ArticlePlant physiology2007
Short- and long-term operation of the lutein-epoxide cycle in light-harvesting antenna complexes.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 67 citations in OpenAlex.
- Structure and regulation of violaxanthin de-epoxidase, a key enzyme in the photoprotection of photosynthesis.Plant physiology · 2026Review
- Metabolic Profiling ofMolecules (Basel, Switzerland) · 2022Article
- The role of photosynthesis related pigments in light harvesting, photoprotection and enhancement of photosynthetic yield in planta.Photosynthesis research · 2022Review
- Light quality, oxygenic photosynthesis and more.Photosynthetica · 2022Review
- The Loroxanthin Cycle: A New Type of Xanthophyll Cycle in Green Algae (Chlorophyta).Frontiers in plant science · 2022Article
- The Responses of Light Reaction of Photosynthesis to Dynamic Sunflecks in a Typically Shade-Tolerant SpeciesFrontiers in plant science · 2021Article
- Remote sensing of solar-induced chlorophyll fluorescence (SIF) in vegetation: 50 years of progress.Remote sensing of environment · 2019Article
- Heterologous expression ofPlant diversity · 2019Article
- Transcriptome profiling reveals the roles of pigment mechanisms in postharvest broccoli yellowing.Horticulture research · 2019Article
- Engineering the lutein epoxide cycle intoProceedings of the National Academy of Sciences of the United States of America · 2017Article
- Seed Carotenoid and Tocochromanol Composition of Wild Fabaceae Species Is Shaped by Phylogeny and Ecological Factors.Frontiers in plant science · 2017Article
- Transient expression in Nicotiana benthamiana for rapid functional analysis of genes involved in non-photochemical quenching and carotenoid biosynthesis.The Plant journal : for cell and molecular biology · 2016Article
- Spectral determination of concentrations of functionally diverse pigments in increasingly complex arctic tundra canopies.Oecologia · 2016Article
- Effects of altered α- and β-branch carotenoid biosynthesis on photoprotection and whole-plant acclimation of Arabidopsis to photo-oxidative stress.Plant, cell & environment · 2013Article
- Decreased photochemical efficiency of photosystem II following sunlight exposure of shade-grown leaves of avocado: because of, or in spite of, two kinetically distinct xanthophyll cycles?Plant physiology · 2013Article
- Physiological responses of Zostera marina and Cymodocea nodosa to light-limitation stress.PloS one · 2013Article
- From ecophysiology to phenomics: some implications of photoprotection and shade-sun acclimation in situ for dynamics of thylakoids in vitro.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Review
- Thermal energy dissipation and xanthophyll cycles beyond the Arabidopsis model.Photosynthesis research · 2012Review
- Article
- Three different mechanisms of energy dissipation of a desiccation-tolerant moss serve one common purpose: to protect reaction centres against photo-oxidation.Journal of experimental botany · 2012Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The lutein-5,6-epoxide (Lx) cycle operates in some plants between lutein (L) and its monoepoxide, Lx. Whereas recent studies have established the photoprotective roles of the analogous violaxanthin cycle, physiological functions of the Lx cycle are still unknown. In this article, we investigated the operation of the Lx cycle in light-harvesting antenna complexes (Lhcs) of Inga sapindoides Willd, a tropical tree legume accumulating substantial Lx in shade leaves, to identify the xanthophyll-binding sites involved in short- and long-term responses of the Lx cycle and to analyze the effects on light-harvesting efficiency. In shade leaves, Lx was converted into L upon light exposure, which then replaced Lx in the peripheral V1 site in trimeric Lhcs and the internal L2 site in both monomeric and trimeric Lhcs, leading to xanthophyll composition resembling sun-type Lhcs. Similar to the violaxanthin cycle, the Lx cycle was operating in both photosystems, yet the light-induced Lx --> L conversion was not reversible overnight. Interestingly, the experiments using recombinant Lhcb5 reconstituted with different Lx and/or L levels showed that reconstitution with Lx results in a significantly higher fluorescence yield due to higher energy transfer efficiencies among chlorophyll (Chl) a molecules, as well as from xanthophylls to Chl a. Furthermore, the spectroscopic analyses of photosystem I-LHCI from I. sapindoides revealed prominent red-most Chl forms, having the lowest energy level thus far reported for higher plants, along with reduced energy transfer efficiency from antenna pigments to Chl a. These results are discussed in the context of photoacclimation and shade adaptation.
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