ArticleThe Plant cell2009
Lutein accumulation in the absence of zeaxanthin restores nonphotochemical quenching in the Arabidopsis thaliana npq1 mutant.
Article in The Plant cell, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 77 papers.
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Who cites it
77 citing papers in PubMed, 202 citations in OpenAlex.
- The state of plant photosystem II reaction centres affects the rate of non-photochemical quenching.Nature plants · 2026Article
- Quick conversions and de novo synthesis within the entire α- and β-carotenoid branches during non-steady-state light transients.Photosynthesis research · 2026Article
- CP26 is not involved in qE- or qZ-type non-photochemical quenching in Arabidopsis.Plant physiology · 2026Article
- Structure and regulation of violaxanthin de-epoxidase, a key enzyme in the photoprotection of photosynthesis.Plant physiology · 2026Review
- Dissecting the contributions to non-photochemical quenching in a land plant under fluctuating light.Nature communications · 2026Article
- Mapping light-harvesting and photoprotection responses in the Photosystem II antenna system of higher plants.Plant physiology · 2025Article
- Additive Effects of Multiple Photoprotective Mechanisms Drive Efficient Photosynthesis Under Variable Light Conditions.Plant, cell & environment · 2025Article
- Light-induced increase in the steady-state chlorophyll fluorescence in cyanobacteria reflects induction of energy dissipation complementary to orange carotenoid protein-dependent thermal dissipation.Photosynthesis research · 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
- Unravelling the different components of nonphotochemical quenching using a novel analytical pipeline.The New phytologist · 2025Article
- Macroscale structural changes of thylakoid architecture during high light acclimation in Chlamydomonas reinhardtii.Photosynthesis research · 2024Article
- Chlorophyll to zeaxanthin energy transfer in nonphotochemical quenching: An exciton annihilation-free transient absorption study.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Central transcriptional regulator controls photosynthetic growth and carbon storage in response to high light.Nature communications · 2024Article
- Article
- Modulation of the wheat transcriptome by TaZFP13D under well-watered and drought conditions.Plant molecular biology · 2024Article
- Identification of Candidate QTLs and Genes for Ear Diameter by Multi-Parent Population in Maize.Genes · 2023Article
- How the pH Controls Photoprotection in the Light-Harvesting Complex of Mosses.Journal of the American Chemical Society · 2023Article
- Cas9 deletion of lutein biosynthesis in the marine algaFrontiers in bioengineering and biotechnology · 2023Article
- UV Radiation Induces Specific Changes in the Carotenoid Profile ofBiomolecules · 2022Article
- Identification of growth regulators using cross-species network analysis in plants.Plant physiology · 2022Article
17 more citing papers are in PubMed but not listed here.
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
Abstract
Plants protect themselves from excess absorbed light energy through thermal dissipation, which is measured as nonphotochemical quenching of chlorophyll fluorescence (NPQ). The major component of NPQ, qE, is induced by high transthylakoid DeltapH in excess light and depends on the xanthophyll cycle, in which violaxanthin and antheraxanthin are deepoxidized to form zeaxanthin. To investigate the xanthophyll dependence of qE, we identified suppressor of zeaxanthin-less1 (szl1) as a suppressor of the Arabidopsis thaliana npq1 mutant, which lacks zeaxanthin. szl1 npq1 plants have a partially restored qE but lack zeaxanthin and have low levels of violaxanthin, antheraxanthin, and neoxanthin. However, they accumulate more lutein and alpha-carotene than the wild type. szl1 contains a point mutation in the lycopene beta-cyclase (LCYB) gene. Based on the pigment analysis, LCYB appears to be the major lycopene beta-cyclase and is not involved in neoxanthin synthesis. The Lhcb4 (CP29) and Lhcb5 (CP26) protein levels are reduced by 50% in szl1 npq1 relative to the wild type, whereas other Lhcb proteins are present at wild-type levels. Analysis of carotenoid radical cation formation and leaf absorbance changes strongly suggest that the higher amount of lutein substitutes for zeaxanthin in qE, implying a direct role in qE, as well as a mechanism that is weakly sensitive to carotenoid structural properties.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.