ArticlePhysiologia plantarum
A Novel Multivariate Analysis: Overturning Long-Held Beliefs About Non-Photochemical Quenching.
Article in Physiologia plantarum. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed.
- Singlet Oxygen in Plants: Mechanistic Insights into Production, Oxidative Damage, and Stress-Response Signaling.Antioxidants (Basel, Switzerland) · 2026Review
- Functional divergence of LhcSR and PsbS in zeaxanthin-mediated non-photochemical quenching.The New phytologist · 2026Article
- Nonphotochemical quenching in plants: Mechanisms and mysteries.The Plant cell · 2025Review
- A Novel Multivariate Analysis: Overturning Long-Held Beliefs About Non-Photochemical Quenching.Physiologia plantarumArticle
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Authors and funding
3 authors.
Funding
Abstract
When light absorption exceeds photochemical quenching, plants activate non-photochemical quenching (NPQ) to dissipate excess energy as heat. Recently, we have developed a novel multivariate pipeline for NPQ induction analysis. Applying this pipeline to NPQ induction curves of several Arabidopsis thaliana NPQ genotypes, overturns the long-held belief that zeaxanthin (Zx) accelerates NPQ induction upon light-adaptation. We demonstrate that the observed acceleration is solely due to the action of PsbS. Our approach allows the synergistic inter-relationships between PsbS and Zx to be unambiguously explored. Specifically, we applied our analysis to dark- and light-adapted wild-type (wt), Zx-lacking (npq1), Zx-rich (npq2) and PsbS-lacking (npq4) A. thaliana. Only the PsbS-dependent quenching in npq2, wt and npq1 plants exhibited faster induction kinetics following light adaptation. Changes in the Zx-levels (npq1 → wt → npq2) lead to changes in the overall amplitudes of the PsbS-components, revealing a Zx-driven amplification of PsbS-dependent quenching. In the presence of PsbS (npq2/wt), Zx also provides its own distinct contribution to NPQ. Together, this reveals the distinct roles of Zx in NPQ and the multilayered synergistic relationship between PsbS and Zx. Combined with mutant genotypes, our unique analysis is an invaluable toolkit to answer mechanistic questions and will allow different NPQ models to be experimentally explored.
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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.