Stomatal movement in Arabidopsis is driven by guard cell-localized and copper-insensitive CSD1 splice variant
Maryna Tsinyk, Kateřina Hlaváčková, Miroslav Ovečka, Jan Řehák, Jiří Sojka, Martina Špundová, Zuzana Kučerová, Jozef Šamaj, Tomáš Takáč, Petr Dvořák
This study identifies a cell-type-specific CSD1 splice variant in Arabidopsis guard cells that promotes ABA-induced stomatal closure independently of Cu availability and miR398 regulation.
bioRxiv · Jul 10, 2026 · PreprintPlant Biology