The stress induced caleosin, RD20/CLO3, acts as a negative regulator of GPA1 in Arabidopsis.
Brunetti SC, Arseneault MKM, Wright JA, Wang Z, Ehdaeivand MR, Lowden MJ, Rivoal J, Khalil HB, Garg G, Gulick PJ. Plant Mol Biol. 2021 Oct; 107(3):159-175. Epub 2021 Oct 2.