High-light vs. low-light: Effect of light acclimation on photosystem II composition and organization in Arabidopsis thaliana

► Acclimation to high light intensity leads to structural re-arrangements of PSII. ► Formation of PSII semi-crystalline arrays is reduced in high light acclimated plants. ► Amount of PsbS protein is reduced in high light acclimated plants. ► PSII in semi-crystalline arrays is densely packed in low light acclimated plants.