ArticlePloS one2012
Non-photochemical quenching in cryptophyte alga Rhodomonas salina is located in chlorophyll a/c antennae.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 79 citations in OpenAlex.
- pH-Dependent Vibrational Dynamics Drives Excited-State Quenching in the Phycobiliprotein Complex PC645.Journal of the American Chemical Society · 2026Article
- Photoacclimation of cryptophytes and diatoms to light variability in the Western Antarctic Peninsula.Journal of phycology · 2026Article
- Unraveling the evolutionary trajectory of LHCI in red-lineage algae: Conservation, diversification, and neolocalization.iScience · 2024Article
- Structural basis for the distinct core-antenna assembly of cryptophyte photosystem II.Nature communications · 2024Article
- Regulation of Microalgal Photosynthetic Electron Transfer.Plants (Basel, Switzerland) · 2024Review
- Structure and distinct supramolecular organization of a PSII-ACPII dimer from a cryptophyte alga Chroomonas placoidea.Nature communications · 2024Article
- Growth phase-dependent reorganization of cryptophyte photosystem I antennae.Communications biology · 2024Article
- Observation of conformational dynamics in single light-harvesting proteins from cryptophyte algae.The Journal of chemical physics · 2022Article
- Controllable Phycobilin Modification: An Alternative Photoacclimation Response in Cryptophyte Algae.ACS central science · 2022Article
- Antenna Protein Clustering In Vitro Unveiled by Fluorescence Correlation Spectroscopy.International journal of molecular sciences · 2021Article
- Modeling Dynamic Conformations of Organic Molecules: Alkyne Carotenoids in Solution.The journal of physical chemistry. A · 2020Article
- What Happened to the Phycobilisome?Biomolecules · 2019Review
- Photoprotective strategies in the motile cryptophyte alga Rhodomonas salina-role of non-photochemical quenching, ions, photoinhibition, and cell motility.Folia microbiologica · 2019Article
- Antenna proton sensitivity determines photosynthetic light harvesting strategy.Journal of experimental botany · 2018Article
- Proteomic analysis of the phycobiliprotein antenna of the cryptophyte alga Guillardia theta cultured under different light intensities.Photosynthesis research · 2018Article
- Article
- Role of Ions in the Regulation of Light-Harvesting.Frontiers in plant science · 2016Review
- Presence of state transitions in the cryptophyte alga Guillardia theta.Journal of experimental botany · 2015Article
- Mechanism of photoprotection in the cyanobacterial ancestor of plant antenna proteins.Nature chemical biology · 2015Article
- Phycobilisome Mobility and Its Role in the Regulation of Light Harvesting in Red Algae.Plant physiology · 2014Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photosynthesis uses light as a source of energy but its excess can result in production of harmful oxygen radicals. To avoid any resulting damage, phototrophic organisms can employ a process known as non-photochemical quenching (NPQ), where excess light energy is safely dissipated as heat. The mechanism(s) of NPQ vary among different phototrophs. Here, we describe a new type of NPQ in the organism Rhodomonas salina, an alga belonging to the cryptophytes, part of the chromalveolate supergroup. Cryptophytes are exceptional among photosynthetic chromalveolates as they use both chlorophyll a/c proteins and phycobiliproteins for light harvesting. All our data demonstrates that NPQ in cryptophytes differs significantly from other chromalveolates - e.g. diatoms and it is also unique in comparison to NPQ in green algae and in higher plants: (1) there is no light induced xanthophyll cycle; (2) NPQ resembles the fast and flexible energetic quenching (qE) of higher plants, including its fast recovery; (3) a direct antennae protonation is involved in NPQ, similar to that found in higher plants. Further, fluorescence spectroscopy and biochemical characterization of isolated photosynthetic complexes suggest that NPQ in R. salina occurs in the chlorophyll a/c antennae but not in phycobiliproteins. All these results demonstrate that NPQ in cryptophytes represents a novel class of effective and flexible non-photochemical quenching.
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