ArticleJournal of experimental botany2016
Type-f thioredoxins have a role in the short-term activation of carbon metabolism and their loss affects growth under short-day conditions in Arabidopsis thaliana.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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Who cites it
51 citing papers in PubMed, 79 citations in OpenAlex.
- The thioredoxin system protects PSI from photoinhibition in coordination with PSI cyclic electron transport under fluctuating light conditions.Plant & cell physiology · 2026Article
- Functional relationship of atypical thioredoxins with NADPH-thioredoxin reductase C and 2-Cys peroxiredoxins in Arabidopsis chloroplasts.Journal of experimental botany · 2025Article
- Plastidial thioredoxin-like proteins are essential for normal embryogenesis and seed development in Arabidopsis thaliana.Journal of plant research · 2025Article
- Redox regulation of glutamate-1-semialdehyde aminotransferase modulates the synthesis of 5-aminolevulinic acid in Arabidopsis.Frontiers in plant science · 2025Article
- Antioxidant Responses and Redox Regulation Within Plant-Beneficial Microbe Interaction.Antioxidants (Basel, Switzerland) · 2024Review
- Metabolomics of related C3 and C4 Flaveria species indicate differences in the operation of photorespiration under fluctuating light.Plant direct · 2024Article
- The impact of light and thioredoxins on the plant thiol-disulfide proteome.Plant physiology · 2024Article
- Divergent Protein Redox Dynamics and Their Relationship with Electron Transport Efficiency during Photosynthesis Induction.Plant & cell physiology · 2024Article
- Structured 3' UTRs destabilize mRNAs in plants.Genome biology · 2024Article
- NTRC and thioredoxins m1/m2 underpin the light acclimation of plants on proteome and metabolome levels.Plant physiology · 2024Article
- x- and y-type thioredoxins maintain redox homeostasis on photosystem I acceptor side under fluctuating light.Plant physiology · 2023Article
- Current Insights into the Redox Regulation Network in Plant Chloroplasts.Plant & cell physiology · 2023Review
- Article
- The Functional Relationship between NADPH Thioredoxin Reductase C, 2-Cys Peroxiredoxins, andAntioxidants (Basel, Switzerland) · 2023Article
- The Cluster Transfer Function of AtNEET Supports the Ferredoxin-Thioredoxin Network of Plant Cells.Antioxidants (Basel, Switzerland) · 2022Article
- Functional division of f-type and m-type thioredoxins to regulate the Calvin cycle and cyclic electron transport around photosystem I.Journal of plant research · 2022Article
- Back to the future: Transplanting the chloroplast TrxF-FBPase-SBPase redox system to cyanobacteria.Frontiers in plant science · 2022Article
- Topology of the redox network during induction of photosynthesis as revealed by time-resolved proteomics in tobacco.Science advances · 2021Article
- A chloroplast redox relay adapts plastid metabolism to light and affects cytosolic protein quality control.Plant physiology · 2021Article
- Overexpression of thioredoxin m in chloroplasts alters carbon and nitrogen partitioning in tobacco.Journal of experimental botany · 2021Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Redox regulation plays a central role in the adaptation of chloroplast metabolism to light. Extensive biochemical analyses in vitro have identified f-type thioredoxins (Trxs) as the most important catalysts for light-dependent reduction and activation of the enzymes of the Calvin-Benson cycle. However, the precise function of type f Trxs in vivo and their impact on plant growth are still poorly known. To address this issue we have generated an Arabidopsis thaliana double knock-out mutant, termed trxf1f2, devoid of both f1 and f2 Trxs. Despite the essential function previously proposed for f-type Trxs, the visible phenotype of the trxf1f2 double mutant was virtually indistinguishable from the wild type when grown under a long-day photoperiod. However, the Trx f-deficient plants showed growth inhibition under a short-day photoperiod which was not rescued at high light intensity. The absence of f-type Trxs led to significantly lower photosynthetic electron transport rates and higher levels of non-photochemical energy quenching. Notably, the Trx f null mutant suffered from a shortage of photosystem I electron acceptors and delayed activation of carbon dioxide fixation following a dark-light transition. Two redox-regulated Calvin-Benson cycle enzymes, fructose 1,6-bisphosphatase (FBPase) and Rubisco activase, showed retarded and incomplete reduction in the double mutant upon illumination, compared with wild-type plants. These results show that the function of f-type Trxs in the rapid activation of carbon metabolism in response to light is not entirely compensated for by additional plastid redox systems, and suggest that these Trxs have an important role in the light adjustment of photosynthetic metabolism.
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