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Identification of a mechanism of photoprotective energy dissipation in higher plants

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  • Alexander V. Ruban

    (School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London E1 4NS, UK)

  • Rudi Berera

    (Faculty of Sciences, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands)

  • Cristian Ilioaia

    (Commissariat à l'Energie Atomique (CEA), Institut de Biologie et Technologies de Saclay (iBiTecS) and Centre National de la Recherche Scientifique (CNRS), Gif-sur-Yvette, F-91191, France
    University of Sheffield, Western Bank, Sheffield S10 2TN, UK)

  • Ivo H. M. van Stokkum

    (Faculty of Sciences, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands)

  • John T. M. Kennis

    (Faculty of Sciences, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands)

  • Andrew A. Pascal

    (Commissariat à l'Energie Atomique (CEA), Institut de Biologie et Technologies de Saclay (iBiTecS) and Centre National de la Recherche Scientifique (CNRS), Gif-sur-Yvette, F-91191, France)

  • Herbert van Amerongen

    (Laboratory of Biophysics, Wageningen University, PO Box 8128, 6700 ET, Wageningen, The Netherlands)

  • Bruno Robert

    (Commissariat à l'Energie Atomique (CEA), Institut de Biologie et Technologies de Saclay (iBiTecS) and Centre National de la Recherche Scientifique (CNRS), Gif-sur-Yvette, F-91191, France)

  • Peter Horton

    (University of Sheffield, Western Bank, Sheffield S10 2TN, UK)

  • Rienk van Grondelle

    (Faculty of Sciences, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands)

Abstract

Plants feel the heat Plants need sunlight if they are to grow, but must also protect themselves from severe damage, such as bleaching, when the light is too bright. To do this the light-harvesting antennae in the chloroplasts rapidly switch into a photoprotected quenched state in the presence of excess light. Potentially harmful absorbed energy is then lost as heat. The mechanism of this energy dissipation process has been studied using resonance Raman spectroscopy in intact chloroplast membranes and whole leaves. LHCII, the main light-harvesting complex of green plants, is shown to switch between conformational states under different environmental conditions. The properties of the various forms of LHCII dictate energy flow, controlling the balance between gathering light energy for photosynthesis and its dissipation as heat.

Suggested Citation

  • Alexander V. Ruban & Rudi Berera & Cristian Ilioaia & Ivo H. M. van Stokkum & John T. M. Kennis & Andrew A. Pascal & Herbert van Amerongen & Bruno Robert & Peter Horton & Rienk van Grondelle, 2007. "Identification of a mechanism of photoprotective energy dissipation in higher plants," Nature, Nature, vol. 450(7169), pages 575-578, November.
    • Handle: RePEc:nat:nature:v:450:y:2007:i:7169:d:10.1038_nature06262
    DOI: 10.1038/nature06262
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    Cited by:

    1. 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.
    2. Mengyuan Zheng & Xiaojie Pang & Ming Chen & Lijin Tian, 2024. "Ultrafast energy quenching mechanism of LHCSR3-dependent photoprotection in Chlamydomonas," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Antonio Molino & Sanjeet Mehariya & Despina Karatza & Simeone Chianese & Angela Iovine & Patrizia Casella & Tiziana Marino & Dino Musmarra, 2019. "Bench-Scale Cultivation of Microalgae Scenedesmus almeriensis for CO 2 Capture and Lutein Production," Energies, MDPI, vol. 12(14), pages 1-14, July.
    4. Volha U. Chukhutsina & James M. Baxter & Alisia Fadini & Rhodri M. Morgan & Matthew A. Pope & Karim Maghlaoui & Christian M. Orr & Armin Wagner & Jasper J. Thor, 2022. "Light activation of Orange Carotenoid Protein reveals bicycle-pedal single-bond isomerization," Nature Communications, Nature, vol. 13(1), pages 1-14, December.

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