The chloroplast CLP chaperone-protease system controls the steady-state abundance of the singlet oxygen sensors EXCUTER 1 and 2
Claire M. Ravenburg, Pratyush Routray, Imen Bouchnak, Bingjian Yuan, Magdalena Julkowska, Klaas Jan van Wijk
The paper investigates the role of the chloroplast CLP system in regulating the steady-state levels of EX1 and EX2, finding that CLP degradation maintains their low concentrations before their 1O2 signaling function.
bioRxiv · Aug 6, 2026 · PreprintPlant Biology