ArticleJournal of experimental botany2021
Distinct plastid fructose bisphosphate aldolases function in photosynthetic and non-photosynthetic metabolism in Arabidopsis.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 51 citations in OpenAlex.
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- Comparative proteomics analysis of wild and cultivated accessions reveals key candidate proteins associated with seed weight variations in peanut.BMC plant biology · 2026Article
- Stress drives plasticity in leaf ageing transcriptional dynamics in Arabidopsis thaliana.Nature plants · 2026Article
- Genome-wide analysis and characterization of the rice OsFBA family provides insights into its responses to ABA and cold stress.BMC plant biology · 2026Article
- Genome-wide analysis of theFrontiers in plant science · 2026Article
- Coordinated regulation of amino acid metabolism and transport in cereal nitrogen remobilization for grain filling.Frontiers in plant science · 2026Review
- Changes in proteome and protein carbonylation in potato (Solanum tuberosum L.) under single and combined abiotic stresses.Scientific reports · 2025Article
- Single-cell transcriptome sequencing reveals the sphingolipid metabolism pathway plays an important role in leaf senescence in tobacco.BMC plant biology · 2025Article
- Genome-Wide Identification and Expression Analysis of theInternational journal of molecular sciences · 2025Article
- Melatonin Improves Salt Tolerance in Tomato Seedlings by Enhancing Photosystem II Functionality and Calvin Cycle Activity.Plants (Basel, Switzerland) · 2025Article
- A Dual-localized Fructose Bisphosphate Aldolase is Essential for Chloroplast Development and Carbon Metabolism in Rice.Rice (New York, N.Y.) · 2025Article
- Identification of genetic loci for growth and stem form traits in hybridForestry research · 2025Article
- Complementary environmental analysis and functional characterization of lower glycolysis-gluconeogenesis in the diatom plastid.The Plant cell · 2024Article
- The Impact of Lighting Treatments on the Biosynthesis of Phenolic Acids in Black Wheat Seedlings.Foods (Basel, Switzerland) · 2024Article
- How photosynthetic performance impacts agricultural productivity in hybrid cotton offspring.Heliyon · 2024Article
- Genome-Wide Characterization of Fructose 1,6-Bisphosphate Aldolase Genes and Expression Profile Reveals Their Regulatory Role in Abiotic Stress in Cucumber.International journal of molecular sciences · 2024Article
- Integrating Proteomics and Metabolomics Approaches to Elucidate the Mechanism of Responses to Combined Stress in the Bell Pepper (Plants (Basel, Switzerland) · 2024Article
- Characterization ofFrontiers in genetics · 2024Article
- Functional Genome Analyses Reveal the Molecular Basis of Oil Accumulation in Developing Seeds of Castor Beans.International journal of molecular sciences · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Plastid metabolism is critical in both photoautotrophic and heterotrophic plant cells. In chloroplasts, fructose-1,6-bisphosphate aldolase (FBA) catalyses the formation of both fructose 1,6-bisphosphate and sedoheptulose 1,7-bisphosphate within the Calvin-Benson cycle. Three Arabidopsis genes, AtFBA1-AtFBA3, encode plastidial isoforms of FBA, but the contribution of each isoform is unknown. Phylogenetic analysis indicates that FBA1 and FBA2 derive from a recently duplicated gene, while FBA3 is a more ancient paralog. fba1 mutants are phenotypically indistinguishable from the wild type, while both fba2 and fba3 have reduced growth. We show that FBA2 is the major isoform in leaves, contributing most of the measurable activity. Partial redundancy with FBA1 allows both single mutants to survive, but combining both mutations is lethal, indicating a block of photoautotrophy. In contrast, FBA3 is expressed predominantly in heterotrophic tissues, especially the leaf and root vasculature, but not in the leaf mesophyll. We show that the loss of FBA3 affects plastidial glycolytic metabolism of the root, potentially limiting the biosynthesis of essential compounds such as amino acids. However, grafting experiments suggest that fba3 is dysfunctional in leaf phloem transport, and we suggest that a block in photoassimilate export from leaves causes the buildup of high carbohydrate concentrations and retarded growth.
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