Yao Y, Minor PJ, Zhao YT, Jeong Y, Pani AM, King AN, Symmons O, Gan L, Cardoso WV, Spitz F, Lowe CJ, Epstein DJ.
Nat Genet. 2016 May;48(5):575-580. doi:10.1038/ng.3542
Cis-regulatory architecture of a brain signaling center predates the origin of chordates.