Energy-dependent quenching adjusts the excitation diffusion length to regulate photosynthetic light harvesting [Chemistry]

An important determinant of crop yields is the regulation of photosystem II (PSII) light harvesting by energy-dependent quenching (qE). However, the molecular details of excitation quenching have not been quantitatively connected to the fraction of excitations converted to chemical energy by PSII reaction centers (PSII yield), which determines flux to...

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