ArticleThe Plant cell2013
Zeaxanthin binds to light-harvesting complex stress-related protein to enhance nonphotochemical quenching in Physcomitrella patens.
Article in The Plant cell, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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48 citing papers in PubMed, 122 citations in OpenAlex.
- Temperature-Associated Anatomical, Photosynthetic, and Putative GC-MS Metabolomic Profiles in the Arid SpeciesMetabolites · 2026Article
- 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
- Structure and regulation of violaxanthin de-epoxidase, a key enzyme in the photoprotection of photosynthesis.Plant physiology · 2026Review
- Rice MGD1-Mediated Improvement of Photosynthesis and Crop Yield by Flexible Adaptation to Different Light Conditions.Plant biotechnology journal · 2026Article
- Article
- Additive Effects of Multiple Photoprotective Mechanisms Drive Efficient Photosynthesis Under Variable Light Conditions.Plant, cell & environment · 2025Article
- The xanthophyll cycle balances photoprotection and photosynthetic efficiency in the seawater alga Nannochloropsis oceanica.Plant physiology · 2025Article
- Identification of key chlorophyll fluorescence parameters as biomarkers for dryland wheat under future climate conditions.Scientific reports · 2024Article
- Revealing the significance of chlorophyll b in the moss Physcomitrium patens by knocking out two functional chlorophyllide a oxygenase.Photosynthesis research · 2023Article
- Growth Light Quality Influences Leaf Surface Temperature by Regulating the Rate of Non-Photochemical Quenching Thermal Dissipation and Stomatal Conductance.International journal of molecular sciences · 2023Article
- Plants exposed to titanium dioxide nanoparticles acquired contrasting photosynthetic and morphological strategies depending on the growing light intensity: a case study in radish.Scientific reports · 2023Article
- The Functions of Chloroplastic Ascorbate in Vascular Plants and Algae.International journal of molecular sciences · 2023Review
- Influence of nitrogen and phosphorus additions on parameters of photosynthesis and chlorophyll fluorescence inPhotosynthetica · 2023Article
- Role of Spermidine in Photosynthesis and Polyamine Metabolism in Lettuce Seedlings under High-Temperature Stress.Plants (Basel, Switzerland) · 2022Article
- Light-harvesting complex stress-related proteins play crucial roles in the acclimation of Physcomitrella patens under fluctuating light conditions.Photosynthesis research · 2022Article
- Article
- A blueprint for gene function analysis through Base Editing in the model plant Physcomitrium (Physcomitrella) patens.The New phytologist · 2021Article
- Article
- Evolutionary divergence of photoprotection in the green algal lineage: a plant-like violaxanthin de-epoxidase enzyme activates the xanthophyll cycle in the green alga Chlorella vulgaris modulating photoprotection.The New phytologist · 2020Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nonphotochemical quenching (NPQ) dissipates excess energy to protect the photosynthetic apparatus from excess light. The moss Physcomitrella patens exhibits strong NPQ by both algal-type light-harvesting complex stress-related (LHCSR)-dependent and plant-type S subunit of Photosystem II (PSBS)-dependent mechanisms. In this work, we studied the dependence of NPQ reactions on zeaxanthin, which is synthesized under light stress by violaxanthin deepoxidase (VDE) from preexisting violaxanthin. We produced vde knockout (KO) plants and showed they underwent a dramatic reduction in thermal dissipation ability and enhanced photoinhibition in excess light conditions. Multiple mutants (vde lhcsr KO and vde psbs KO) showed that zeaxanthin had a major influence on LHCSR-dependent NPQ, in contrast with previous reports in Chlamydomonas reinhardtii. The PSBS-dependent component of quenching was less dependent on zeaxanthin, despite the near-complete violaxanthin to zeaxanthin exchange in LHC proteins. Consistent with this, we provide biochemical evidence that native LHCSR protein binds zeaxanthin upon excess light stress. These findings suggest that zeaxanthin played an important role in the adaptation of modern plants to the enhanced levels of oxygen and excess light intensity of land environments.
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