ArticleThe Journal of biological chemistry2011
Photosystem I of Chlamydomonas reinhardtii contains nine light-harvesting complexes (Lhca) located on one side of the core.
Article in The Journal of biological chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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55 citing papers in PubMed, 116 citations in OpenAlex.
- Hidden diversity: Transcriptomic and photosynthetic variation among common 'wild type' Chlamydomonas strains.The Plant journal : for cell and molecular biology · 2025Article
- Photophysical model of primary charge separation in green algal photosystem I based on combined analysis of time-resolved absorption and fluorescence spectra.Photosynthesis research · 2025Article
- Synergistic Effects ofFoods (Basel, Switzerland) · 2025Article
- A distinct LHCI arrangement is recruited to photosystem I in Fe-starved green algae.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Biochemical and phylogenetic analyses of light-harvesting complexes from Tetraselmis striata.Photosynthesis research · 2025Article
- Purification and pigment analysis of diadinoxanthin-binding PSI-LHCI supercomplexes frommicroPublication biology · 2025Article
- Structural insights into the assembly and energy transfer of the Lhcb9-dependent photosystem I from moss Physcomitrium patens.Nature plants · 2023Article
- High light-induced changes in whole-cell proteomic profile and its correlation with the organization of thylakoid super-complex in cyclic electron transport mutants ofFrontiers in plant science · 2023Article
- Spectral diversity of photosystem I from flowering plants.Photosynthesis research · 2023Article
- Oxidative Stress- and Autophagy-Inducing Effects of PSI-LHCI fromBiotech (Basel (Switzerland)) · 2022Article
- The Loroxanthin Cycle: A New Type of Xanthophyll Cycle in Green Algae (Chlorophyta).Frontiers in plant science · 2022Article
- Structural Diversity of Photosystem I and Its Light-Harvesting System in Eukaryotic Algae and Plants.Frontiers in plant science · 2021Review
- PSI of the Colonial AlgaPlant physiology · 2020Article
- Characterization of a Giant PSI Supercomplex in the Symbiotic Dinoflagellate Symbiodiniaceae.Plant physiology · 2020Article
- Regulation of Light Harvesting inPlant physiology · 2020Article
- Composition, phosphorylation and dynamic organization of photosynthetic protein complexes in plant thylakoid membrane.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2020Review
- Rational Design of Photo-Electrochemical Hybrid Devices Based on Graphene and Chlamydomonas reinhardtii Light-Harvesting Proteins.Scientific reports · 2020Article
- Potential and Challenges of Improving Photosynthesis in Algae.Plants (Basel, Switzerland) · 2020Review
- The Antarctic psychrophiles Chlamydomonas spp. UWO241 and ICE-MDV exhibit differential restructuring of photosystem I in response to iron.Photosynthesis research · 2019Article
- pH dependence, kinetics and light-harvesting regulation of nonphotochemical quenching inProceedings of the National Academy of Sciences of the United States of America · 2019Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this work we have purified the Photosystem I (PSI) complex of Chlamydomonas reinhardtii to homogeneity. Biochemical, proteomic, spectroscopic, and structural analyses reveal the main properties of this PSI-LHCI supercomplex. The data show that the largest purified complex is composed of one core complex and nine Lhca antennas and that it contains all Lhca gene products. A projection map at 15 Å resolution obtained by electron microscopy reveals that the Lhcas are organized on one side of the core in a double half-ring arrangement, in contrast with previous suggestions. A series of stable disassembled PSI-LHCI intermediates was purified. The analysis of these complexes suggests the sequence of the assembly/disassembly process. It is shown that PSI-LHCI of C. reinhardtii is larger but far less stable than the complex from higher plants. Lhca2 and Lhca9 (the red-most antenna complexes), although present in the largest complex in 1:1 ratio with the core, are only loosely associated with it. This can explain the large variation in antenna composition of PSI-LHCI from C. reinhardtii found in the literature. The analysis of several subcomplexes with reduced antenna size allows determination of the position of Lhca2 and Lhca9 and leads to a proposal for a model of the organization of the Lhcas within the PSI-LHCI supercomplex.
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