Journal
TRENDS IN PLANT SCIENCE
Volume 25, Issue 1, Pages 92-104Publisher
CELL PRESS
DOI: 10.1016/j.tplants.2019.09.013
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Funding
- Agence Nationale de la Recherche [ANR-16-CE05-0026, ANR-18-CE11-0005]
- European Union [675006]
- Centre National de la Recherche Scientifique
- Commissariat a 'l'Energie Atomique
- European Union
- Agence Nationale de la Recherche (ANR) [ANR-16-CE05-0026] Funding Source: Agence Nationale de la Recherche (ANR)
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Under high irradiance, light becomes dangerous for photosynthetic organisms and they must protect themselves. Cyanobacteria have developed a simple mechanism, involving a photoactive soluble carotenoid protein, the orange carotenoid protein (OCP), which increases thermal dissipation of excess energy by interacting with the cyanobacterial antenna, the phycobilisome. Here, we summarize our knowledge of the OCP-related photoprotective mechanism, including the remarkable progress that has been achieved in recent years on OCP photoactivation and interaction with phycobilisomes, as well as with the fluorescence recovery protein, which is neccessary to end photoprotection. A recently discovered unique mechanism of carotenoid transfer between soluble proteins related to OCP is also described.
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