ArticlePlanta2013
Control of STN7 transcript abundance and transient STN7 dimerisation are involved in the regulation of STN7 activity.
Article in Planta, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 52 citations in OpenAlex.
- Leaf development regulates state transition capacity in trees.Nature communications · 2026Article
- APE1 is involved in the stabilization/formation of the RC47 complex of PSII in oxygenic prototrophic organisms.Plant physiology · 2026Article
- Molecular architecture for state transition: insights from structural biology and evolutionary trajectories.Plant & cell physiology · 2025Review
- Cysteine residues contribute to the regulation of Arabidopsis state transition 7 kinase.FEBS letters · 2025Article
- Photostasis and photosynthetic adaptation to polar life.Photosynthesis research · 2024Review
- Article
- STN7 is not essential for developmental acclimation of Arabidopsis to light intensity.The Plant journal : for cell and molecular biology · 2023Article
- Current Knowledge on Mechanisms Preventing Photosynthesis Redox Imbalance in Plants.Antioxidants (Basel, Switzerland) · 2021Review
- Functional redox links between lumen thiol oxidoreductase1 and serine/threonine-protein kinase STN7.Plant physiology · 2021Article
- Arabidopsis ZINC FINGER PROTEIN1 Acts Downstream of GL2 to Repress Root Hair Initiation and Elongation by Directly Suppressing bHLH Genes.The Plant cell · 2020Article
- Cold-Adapted Protein Kinases and Thylakoid Remodeling Impact Energy Distribution in an Antarctic Psychrophile.Plant physiology · 2019Article
- Overexpression of thioredoxin m in tobacco chloroplasts inhibits the protein kinase STN7 and alters photosynthetic performance.Journal of experimental botany · 2019Article
- Photosynthetic response to increased irradiance correlates to variation in transcriptional response of lipid-remodeling and heat-shock genes.Plant direct · 2018Article
- Natural variation of YELLOW SEEDLING1 affects photosynthetic acclimation of Arabidopsis thaliana.Nature communications · 2017Article
- Phosphorylation of GENOMES UNCOUPLED 4 Alters Stimulation of Mg Chelatase Activity in Angiosperms.Plant physiology · 2016Article
- Activation of the Stt7/STN7 Kinase through Dynamic Interactions with the Cytochrome b6f Complex.Plant physiology · 2016Article
- Downregulation of TAP38/PPH1 enables LHCII hyperphosphorylation in Arabidopsis mutant lacking LHCII docking site in PSI.FEBS letters · 2016Article
- Photosynthetic lesions can trigger accelerated senescence in Arabidopsis thaliana.Journal of experimental botany · 2015Article
- The Antarctic Psychrophile Chlamydomonas sp. UWO 241 Preferentially Phosphorylates a Photosystem I-Cytochrome b6/f Supercomplex.Plant physiology · 2015Article
- High light-dependent phosphorylation of photosystem II inner antenna CP29 in monocots is STN7 independent and enhances nonphotochemical quenching.Plant physiology · 2015Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reversible phosphorylation of LHCII, the light-harvesting complex of photosystem II, controls its migration between the two photosystems (state transitions), and serves to adapt the photosynthetic machinery of plants and green algae to short-term changes in ambient light conditions. The thylakoid kinase STN7 is required for LHCII phosphorylation and state transitions in vascular plants. Regulation of STN7 levels occurs at the post-translational level, depends on the thylakoid redox state, and might involve reversible autophosphorylation. Here, we have analysed the effects of different light conditions and chemical inhibitors on the abundance of STN7 transcripts and their products. This analysis was performed in wild-type Arabidopsis thaliana plants, in several photosynthetic mutants, and in lines overexpressing STN7 (oeSTN7) or expressing mutant variants of STN7 carrying single or double cysteine-serine exchanges. It was found that accumulation of the STN7 protein is also controlled at the level of transcript abundance. Under certain conditions, exposure to high light or far-red light treatment, the relative decreases in LHCII phosphorylation can be attributed to decreases in STN7 abundance. Nevertheless, inhibitor experiments showed that redox control of LHCII kinase activity persists in oeSTN7 plants. STN7 dimers were found in oeSTN7 plants and in lines with single cysteine-serine exchanges, indicating that dimerisation involves disulphide bridges. We speculate that transient STN7 dimerisation is required for STN7 activity, and that the altered dimerisation behaviour of oeSTN7 plants might be responsible for the unusually high phosphorylation of LHCII in the dark found in this genotype.
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