Ca2+ signature gates early auxin signaling in Arabidopsis roots
Huifang Song, Angel Baudon, Matthias Freund, Marek Randuch, Aleš Pěnčík, Ondřej Novák, Zhaohui He, Kerstin Kaufmann, Matthew Gilliham, Jiřı́ Friml, Rainer Hedrich, Shouguang Huang
The paper uses optogenetics to show that Ca2+ signals regulate early auxin signaling in Arabidopsis roots, affecting growth and transcriptional responses.
bioRxiv · Oct 4, 2025 · PreprintPlant Biology