ArticleScientific reports2017
Functional modulation of LHCSR1 protein from Physcomitrella patens by zeaxanthin binding and low pH.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 26 citations in OpenAlex.
- LHCSR1 Functions as a Dimmer Switch for Light Harvesting.The journal of physical chemistry letters · 2026Article
- Functional divergence of LhcSR and PsbS in zeaxanthin-mediated non-photochemical quenching.The New phytologist · 2026Article
- How the pH Controls Photoprotection in the Light-Harvesting Complex of Mosses.Journal of the American Chemical Society · 2023Article
- Structure of the stress-related LHCSR1 complex determined by an integrated computational strategy.Communications biology · 2022Article
- Article
- Structural basis for assembly and function of a diatom photosystem I-light-harvesting supercomplex.Nature communications · 2020Article
- Functional analysis of LHCSR1, a protein catalyzing NPQ in mosses, by heterologous expression in Arabidopsis thaliana.Photosynthesis research · 2019Article
- Formation of a PSI-PSII megacomplex containing LHCSR and PsbS in the moss Physcomitrella patens.Journal of plant research · 2019Article
- Microsecond and millisecond dynamics in the photosynthetic protein LHCSR1 observed by single-molecule correlation spectroscopy.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Molecular Mechanisms of Nonphotochemical Quenching in the LHCSR3 Protein of Chlamydomonas reinhardtii.The journal of physical chemistry letters · 2019Article
- LHCSR3 is a nonphotochemical quencher of both photosystems inProceedings of the National Academy of Sciences of the United States of America · 2019Article
- Combination of the EndogenousFrontiers in plant science · 2017Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
Light harvesting for oxygenic photosynthesis is regulated to prevent the formation of harmful photoproducts by activation of photoprotective mechanisms safely dissipating the energy absorbed in excess. Lumen acidification is the trigger for the formation of quenching states in pigment binding complexes. With the aim to uncover the photoprotective functional states responsible for excess energy dissipation in green algae and mosses, we compared the fluorescence dynamic properties of the light-harvesting complex stress-related (LHCSR1) protein, which is essential for fast and reversible regulation of light use efficiency in lower plants, as compared to the major LHCII antenna protein, which mainly fulfills light harvesting function. Both LHCII and LHCSR1 had a chlorophyll fluorescence yield and lifetime strongly dependent on detergent concentration but the transition from long- to short-living states was far more complete and fast in the latter. Low pH and zeaxanthin binding enhanced the relative amplitude of quenched states in LHCSR1, which were characterized by the presence of 80 ps fluorescence decay components with a red-shifted emission spectrum. We suggest that energy dissipation occurs in the chloroplast by the activation of 80 ps quenching sites in LHCSR1 which spill over excitons from the photosystem II antenna system.
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