The WHHERE coactivator complex is required for retinoic acid-dependent regulation of embryonic symmetry

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The WHHERE coactivator complex is required for retinoic acid-dependent regulation of embryonic symmetry

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Title: The WHHERE coactivator complex is required for retinoic acid-dependent regulation of embryonic symmetry
Author: Vilhais-Neto, Gonçalo C.; Fournier, Marjorie; Plassat, Jean-Luc; Sardiu, Mihaela E.; Saraf, Anita; Garnier, Jean-Marie; Maruhashi, Mitsuji; Florens, Laurence; Washburn, Michael P.; Pourquié, Olivier

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Citation: Vilhais-Neto, Gonçalo C., Marjorie Fournier, Jean-Luc Plassat, Mihaela E. Sardiu, Anita Saraf, Jean-Marie Garnier, Mitsuji Maruhashi, Laurence Florens, Michael P. Washburn, and Olivier Pourquié. 2017. “The WHHERE coactivator complex is required for retinoic acid-dependent regulation of embryonic symmetry.” Nature Communications 8 (1): 728. doi:10.1038/s41467-017-00593-6. http://dx.doi.org/10.1038/s41467-017-00593-6.
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Abstract: Bilateral symmetry is a striking feature of the vertebrate body plan organization. Vertebral precursors, called somites, provide one of the best illustrations of embryonic symmetry. Maintenance of somitogenesis symmetry requires retinoic acid (RA) and its coactivator Rere/Atrophin2. Here, using a proteomic approach we identify a protein complex, containing Wdr5, Hdac1, Hdac2 and Rere (named WHHERE), which regulates RA signaling and controls embryonic symmetry. We demonstrate that Wdr5, Hdac1, and Hdac2 are required for RA signaling in vitro and in vivo. Mouse mutants for Wdr5 and Hdac1 exhibit asymmetrical somite formation characteristic of RA-deficiency. We also identify the Rere-binding histone methyltransferase Ehmt2/G9a, as a RA coactivator controlling somite symmetry. Upon RA treatment, WHHERE and Ehmt2 become enriched at RA target genes to promote RNA polymerase II recruitment. Our work identifies a protein complex linking key epigenetic regulators acting in the molecular control of embryonic bilateral symmetry.
Published Version: doi:10.1038/s41467-017-00593-6
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5620087/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34492322
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