Cited by 168Genomics and Chromatin DynamicsChromatin Remodeling and CancerPeroxisome Proliferator-Activated Receptors

Systematic dissection of genomic features determining transcription factor binding and enhancer function

Open access
Grossman, Sharon R., Zhang, Xiaolan, Wang, Li, Engreitz, Jesse, Melnikov, Alexandre, Rogov, Peter, Tewhey, Ryan, Isakova, Alina +4 more·2017·Proceedings of the National Academy of Sciences

Abstract

Significance: A central question in biology is how transcription factors (TFs) recognize specific binding sites in enhancers and regulate gene expression. In general, only a fraction of potential binding sites for TFs are occupied in a particular cell type. TF affinity for a motif site, local interactions among TFs, and larger-scale chromatin accessibility can influence binding, although the relative contributions of these factors is unclear. Moreover, little is known about how specific combinations of TFs control quantitative gene expression once bound. Here, we use large-scale synthetic biology approaches to explore the features that govern TF binding vs. enhancer activity. This approach provides a paradigm for systematic study of key regulatory sequences within enhancers and how they interact to influence gene expression.

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  • A major advantage of MPRAs is that sequences to be tested can simply be synthesized, enabling straightforward saturation mutagenesis and programming synthetic enhancers.

    “A major advantage of MPRAs is that sequences to be tested can simply be synthesized, enabling straightforward saturation mutagenesis [G] of enhancers67,184,185 as well as programming synthetic enhancers to inform modelling of their properties186,187.”

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Authors
Grossman, S. R., Zhang, X., Wang, L., Engreitz, J., Melnikov, A., Rogov, P., Tewhey, R., Isakova, A., Deplancke, B., Bernstein, B. E., Mikkelsen, T. S., & Lander, E. S.
Affiliations
  • Broad Institute (US)
  • SIB Swiss Institute of Bioinformatics (CH)
Venue
Proceedings of the National Academy of Sciences
Published
2017-01-30
Volume
114
Issue
7
Pages
E1291-E1300
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2581468399
Cited by
165
References
101
Citations by year
2026: 15 · 2025: 15 · 2024: 9 · 2023: 14 · 2022: 20 · 2021: 21 · 2020: 23 · 2019: 20 · 2018: 18 · 2017: 10
FWCI
7.93
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
Funders
  • HHS | NIH | National Human Genome Research Institute (2U54HG003067-10)
  • HHS | NIH | National Institute of General Medical Sciences (T32GM007753)
  • Office of Extramural Research, National Institutes of Health (R01 HG006785)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
enhancer function, transcription factor binding, PPARγ, transcription factor interaction, chromatin accessibility, binding site affinity, massively parallel reporter assay, synthetic enhancers, adipogenesis, gene expression regulation, human genetic variation
MeSH terms
Animals, Binding Sites, Enhancer Elements, Genetic, Gene Expression Regulation, Mutation, Protein Binding, Transcription Factors, Genomics, 3T3-L1 Cells, PPAR gamma, Mice, Nucleotide Motifs

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