Unlocking secrets of stomatal regulation: Phosphoactivation of SLAC1 in plant guard cells

In a study published in Proceedings of the National Academy of Sciences, researchers from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences (CAS) have provided mechanistic insights into how SLAC1, a key anion channel specifically expressed on the plasma membrane of guard cells that form stomata in plant leaves, is activated by phosphorylation.