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Kinetics of the xanthophyll cycle and its role in photoprotective memory and response

Author

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  • Audrey Short

    (University of California
    Molecular Biophysics and Integrated Bioimaging Division Lawrence Berkeley National Laboratory
    Kavli Energy Nanoscience Institute)

  • Thomas P. Fay

    (University of California Berkeley)

  • Thien Crisanto

    (Molecular Biophysics and Integrated Bioimaging Division Lawrence Berkeley National Laboratory
    University of California
    University of California)

  • Ratul Mangal

    (University of California Berkeley)

  • Krishna K. Niyogi

    (Molecular Biophysics and Integrated Bioimaging Division Lawrence Berkeley National Laboratory
    University of California
    University of California)

  • David T. Limmer

    (Kavli Energy Nanoscience Institute
    University of California Berkeley
    Chemical Science Division Lawrence Berkeley National Laboratory
    Material Science Division Lawrence Berkeley National Laboratory)

  • Graham R. Fleming

    (University of California
    Molecular Biophysics and Integrated Bioimaging Division Lawrence Berkeley National Laboratory
    Kavli Energy Nanoscience Institute
    University of California Berkeley)

Abstract

Efficiently balancing photochemistry and photoprotection is crucial for survival and productivity of photosynthetic organisms in the rapidly fluctuating light levels found in natural environments. The ability to respond quickly to sudden changes in light level is clearly advantageous. In the alga Nannochloropsis oceanica we observed an ability to respond rapidly to sudden increases in light level which occur soon after a previous high-light exposure. This ability implies a kind of memory. In this work, we explore the xanthophyll cycle in N. oceanica as a short-term photoprotective memory system. By combining snapshot fluorescence lifetime measurements with a biochemistry-based quantitative model, we show that short-term memory arises from the xanthophyll cycle. In addition, the model enables us to characterize the relative quenching abilities of the three xanthophyll cycle components. Given the ubiquity of the xanthophyll cycle in photosynthetic organisms the model described here will be of utility in improving our understanding of vascular plant and algal photoprotection with important implications for crop productivity.

Suggested Citation

  • Audrey Short & Thomas P. Fay & Thien Crisanto & Ratul Mangal & Krishna K. Niyogi & David T. Limmer & Graham R. Fleming, 2023. "Kinetics of the xanthophyll cycle and its role in photoprotective memory and response," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42281-8
    DOI: 10.1038/s41467-023-42281-8
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    References listed on IDEAS

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    1. Lorenzo Cupellini & Dario Calvani & Denis Jacquemin & Benedetta Mennucci, 2020. "Charge transfer from the carotenoid can quench chlorophyll excitation in antenna complexes of plants," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    2. Jochen M. Buck & Jonathan Sherman & Carolina Río Bártulos & Manuel Serif & Marc Halder & Jan Henkel & Angela Falciatore & Johann Lavaud & Maxim Y. Gorbunov & Peter G. Kroth & Paul G. Falkowski & Berna, 2019. "Lhcx proteins provide photoprotection via thermal dissipation of absorbed light in the diatom Phaeodactylum tricornutum," Nature Communications, Nature, vol. 10(1), pages 1-12, December.
    3. Edoardo Cignoni & Margherita Lapillo & Lorenzo Cupellini & Silvia Acosta-Gutiérrez & Francesco Luigi Gervasio & Benedetta Mennucci, 2021. "A different perspective for nonphotochemical quenching in plant antenna complexes," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
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