A change in the cell wall status initiates the elimination of the nucellus in Arabidopsis
W. Xu, D.-M. Gomez-Paez, S. Choinard, M. Iannaccone, E. Maricchiolo, A. Peaucelle, A. Voxeur, K. Haas, A. Pompa, E. Magnani
The paper shows that pectin degradation in the cell wall initiates nucellus elimination in Arabidopsis, regulated by TRANSPARENT TESTA 16, and suggests this cell wall change drove seed evolution.
bioRxiv · Apr 23, 2024 · PreprintPlant Biology