Ligand-dependent dynamics of retinoic acid receptor binding during early neurogenesis

Shaun A. Mahony, Esteban O. Mazzoni, Scott McCuine, Richard A. Young, Hynek Wichterle, David K. Gifford

Research output: Contribution to journalArticle

83 Citations (Scopus)

Abstract

Background: Among its many roles in development, retinoic acid determines the anterior-posterior identity of differentiating motor neurons by activating retinoic acid receptor (RAR)-mediated transcription. RAR is thought to bind the genome constitutively, and only induce transcription in the presence of the retinoid ligand. However, little is known about where RAR binds to the genome or how it selects target sites.Results: We tested the constitutive RAR binding model using the retinoic acid-driven differentiation of mouse embryonic stem cells into differentiated motor neurons. We find that retinoic acid treatment results in widespread changes in RAR genomic binding, including novel binding to genes directly responsible for anterior-posterior specification, as well as the subsequent recruitment of the basal polymerase machinery. Finally, we discovered that the binding of transcription factors at the embryonic stem cell stage can accurately predict where in the genome RAR binds after initial differentiation.Conclusions: We have characterized a ligand-dependent shift in RAR genomic occupancy at the initiation of neurogenesis. Our data also suggest that enhancers active in pluripotent embryonic stem cells may be preselecting regions that will be activated by RAR during neuronal differentiation.

Original languageEnglish (US)
Article numberR2
JournalGenome biology
Volume12
Issue number1
DOIs
StatePublished - Jan 13 2011

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Retinoic Acid Receptors
neurogenesis
retinoic acid
Neurogenesis
ligand
Ligands
receptors
acid
Tretinoin
embryonic stem cells
Motor Neurons
Genome
Embryonic Stem Cells
genome
motor neurons
Pluripotent Stem Cells
genomics
ligands
transcription (genetics)
Retinoids

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Cell Biology

Cite this

Mahony, S. A., Mazzoni, E. O., McCuine, S., Young, R. A., Wichterle, H., & Gifford, D. K. (2011). Ligand-dependent dynamics of retinoic acid receptor binding during early neurogenesis. Genome biology, 12(1), [R2]. https://doi.org/10.1186/gb-2011-12-1-r2
Mahony, Shaun A. ; Mazzoni, Esteban O. ; McCuine, Scott ; Young, Richard A. ; Wichterle, Hynek ; Gifford, David K. / Ligand-dependent dynamics of retinoic acid receptor binding during early neurogenesis. In: Genome biology. 2011 ; Vol. 12, No. 1.
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Ligand-dependent dynamics of retinoic acid receptor binding during early neurogenesis. / Mahony, Shaun A.; Mazzoni, Esteban O.; McCuine, Scott; Young, Richard A.; Wichterle, Hynek; Gifford, David K.

In: Genome biology, Vol. 12, No. 1, R2, 13.01.2011.

Research output: Contribution to journalArticle

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