Iron availability regulates PIN-mediated auxin transport and distribution to modulate root gravitropic growth in Arabidopsis
Yao Fang, Mengjuan Kong, Yakun Peng, Shutang Tan
This study shows that iron availability affects PIN2 protein levels and polar auxin transport, which in turn modulates root gravitropism in Arabidopsis.
bioRxiv · May 22, 2026 · PreprintPlant Biology