ArticlePlant physiology2015
STATE TRANSITION7-Dependent Phosphorylation Is Modulated by Changing Environmental Conditions, and Its Absence Triggers Remodeling of Photosynthetic Protein Complexes.
Article in Plant physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 82 citations in OpenAlex.
- The cold case of state transition 7 (stt7) mutants of Chlamydomonas reinhardtii, solved by whole-genome sequencing.The New phytologist · 2026Article
- Roles of LHCSR3 and STT7 in the remodeling of thylakoid supercomplexes in Chlamydomonas reinhardtii under UV-B treatment.The New phytologist · 2026Article
- Structural proteomics reveals the functional docking interface of ferredoxin-NADPThe Plant journal : for cell and molecular biology · 2026Article
- The amino terminus of PetD is essential for cytochrome bNature plants · 2026Article
- Feedback control of state transition kinase activity by phosphorylation of its target PetD.Nature plants · 2026Article
- Importance of cysteine residues in the C-terminal region of PGRL1 for PSI photoprotection in Chlamydomonas reinhardtii.Plant physiology · 2026Article
- Interplay between high-energy quenching and state transitions in Chlamydomonas reinhardtii: a single-cell approach.The New phytologist · 2026Article
- Insights into plastocyanin-cytochrome b6f complex formation: The role of plastocyanin phosphorylation.Plant physiology · 2025Article
- Bestrophin-like protein 4 is involved in photosynthetic acclimation to light fluctuations in Chlamydomonas.Plant physiology · 2024Article
- EPR studies of ferredoxin in spinach and cyanobacterial thylakoids related to photosystem I-driven NADPPhotosynthesis research · 2024Article
- Macroscale structural changes of thylakoid architecture during high light acclimation in Chlamydomonas reinhardtii.Photosynthesis research · 2024Article
- The stromal side of the cytochrome b6f complex regulates state transitions.The Plant cell · 2024Article
- Regulation of Microalgal Photosynthetic Electron Transfer.Plants (Basel, Switzerland) · 2024Review
- Chemical Protein Crosslinking-Coupled Mass Spectrometry Reveals Interaction of LHCI with LHCII and LHCSR3 inPlants (Basel, Switzerland) · 2024Article
- Remodeling of algal photosystem I through phosphorylation.Bioscience reports · 2023Article
- Plastoquinone pool redox state and control of state transitions in Chlamydomonas reinhardtii in darkness and under illumination.Photosynthesis research · 2023Article
- Algal photosystem I dimer and high-resolution model of PSI-plastocyanin complex.Nature plants · 2022Article
- ROS production and signalling in chloroplasts: cornerstones and evolving concepts.The Plant journal : for cell and molecular biology · 2022Review
- Interplay between LHCSR proteins and state transitions governs the NPQ response in Chlamydomonas during light fluctuations.Plant, cell & environment · 2022Article
- Functional redox links between lumen thiol oxidoreductase1 and serine/threonine-protein kinase STN7.Plant physiology · 2021Article
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Authors and funding
12 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In plants and algae, the serine/threonine kinase STN7/STT7, orthologous protein kinases in Chlamydomonas reinhardtii and Arabidopsis (Arabidopsis thaliana), respectively, is an important regulator in acclimation to changing light environments. In this work, we assessed STT7-dependent protein phosphorylation under high light in C. reinhardtii, known to fully induce the expression of light-harvesting complex stress-related protein3 (LHCSR3) and a nonphotochemical quenching mechanism, in relationship to anoxia where the activity of cyclic electron flow is stimulated. Our quantitative proteomics data revealed numerous unique STT7 protein substrates and STT7-dependent protein phosphorylation variations that were reliant on the environmental condition. These results indicate that STT7-dependent phosphorylation is modulated by the environment and point to an intricate chloroplast phosphorylation network responding in a highly sensitive and dynamic manner to environmental cues and alterations in kinase function. Functionally, the absence of the STT7 kinase triggered changes in protein expression and photoinhibition of photosystem I (PSI) and resulted in the remodeling of photosynthetic complexes. This remodeling initiated a pronounced association of LHCSR3 with PSI-light harvesting complex I (LHCI)-ferredoxin-NADPH oxidoreductase supercomplexes. Lack of STT7 kinase strongly diminished PSII-LHCII supercomplexes, while PSII core complex phosphorylation and accumulation were significantly enhanced. In conclusion, our study provides strong evidence that the regulation of protein phosphorylation is critical for driving successful acclimation to high light and anoxic growth environments and gives new insights into acclimation strategies to these environmental conditions.
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