Pax9 governs anterior identity and deployment of sclerotome to the median fins
Sarah McLeod, Margaret Keating, Ziyu Dong, Raisa Bailon‐Zambrano, Katrinka M. Kocha, Sandhya Paudel, Abigail Mumme‐Monheit, Melissa Scott-Preusse, Colette A. Hopkins, Raelyn Begay, Peng Huang, Guangjun Zhang, James T. Nichols, Lindsey A. Barske
This study shows that Pax9 is essential for anterior identity and proper deployment of sclerotome cells in the caudal fin of zebrafish, leading to fusion with the anal fin and altered skeletal development.
bioRxiv · Jun 26, 2026 · PreprintDevelopmental Biology