Original languageEnglish (US)
Article number782
JournalNature communications
Volume9
Issue number1
DOIs
StatePublished - Dec 1 2018

Fingerprint

chromatin
Chromatin
Transcription Factors
nucleotides
Nucleotides
Clustered Regularly Interspaced Short Palindromic Repeats
Genetic Transcription
High-Throughput Nucleotide Sequencing
Mutagenesis
Erythroid Cells
Deoxyribonucleases
mutagenesis
sequencing
cultured cells
determinants
Pipelines
Cells
deoxyribonucleic acid
Cell Line
DNA

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Behera, Vivek ; Evans, Perry ; Face, Carolyne J. ; Hamagami, Nicole ; Sankaranarayanan, Laavanya ; Keller, Cheryl A. ; Giardine, Belinda ; Tan, Kai ; Hardison, Ross C. ; Shi, Junwei ; Blobel, Gerd A. / Exploiting genetic variation to uncover rules of transcription factor binding and chromatin accessibility. In: Nature communications. 2018 ; Vol. 9, No. 1.
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Behera, V, Evans, P, Face, CJ, Hamagami, N, Sankaranarayanan, L, Keller, CA, Giardine, B, Tan, K, Hardison, RC, Shi, J & Blobel, GA 2018, 'Exploiting genetic variation to uncover rules of transcription factor binding and chromatin accessibility', Nature communications, vol. 9, no. 1, 782. https://doi.org/10.1038/s41467-018-03082-6

Exploiting genetic variation to uncover rules of transcription factor binding and chromatin accessibility. / Behera, Vivek; Evans, Perry; Face, Carolyne J.; Hamagami, Nicole; Sankaranarayanan, Laavanya; Keller, Cheryl A.; Giardine, Belinda; Tan, Kai; Hardison, Ross C.; Shi, Junwei; Blobel, Gerd A.

In: Nature communications, Vol. 9, No. 1, 782, 01.12.2018.

Research output: Contribution to journalArticle

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AU - Hamagami, Nicole

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AU - Keller, Cheryl A.

AU - Giardine, Belinda

AU - Tan, Kai

AU - Hardison, Ross C.

AU - Shi, Junwei

AU - Blobel, Gerd A.

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