Lhcf9 is a novel negative regulator of non-photochemical quenching in the diatom Chaetoceros gracilis
Midori Nakamura, Minoru Kumazawa, Ryo Nagao, Takehiro Suzuki, Shoko Tsuji, Hazuki Hasegawa, Hiroaki Takebe, Atsushi Sakurai, S. Imamura, Noriko Ishikawa, Naoshi Dohmae, Seiji Akimoto, Kentaro Ifuku
This paper identifies CgLhcf9 as a negative regulator of energy-dependent NPQ in the diatom Chaetoceros gracilis, showing it suppresses NPQ under specific light and CO2 conditions to improve growth.
bioRxiv · Feb 7, 2026 · PreprintPlant Biology