4. Discussion
Acclimation of photosynthetic light reactions to high light
requires structural and functional dynamics, which occur in the
timescale from seconds to several days. At high light, the
dissipation of excess excitation energy as heat is rapidly set up.
It requires, at least, the DpH-dependent activation of violaxanthin
de-epoxidase and involvement of the PsbS protein. Also, it is crucial