ArticleJournal of experimental botany2019
Overexpression of thioredoxin m in tobacco chloroplasts inhibits the protein kinase STN7 and alters photosynthetic performance.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 39 citations in OpenAlex.
- How state transitions balance photosynthetic electron transport in plants - a quantitative study.The New phytologist · 2026Article
- Cloning and Functional Verification of Salt Tolerance GenePlants (Basel, Switzerland) · 2025Article
- Chloroplast acetyltransferase GNAT2 acts as a redox-regulated switch for state transitions in tomato.Molecular horticulture · 2025Article
- Shikimate Kinase-Like 1 Participates in an Ancient and Conserved Role Contributing to Chloroplast Biogenesis in Land Plants.Molecular biology and evolution · 2025Article
- Cysteine residues contribute to the regulation of Arabidopsis state transition 7 kinase.FEBS letters · 2025Article
- Light-independent pathway of STN7 kinase activation under low temperature stress in runner bean (Phaseolus coccineus L.).BMC plant biology · 2024Article
- Redox Signaling in Plant Heat Stress Response.Antioxidants (Basel, Switzerland) · 2023Review
- Plants acclimate to Photosystem I photoinhibition by readjusting the photosynthetic machinery.Plant, cell & environment · 2022Article
- ROS production and signalling in chloroplasts: cornerstones and evolving concepts.The Plant journal : for cell and molecular biology · 2022Review
- Photosynthetic Light Harvesting and Thylakoid Organization in a CRISPR/Cas9 Arabidopsis Thaliana LHCB1 Knockout Mutant.Frontiers in plant science · 2022Article
- Current Knowledge on Mechanisms Preventing Photosynthesis Redox Imbalance in Plants.Antioxidants (Basel, Switzerland) · 2021Review
- Overexpression of thioredoxin m in chloroplasts alters carbon and nitrogen partitioning in tobacco.Journal of experimental botany · 2021Article
- Functional redox links between lumen thiol oxidoreductase1 and serine/threonine-protein kinase STN7.Plant physiology · 2021Article
- Two chloroplast thioredoxin systems differentially modulate photosynthesis in Arabidopsis depending on light intensity and leaf age.The Plant journal : for cell and molecular biology · 2020Article
- Light-harvesting complex II is an antenna of photosystem I in dark-adapted plants.Nature plants · 2020Article
- Limited Responsiveness of Chloroplast Gene Expression during Acclimation to High Light in Tobacco.Plant physiology · 2020Article
- Efficient photosynthesis in dynamic light environments: a chloroplast's perspective.The Biochemical journal · 2019Review
- Chloroplast thioredoxin systems dynamically regulate photosynthesis in plants.The Biochemical journal · 2019Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The activity of the protein kinase STN7, involved in phosphorylation of the light-harvesting complex II (LHCII) proteins, has been reported as being co-operatively regulated by the redox state of the plastoquinone pool and the ferredoxin-thioredoxin (Trx) system. The present study aims to investigate the role of plastid Trxs in STN7 regulation and their impact on photosynthesis. For this purpose, tobacco plants overexpressing Trx f or m from the plastid genome were characterized, demonstrating that only Trx m overexpression was associated with a complete loss of LHCII phosphorylation that did not correlate with decreased STN7 levels. The absence of phosphorylation in Trx m-overexpressing plants impeded migration of LHCII from PSII to PSI, with the concomitant loss of PSI-LHCII complex formation. Consequently, the thylakoid ultrastructure was altered, showing reduced grana stacking. Moreover, the electron transport rate was negatively affected, showing an impact on energy-demanding processes such as the Rubisco maximum carboxylation capacity and ribulose 1,5-bisphosphate regeneration rate values, which caused a strong depletion in net photosynthetic rates. Finally, tobacco plants overexpressing a Trx m mutant lacking the reactive redox site showed equivalent physiological performance to the wild type, indicating that the overexpressed Trx m deactivates STN7 in a redox-dependent way.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.