Ancient origin of the dorso-ventral patterning system of vertebrate paired fins
Rebecca E. Dale, Silke Berger, Sara Alaei, Adele A. Barugahare, Marcus C. Davis, Laura Perlaza-Jiménez, Frank J. Tulenko, Peter David Currie
This study shows that dorso-ventral patterning genes in paired fins are conserved in median fins, supporting an ancient origin of the DV regulatory module that was redeployed during paired fin evolution.
bioRxiv · Feb 10, 2026 · PreprintDevelopmental Biology