ArticleJournal of experimental botany2017
Essential role for phytol kinase and tocopherol in tolerance to combined light and temperature stress in tomato.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 98 citations in OpenAlex.
- Screening of microalgal strains with elevated α-tocopherol levels and antioxidant capacity for biotechnological applications.Archives of microbiology · 2026Article
- A century of vitamin E research: The innovative journey from basic biology to synthetic bio-manufacturing.Journal of integrative plant biology · 2026Review
- Integration of transcriptomics and metabolomics for understanding the global responses to neutral pH and high pH under high light in photosynthetic bacteriumApplied and environmental microbiology · 2025Article
- Knock Down ofPlants (Basel, Switzerland) · 2025Article
- Tocopherol and Tocotrienol Content in the Leaves of the GenusPlants (Basel, Switzerland) · 2025Article
- Cultivated St. John's Wort Flower Heads Accumulate Tocotrienols over Tocopherols, Regardless of the Year of the Plant.Plants (Basel, Switzerland) · 2025Article
- Comparative Analysis of Phytochemical and Functional Profiles of Arabica Coffee Leaves and Green Beans Across Different Cultivars.Foods (Basel, Switzerland) · 2024Article
- Application of Multi-Omics Technologies to the Study of Phytochromes in Plants.Antioxidants (Basel, Switzerland) · 2024Review
- Nanobiotechnology-mediated regulation of reactive oxygen species homeostasis under heat and drought stress in plants.Frontiers in plant science · 2024Review
- Transcriptional and protein structural characterization of homogentisate phytyltransferase genes in barley, wheat, and oat.BMC plant biology · 2023Article
- How do barley plants with impaired photosynthetic light acclimation survive under high-light stress?Planta · 2023Article
- Phytol recycling: essential, yet not limiting for tomato fruit tocopherol accumulation under normal growing conditions.Plant molecular biology · 2023Article
- Nutritional Enrichment of Plant Leaves by Combining Genes Promoting Tocopherol Biosynthesis and Storage.Metabolites · 2023Article
- Regulation of the regulators: Transcription factors controlling biosynthesis of plant secondary metabolites during biotic stresses and their regulation by miRNAs.Frontiers in plant science · 2023Review
- The Biomedical Importance of the Missing Pathway for Farnesol and Geranylgeraniol Salvage.Molecules (Basel, Switzerland) · 2022Review
- Role of Tocochromanols in Tolerance of Cereals to Biotic Stresses: Specific Focus on Pathogenic and Toxigenic Fungal Species.International journal of molecular sciences · 2022Review
- Review
- γ-Aminobutyric acid plays a key role in plant acclimation to a combination of high light and heat stress.Plant physiology · 2022Article
- The Reactions of Photosynthetic Capacity and Plant Metabolites ofPlants (Basel, Switzerland) · 2022Article
- The genome of the Paleogene relic tree Bretschneidera sinensis: insights into trade-offs in gene family evolution, demographic history, and adaptive SNPs.DNA research : an international journal for rapid publication of reports on genes and genomes · 2022Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In a changing environment, plants need to cope with the impact of rising temperatures together with high light intensity. Here, we used lipidomics in the tomato model system to identify lipophilic molecules that enhance tolerance to combined high-temperature and high-light stress. Among several hundred metabolites, the two most strongly up-regulated compounds were α-tocopherol and plastoquinone/plastoquinol. Both are well-known lipid antioxidants and contribute to the protection of photosystem II (PSII) against photodamage under environmental stress. To address the protective function of tocopherol, an RNAi line (vte5) with decreased expression of VTE5 and reduced levels of α-tocopherol was selected. VTE5 encodes phytol kinase, which acts in the biosynthetic pathway of tocopherols. vte5 suffered strong photoinhibition and photobleaching when exposed to combined high-light and high-temperature stress, but neither stress alone produced a visible phenotype. As vte5 had plastoquinone levels similar to those of the wild type under combined stress, the strong phenotype could be attributed to the lack of α-tocopherol. These findings suggest that VTE5 protects against combined high-light and high-temperature stress and does so by supporting α-tocopherol production.
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