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Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis

Author

Listed:
  • Yi Zhang

    (Max-Planck Institute for Molecular Plant Physiology)

  • Nino Nikolovski

    (University of Cambridge)

  • Mathias Sorieul

    (University of Cambridge)

  • Tamara Vellosillo

    (Energy Biosciences Institute, University of California)

  • Heather E. McFarlane

    (School of Biosciences, University of Melbourne)

  • Ray Dupree

    (University of Warwick)

  • Christopher Kesten

    (School of Biosciences, University of Melbourne)

  • René Schneider

    (School of Biosciences, University of Melbourne)

  • Carlos Driemeier

    (Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM))

  • Rahul Lathe

    (Max-Planck Institute for Molecular Plant Physiology)

  • Edwin Lampugnani

    (School of Biosciences, University of Melbourne
    ARC Centre of Excellence in Plant Cell Walls, School of Biosciences, University of Melbourne)

  • Xiaolan Yu

    (University of Cambridge)

  • Alexander Ivakov

    (School of Biosciences, University of Melbourne)

  • Monika S. Doblin

    (School of Biosciences, University of Melbourne
    ARC Centre of Excellence in Plant Cell Walls, School of Biosciences, University of Melbourne)

  • Jenny C. Mortimer

    (University of Cambridge)

  • Steven P. Brown

    (University of Warwick)

  • Staffan Persson

    (Max-Planck Institute for Molecular Plant Physiology
    School of Biosciences, University of Melbourne
    ARC Centre of Excellence in Plant Cell Walls, School of Biosciences, University of Melbourne)

  • Paul Dupree

    (University of Cambridge)

Abstract

As the most abundant biopolymer on Earth, cellulose is a key structural component of the plant cell wall. Cellulose is produced at the plasma membrane by cellulose synthase (CesA) complexes (CSCs), which are assembled in the endomembrane system and trafficked to the plasma membrane. While several proteins that affect CesA activity have been identified, components that regulate CSC assembly and trafficking remain unknown. Here we show that STELLO1 and 2 are Golgi-localized proteins that can interact with CesAs and control cellulose quantity. In the absence of STELLO function, the spatial distribution within the Golgi, secretion and activity of the CSCs are impaired indicating a central role of the STELLO proteins in CSC assembly. Point mutations in the predicted catalytic domains of the STELLO proteins indicate that they are glycosyltransferases facing the Golgi lumen. Hence, we have uncovered proteins that regulate CSC assembly in the plant Golgi apparatus.

Suggested Citation

  • Yi Zhang & Nino Nikolovski & Mathias Sorieul & Tamara Vellosillo & Heather E. McFarlane & Ray Dupree & Christopher Kesten & René Schneider & Carlos Driemeier & Rahul Lathe & Edwin Lampugnani & Xiaolan, 2016. "Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis," Nature Communications, Nature, vol. 7(1), pages 1-14, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11656
    DOI: 10.1038/ncomms11656
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    Cited by:

    1. Lu Liu & Ting Wang & Yifan Bai & Pengcheng Yan & Liufeng Dai & Pingzhou Du & Staffan Persson & Yi Zhang, 2023. "Actomyosin and CSI1/POM2 cooperate to deliver cellulose synthase from Golgi to cortical microtubules in Arabidopsis," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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