ArticleNature plants2020
Structure of a minimal photosystem I from the green alga Dunaliella salina.
Article in Nature plants, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 61 citations in OpenAlex.
- Cryo-EM structure of a photosystem I supercomplex from Euglena gracilis containing pentameric LHCE and dimeric LHCII.Nature communications · 2026Article
- Structural basis of diadinoxanthin-Chl a/b-binding proteins in the photosystem I supercomplex ofScience advances · 2026Article
- The architecture and energy transfer pathways of PSI-LHCI-LHCII in the phototrophic flagellate Euglena gracilis.Nature communications · 2026Article
- Structure and energy transfer of a far-red-absorbing euglenophyte PSI-LhcE-LhcbM supercomplex.Nature communications · 2026Article
- Structural insights into the divergent evolution of a photosystem I supercomplex inScience advances · 2025Article
- The Photosynthetic Complexes of Thylakoid Membranes of Photoautotrophs and a Quartet of Their Polar Lipids.International journal of molecular sciences · 2025Review
- 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
- Development of a TSR-based method for understanding structural relationships of cofactors and local environments in photosystem I.BMC bioinformatics · 2025Article
- Fe starvation induces a second LHCI tetramer to photosystem I in green algae.bioRxiv : the preprint server for biology · 2024Article
- Photosystem I: A Paradigm for Understanding Biological Environmental Adaptation Mechanisms in Cyanobacteria and Algae.International journal of molecular sciences · 2024Review
- Structure of plant photosystem I in a native assembly state defines PsaF as a regulatory checkpoint.Nature plants · 2024Article
- Investigating the Balance between Structural Conservation and Functional Flexibility in Photosystem I.International journal of molecular sciences · 2024Review
- Hypothetical chloroplast reading frame 51 encodes a photosystem I assembly factor in cyanobacteria.The Plant cell · 2024Article
- Coupling and Slips in Photosynthetic Reactions-From Femtoseconds to Eons.Plants (Basel, Switzerland) · 2023Article
- High salt-induced PSI-supercomplex is associated with high CEF and attenuation of state transitions.Photosynthesis research · 2023Article
- Structural insights into a unique PSI-LHCI-LHCII-Lhcb9 supercomplex from moss Physcomitrium patens.Nature plants · 2023Article
- Structure of Photosystem I Supercomplex Isolated from aBiomolecules · 2023Article
- Dynamic Regulation of the Light-Harvesting System through State Transitions in Land Plants and Green Algae.Plants (Basel, Switzerland) · 2023Review
- Remodeling of algal photosystem I through phosphorylation.Bioscience reports · 2023Article
- Life in biophotovoltaics systems.Frontiers in plant science · 2023Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Solar energy harnessed by oxygenic photosynthesis supports most of the life forms on Earth. In eukaryotes, photosynthesis occurs in chloroplasts and is achieved by membrane-embedded macromolecular complexes that contain core and peripheral antennae with multiple pigments. The structure of photosystem I (PSI) comprises the core and light-harvesting (LHCI) complexes, which together form PSI-LHCI. Here we determined the structure of PSI-LHCI from the salt-tolerant green alga Dunaliella salina using X-ray crystallography and electron cryo-microscopy. Our results reveal a previously undescribed configuration of the PSI core. It is composed of only 7 subunits, compared with 14-16 subunits in plants and the alga Chlamydomonas reinhardtii, and forms the smallest known PSI. The LHCI is poorly conserved at the sequence level and binds to pigments that form new energy pathways, and the interactions between the individual Lhca1-4 proteins are weakened. Overall, the data indicate the PSI of D. salina represents a different type of the molecular organization that provides important information for reconstructing the plasticity and evolution of PSI.
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