Reciprocal repression between Isl1 and Nkx2-5 defines the zebrafish embryonic cardiac pacemaker domain
Federico Tessadori, Laurence Garric, Lysander Blankenborg…·Jeroen Bakkers
This study identifies a zebrafish-specific gene regulatory network where Isl1 restricts Nkx2-5 to maintain pacemaker identity, distinct from mammalian mechanisms.