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SLAC1 is required for plant guard cell S-type anion channel function in stomatal signalling

Author

Listed:
  • Triin Vahisalu

    (Plant Biology, University of Helsinki
    Institute of Ecology and Earth Sciences, University of Tartu)

  • Hannes Kollist

    (Plant Biology, University of Helsinki
    Institute of Technology, University of Tartu)

  • Yong-Fei Wang

    (Cell and Developmental Biology Section, University of California San Diego, La Jolla, California 92093-0116, USA)

  • Noriyuki Nishimura

    (Cell and Developmental Biology Section, University of California San Diego, La Jolla, California 92093-0116, USA)

  • Wai-Yin Chan

    (Cell and Developmental Biology Section, University of California San Diego, La Jolla, California 92093-0116, USA)

  • Gabriel Valerio

    (Cell and Developmental Biology Section, University of California San Diego, La Jolla, California 92093-0116, USA)

  • Airi Lamminmäki

    (Plant Biology, University of Helsinki)

  • Mikael Brosché

    (Plant Biology, University of Helsinki)

  • Heino Moldau

    (Institute of Technology, University of Tartu)

  • Radhika Desikan

    (Centre for Research in Plant Science, University of the West of England
    Present address: Division of Biology, Imperial College London, London SW7 2AZ, UK.)

  • Julian I. Schroeder

    (Cell and Developmental Biology Section, University of California San Diego, La Jolla, California 92093-0116, USA)

  • Jaakko Kangasjärvi

    (Plant Biology, University of Helsinki)

Abstract

A stomatal ion channel The stomata on the undersides of leaves control the exchange of carbon dioxide and water between plants and the atmosphere. Stomatal pore aperture is regulated by transport of ions and metabolites across guard-cell membranes. Perhaps surprisingly, until now no plant plasma membrane anion channel subunits have been cloned — and the homologues of animal anion channels have been shown not to encode functional ion channels in plants. Now two groups working independently have identified a protein that is an essential component for S-type anion channel function and is required for stomatal closure in response to a variety of physiological and stress stimuli. Termed SLAC1, it is a distant homologue of fungal and bacterial dicarboxylate/malic acid transport proteins.

Suggested Citation

  • Triin Vahisalu & Hannes Kollist & Yong-Fei Wang & Noriyuki Nishimura & Wai-Yin Chan & Gabriel Valerio & Airi Lamminmäki & Mikael Brosché & Heino Moldau & Radhika Desikan & Julian I. Schroeder & Jaakko, 2008. "SLAC1 is required for plant guard cell S-type anion channel function in stomatal signalling," Nature, Nature, vol. 452(7186), pages 487-491, March.
    • Handle: RePEc:nat:nature:v:452:y:2008:i:7186:d:10.1038_nature06608
    DOI: 10.1038/nature06608
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    Cited by:

    1. Yawen Li & Yinan Ding & Lili Qu & Xinru Li & Qinxuan Lai & Pingxia Zhao & Yongxiang Gao & Chengbin Xiang & Chunlei Cang & Xin Liu & Linfeng Sun, 2022. "Structure of the Arabidopsis guard cell anion channel SLAC1 suggests activation mechanism by phosphorylation," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Yuri Aratani & Takuya Uemura & Takuma Hagihara & Kenji Matsui & Masatsugu Toyota, 2023. "Green leaf volatile sensory calcium transduction in Arabidopsis," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    3. Yeongmok Lee & Hyeon Seong Jeong & Seoyeon Jung & Junmo Hwang & Chi Truc Han Le & Sung-Hoon Jun & Eun Jo Du & KyeongJin Kang & Beom-Gi Kim & Hyun-Ho Lim & Sangho Lee, 2023. "Cryo-EM structures of the plant anion channel SLAC1 from Arabidopsis thaliana suggest a combined activation model," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    4. Sidney Vasconcelos do Nascimento & Héctor Herrera & Paulo Henrique de Oliveira Costa & Felipe Costa Trindade & Isa Rebecca Chagas da Costa & Cecílio Frois Caldeira & Markus Gastauer & Silvio Junio Ram, 2022. "Molecular Mechanisms Underlying Mimosa acutistipula Success in Amazonian Rehabilitating Minelands," IJERPH, MDPI, vol. 19(21), pages 1-14, November.

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