ArticleProceedings of the National Academy of Sciences of the United States of America2006
Identification of the mobile light-harvesting complex II polypeptides for state transitions in Chlamydomonas reinhardtii.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 107 papers.
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107 citing papers in PubMed, 250 citations in OpenAlex.
- Roles of LHCSR3 and STT7 in the remodeling of thylakoid supercomplexes in Chlamydomonas reinhardtii under UV-B treatment.The New phytologist · 2026Article
- Dynamic LHCI antenna and inter-photosystem spillover enable flexible light harvesting in Euglena gracilis.The Plant journal : for cell and molecular biology · 2026Article
- Cryo-EM structural analyses of chlorophyll b-enriched PSI-LHC and PSII-LHC supercomplexes of the siphonous green alga Bryopsis corticulans.Plant communications · 2026Article
- Molecular architecture for state transition: insights from structural biology and evolutionary trajectories.Plant & cell physiology · 2025Review
- From photoprotection to plasticity: transposon activation in the Chlamydomonas det1 mutant.The New phytologist · 2025Article
- Too dim, too bright, and just right: Systems analysis of the Chlamydomonas diurnal program under limiting and excess light.The Plant cell · 2025Article
- Light-independent pathway of STN7 kinase activation under low temperature stress in runner bean (Phaseolus coccineus L.).BMC plant biology · 2024Article
- Ultrafast energy quenching mechanism of LHCSR3-dependent photoprotection in Chlamydomonas.Nature communications · 2024Article
- The role of the pigment-protein complex LHCBM1 in nonphotochemical quenching in Chlamydomonas reinhardtii.Plant physiology · 2024Article
- High salt-induced PSI-supercomplex is associated with high CEF and attenuation of state transitions.Photosynthesis research · 2023Article
- Long- and short-term acclimation of the photosynthetic apparatus to salinity inFrontiers in plant science · 2023Article
- Plastoquinone pool redox state and control of state transitions in Chlamydomonas reinhardtii in darkness and under illumination.Photosynthesis research · 2023Article
- State transition is quiet around pyrenoid and LHCII phosphorylation is not essential for thylakoid deformation inProceedings of the National Academy of Sciences of the United States of America · 2022Article
- Oxidative modification of LHC II associated with photosystem II and PS I-LHC I-LHC II membranes.Photosynthesis research · 2022Article
- Structural basis of LhcbM5-mediated state transitions in green algae.Nature plants · 2021Article
- Light Harvesting in Fluctuating Environments: Evolution and Function of Antenna Proteins across Photosynthetic Lineage.Plants (Basel, Switzerland) · 2021Article
- Photosynthetic Light-Harvesting (Antenna) Complexes-Structures and Functions.Molecules (Basel, Switzerland) · 2021Review
- The key cyclic electron flow protein PGR5 associates with cytochrome bHorticulture research · 2021Article
- Structure of photosystem I-LHCI-LHCII from the green alga Chlamydomonas reinhardtii in State 2.Nature communications · 2021Article
- Lipid and protein dynamics of stacked and cation-depletion induced unstacked thylakoid membranes.BBA advances · 2021Article
47 more citing papers are in PubMed but not listed here.
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4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
State transition in photosynthesis is a short-term balancing mechanism of energy distribution between photosystem I (PSI) and photosystem II (PSII). When PSII is preferentially excited (state 2), a pool of mobile light-harvesting complex II (LHCII) antenna proteins is thought to migrate from PSII to PSI, but biochemical evidence for a physical association between LHCII proteins and PSI in state 2 is weak. Here, using the green alga Chlamydomonas reinhardtii, which has a high capacity for state transitions, we report the isolation of PSI-light-harvesting complex I (LHCI) super-complexes from cells locked into state 1 and state 2. We solubilized the thylakoid membranes with a mild detergent, separated the proteins by sucrose density gradient centrifugation, and subjected gradient fractions to gel-filtration chromatography. Three LHCII polypeptides were associated with a PSI-LHCI supercomplex only in state 2; we identified them as two minor monomeric LHCII proteins (CP26 and CP29) and one previously unreported major LHCII protein type II, or LhcbM5. These three LHCII proteins, in addition to the major trimeric LHCII proteins, were phosphorylated upon transition to state 2. The corresponding phylogenetic tree indicates that among the LHCII proteins associated with PSII, these three LHCII proteins are the most similar to the LHC proteins for PSI (LHCI). Our results are important because CP26, CP29, and LhcbM5, which have been viewed as belonging solely to the PSII complex, are now postulated to shuttle between PSI and PSII during state transitions, thereby acting as docking sites for the trimeric LHCII proteins in both PSI and PSII.
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