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Structural basis of LhcbM5-mediated state transitions in green algae.

Pan X, Tokutsu R, Li A, Takizawa K, Song C, Murata K, Yamasaki T, Liu Z, Minagawa J, Li M
Nat Plants 7 1119-1131 (2021)
Related entries: 7dz7, 7dz8, 7e0i, 7e0j, 7e0k

Cited: 18 times
EuropePMC logo PMID: 34239095

Abstract

In green algae and plants, state transitions serve as a short-term light-acclimation process in the regulation of the light-harvesting capacity of photosystems I and II (PSI and PSII, respectively). During the process, a portion of light-harvesting complex II (LHCII) is phosphorylated, dissociated from PSII and binds with PSI to form the supercomplex PSI-LHCI-LHCII. Here, we report high-resolution structures of PSI-LHCI-LHCII from Chlamydomonas reinhardtii, revealing the mechanism of assembly between the PSI-LHCI complex and two phosphorylated LHCII trimers containing all four types of LhcbM protein. Two specific LhcbM isoforms, namely LhcbM1 and LhcbM5, directly interact with the PSI core through their phosphorylated amino terminal regions. Furthermore, biochemical and functional studies on mutant strains lacking either LhcbM1 or LhcbM5 indicate that only LhcbM5 is indispensable in supercomplex formation. The results unravel the specific interactions and potential excitation energy transfer routes between green algal PSI and two phosphorylated LHCIIs.

Reviews citing this publication (4)

  1. Structural Diversity of Photosystem I and Its Light-Harvesting System in Eukaryotic Algae and Plants. Bai T, Guo L, Xu M, Tian L. Front Plant Sci 12 781035 (2021)
  2. Dynamic Regulation of the Light-Harvesting System through State Transitions in Land Plants and Green Algae. Shang H, Li M, Pan X. Plants (Basel) 12 1173 (2023)
  3. Reversible protein phosphorylation in higher plants: focus on state transitions. Vetoshkina DV, Borisova-Mubarakshina MM. Biophys Rev 15 1079-1093 (2023)
  4. Diversity Among Cyanobacterial Photosystem I Oligomers. Chen M, Liu X, He Y, Li N, He J, Zhang Y. Front Microbiol 12 781826 (2021)

Articles citing this publication (14)

  1. Algal photosystem I dimer and high-resolution model of PSI-plastocyanin complex. Naschberger A, Mosebach L, Tobiasson V, Kuhlgert S, Scholz M, Perez-Boerema A, Ho TTH, Vidal-Meireles A, Takahashi Y, Hippler M, Amunts A. Nat Plants 8 1191-1201 (2022)
  2. Light Harvesting in Fluctuating Environments: Evolution and Function of Antenna Proteins across Photosynthetic Lineage. Bag P. Plants (Basel) 10 1184 (2021)
  3. Structure of Dunaliella photosystem II reveals conformational flexibility of stacked and unstacked supercomplexes. Caspy I, Fadeeva M, Mazor Y, Nelson N. Elife 12 e81150 (2023)
  4. Molecular oxidation-reduction junctions for artificial photosynthetic overall reaction. Zhang L, Li RH, Li XX, Liu J, Guan W, Dong LZ, Li SL, Lan YQ. Proc Natl Acad Sci U S A 119 e2210550119 (2022)
  5. Photosystem I light-harvesting proteins regulate photosynthetic electron transfer and hydrogen production. Ho TTH, Schwier C, Elman T, Fleuter V, Zinzius K, Scholz M, Yacoby I, Buchert F, Hippler M. Plant Physiol 189 329-343 (2022)
  6. The photosystem I supercomplex from a primordial green alga Ostreococcus tauri harbors three light-harvesting complex trimers. Ishii A, Shan J, Sheng X, Kim E, Watanabe A, Yokono M, Noda C, Song C, Murata K, Liu Z, Minagawa J. Elife 12 e84488 (2023)
  7. Structural insights into a unique PSI-LHCI-LHCII-Lhcb9 supercomplex from moss Physcomitrium patens. Zhang S, Tang K, Yan Q, Li X, Shen L, Wang W, He YK, Kuang T, Han G, Shen JR, Zhang X. Nat Plants 9 832-846 (2023)
  8. Structural insights into the assembly and energy transfer of the Lhcb9-dependent photosystem I from moss Physcomitrium patens. Sun H, Shang H, Pan X, Li M. Nat Plants 9 1347-1358 (2023)
  9. Uphill energy transfer mechanism for photosynthesis in an Antarctic alga. Kosugi M, Kawasaki M, Shibata Y, Hara K, Takaichi S, Moriya T, Adachi N, Kamei Y, Kashino Y, Kudoh S, Koike H, Senda T. Nat Commun 14 730 (2023)
  10. Macroscale structural changes of thylakoid architecture during high light acclimation in Chlamydomonas reinhardtii. Broderson M, Niyogi KK, Iwai M. Photosynth Res (2024)
  11. Palmelloid Formation and Cell Aggregation Are Essential Mechanisms for High Light Tolerance in a Natural Strain of Chlamydomonas reinhardtii. Suwannachuen N, Leetanasaksakul K, Roytrakul S, Phaonakrop N, Thaisakun S, Roongsattham P, Jantasuriyarat C, Sanevas N, Sirikhachornkit A. Int J Mol Sci 24 8374 (2023)
  12. Plastoquinone pool redox state and control of state transitions in Chlamydomonas reinhardtii in darkness and under illumination. Virtanen O, Tyystjärvi E. Photosynth Res 155 59-76 (2023)
  13. Remodeling of algal photosystem I through phosphorylation. Younas M, Scholz M, Marchetti GM, Hippler M. Biosci Rep 43 BSR20220369 (2023)
  14. State transition is quiet around pyrenoid and LHCII phosphorylation is not essential for thylakoid deformation in Chlamydomonas 137c. Zhang X, Fujita Y, Kaneda N, Tokutsu R, Ye S, Minagawa J, Shibata Y. Proc Natl Acad Sci U S A 119 e2122032119 (2022)


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