ArticleNature communications2017
Different carotenoid conformations have distinct functions in light-harvesting regulation in plants.
Article in Nature communications, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed.
- The role of far-red fluorescing chlorophylls in the quenching of LHCII.Photosynthesis research · 2026Article
- Advancements in photosynthetic efficiency: Pathways, regulation, and biotechnological applications for enhancing crop productivity.Plant signaling & behavior · 2025Review
- Nonphotochemical quenching in plants: Mechanisms and mysteries.The Plant cell · 2025Review
- Article
- Green gold rush in the Baltic Sea: Investigating sea lettuce's performance by distribution mapping of valuable compounds in a fluctuating environment.Journal of phycology · 2025Article
- Canopy imaging spectroscopy reveals a stepwise redshifted energy redistribution in the antenna under drought stress.Scientific reports · 2025Article
- In vivo detection of spectral reflectance changes associated with regulated heat dissipation mechanisms complements fluorescence quantum efficiency in early stress diagnosis.The New phytologist · 2025Article
- The Orange Carotenoid Protein Triggers Cyanobacterial Photoprotection by Quenching Bilins via a Structural Switch of Its Carotenoid.Journal of the American Chemical Society · 2024Article
- Ultrafast energy quenching mechanism of LHCSR3-dependent photoprotection in Chlamydomonas.Nature communications · 2024Article
- Predicting Solvatochromism of Chromophores in Proteins through QM/MM and Machine Learning.The journal of physical chemistry. A · 2024Article
- Ultrafast excited-state dynamics of Luteins in the major light-harvesting complex LHCII.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2024Article
- Ketocarotenoid production in tomato triggers metabolic reprogramming and cellular adaptation: The quest for homeostasis.Plant biotechnology journal · 2024Article
- The nature of carotenoid S* state and its role in the nonphotochemical quenching of plants.Nature communications · 2024Article
- Isomerization of carotenoids in photosynthesis and metabolic adaptation.Biophysical reviews · 2023Review
- Different Responses to Water Deficit of Two Common Winter Wheat Varieties: Physiological and Biochemical Characteristics.Plants (Basel, Switzerland) · 2023Article
- The origin of pigment-binding differences in CP29 and LHCII: the role of protein structure and dynamics.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2023Article
- Light activation of Orange Carotenoid Protein reveals bicycle-pedal single-bond isomerization.Nature communications · 2022Article
- Engineering astaxanthin accumulation reduces photoinhibition and increases biomass productivity under high light in Chlamydomonas reinhardtii.Biotechnology for biofuels and bioproducts · 2022Article
- Understanding Carotenoid Dynamics via the Vibronic Energy Relaxation Approach.The journal of physical chemistry. B · 2022Review
- Functional plasticity ofAoB PLANTS · 2022Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
To avoid photodamage plants regulate the amount of excitation energy in the membrane at the level of the light-harvesting complexes (LHCs). It has been proposed that the energy absorbed in excess is dissipated via protein conformational changes of individual LHCs. However, the exact quenching mechanism remains unclear. Here we study the mechanism of quenching in LHCs that bind a single carotenoid species and are constitutively in a dissipative conformation. Via femtosecond spectroscopy we resolve a number of carotenoid dark states, demonstrating that the carotenoid is bound to the complex in different conformations. Some of those states act as excitation energy donors for the chlorophylls, whereas others act as quenchers. Via in silico analysis we show that structural changes of carotenoids are expected in the LHC protein domains exposed to the chloroplast lumen, where acidification triggers photoprotection in vivo. We propose that structural changes of LHCs control the conformation of the carotenoids, thus permitting access to different dark states responsible for either light harvesting or photoprotection.
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