ArticlePlant, cell & environment2013
Effects of altered α- and β-branch carotenoid biosynthesis on photoprotection and whole-plant acclimation of Arabidopsis to photo-oxidative stress.
Article in Plant, cell & environment, 2013. 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, 33 citations in OpenAlex.
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- Physiological responses and antioxidant properties of coriander plants (Coriandrum sativum L.) under different light intensities of red and blue lights.Scientific reports · 2022Article
- A Holistic Approach to Study Photosynthetic Acclimation Responses of Plants to Fluctuating Light.Frontiers in plant science · 2021Review
- Growth under Fluctuating Light Reveals Large Trait Variation in a Panel of Arabidopsis Accessions.Plants (Basel, Switzerland) · 2020Article
- The platformPlant methods · 2020Article
- Photosynthetic Acclimation to Fluctuating Irradiance in Plants.Frontiers in plant science · 2020Review
- Fluctuating Light Interacts with Time of Day and Leaf Development Stage to Reprogram Gene Expression.Plant physiology · 2019Article
- Root architecture simulation improves the inference from seedling root phenotyping towards mature root systems.Journal of experimental botany · 2017Article
- Production and Scavenging of Reactive Oxygen Species and Redox Signaling during Leaf and Flower Senescence: Similar But Different.Plant physiology · 2016Review
- Dissecting Long-Term Adjustments of Photoprotective and Photo-Oxidative Stress Acclimation Occurring in Dynamic Light Environments.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 5 countries.
Funding
Abstract
Functions of α- and β-branch carotenoids in whole-plant acclimation to photo-oxidative stress were studied in Arabidopsis thaliana wild-type (wt) and carotenoid mutants, lutein deficient (lut2, lut5), non-photochemical quenching1 (npq1) and suppressor of zeaxanthin-less1 (szl1) npq1 double mutant. Photo-oxidative stress was applied by exposing plants to sunflecks. The sunflecks caused reduction of chlorophyll content in all plants, but more severely in those having high α- to β-branch carotenoid composition (α/β-ratio) (lut5, szl1npq1). While this did not alter carotenoid composition in wt or lut2, which accumulates only β-branch carotenoids, increased xanthophyll levels were found in the mutants with high α/β-ratios (lut5, szl1npq1) or without xanthophyll-cycle operation (npq1, szl1npq1). The PsbS protein content increased in all sunfleck plants but lut2. These changes were accompanied by no change (npq1, szl1npq1) or enhanced capacity (wt, lut5) of NPQ. Leaf mass per area increased in lut2, but decreased in wt and lut5 that showed increased NPQ. The sunflecks decelerated primary root growth in wt and npq1 having normal α/β-ratios, but suppressed lateral root formation in lut5 and szl1npq1 having high α/β-ratios. The results highlight the importance of proper regulation of the α- and β-branch carotenoid pathways for whole-plant acclimation, not only leaf photoprotection, under photo-oxidative stress.
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Registered trials
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