ArticleThe Plant cell2015
Fibrillin 5 Is Essential for Plastoquinone-9 Biosynthesis by Binding to Solanesyl Diphosphate Synthases in Arabidopsis.
Article in The Plant cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 69 citations in OpenAlex.
- Tobamoviruses CP Proteins Hijack Light-Induced Protein (NbLIP1) to Promote Viral Replication by Facilitating VRO Formation.Plant biotechnology journal · 2026Article
- Structural insights into the molecular mechanisms of OsFBN5-induced OsSPS3 catalysis.Nature plants · 2026Article
- Chloroplast Fibrillin-Mediated α-Tocopherol Biosynthesis Impaired by a Virus to Enhance Infection and to Improve Drought Tolerance.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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- The FIBRILLIN multigene family in tomato, their roles in plastoglobuli structure and metabolism.The Plant journal : for cell and molecular biology · 2025Article
- Characterization and Functional Analysis of theBiology · 2025Article
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- Cuticle development and the underlying transcriptome-metabolome associations during early seedling establishment.Journal of experimental botany · 2024Article
- COI1 F-box proteins regulate DELLA protein levels, growth, and photosynthetic efficiency in maize.The Plant cell · 2024Article
- Arabidopsis FIBRILLIN6 influences carotenoid biosynthesis by directly promoting phytoene synthase activity.Plant physiology · 2024Article
- Fibrillin gene family and its role in plant growth, development, and abiotic stress.Frontiers in plant science · 2024Review
- Antioxidants of Non-Enzymatic Nature: Their Function in Higher Plant Cells and the Ways of Boosting Their Biosynthesis.Antioxidants (Basel, Switzerland) · 2023Review
- Comparison of plastid proteomes points towards a higher plastidial redox turnover in vascular tissues than in mesophyll cells.Journal of experimental botany · 2023Article
- Article
- Overexpression of plastid lipid-associated protein in marine diatom enhances the xanthophyll synthesis and storage.Frontiers in microbiology · 2023Article
- Chloroplast-localized PITP7 is essential for plant growth and photosynthetic function in Arabidopsis.Physiologia plantarum · 2022Article
- Fibrillin2 in chloroplast plastoglobules participates in photoprotection and jasmonate-induced senescence.Plant physiology · 2022Article
- The role of photosynthesis related pigments in light harvesting, photoprotection and enhancement of photosynthetic yield in planta.Photosynthesis research · 2022Review
- Arabidopsis fibrillin 1-2 subfamily members exert their functions via specific protein-protein interactions.Journal of experimental botany · 2022Article
- Article
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3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Fibrillins are lipid-associated proteins in plastids and are ubiquitous in plants. They accumulate in chromoplasts and sequester carotenoids during the development of flowers and fruits. However, little is known about the functions of fibrillins in leaf tissues. Here, we identified fibrillin 5 (FBN5), which is essential for plastoquinone-9 (PQ-9) biosynthesis in Arabidopsis thaliana. Homozygous fbn5-1 mutations were seedling-lethal, and XVE:FBN5-B transgenic plants expressing low levels of FBN5-B had a slower growth rate and were smaller than wild-type plants. In chloroplasts, FBN5-B specifically interacted with solanesyl diphosphate synthases (SPSs) 1 and 2, which biosynthesize the solanesyl moiety of PQ-9. Plants containing defective FBN5-B accumulated less PQ-9 and its cyclized product, plastochromanol-8, but the levels of tocopherols were not affected. The reduced PQ-9 content of XVE:FBN5-B transgenic plants was consistent with their lower photosynthetic performance and higher levels of hydrogen peroxide under cold stress. These results indicate that FBN5-B is required for PQ-9 biosynthesis through its interaction with SPS. Our study adds FBN5 as a structural component involved in the biosynthesis of PQ-9. FBN5 binding to the hydrophobic solanesyl moiety, which is generated by SPS1 and SPS2, in FBN5-B/SPS homodimeric complexes stimulates the enzyme activity of SPS1 and SPS2.
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