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A novel protein family mediates Casparian strip formation in the endodermis

Author

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  • Daniele Roppolo

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

  • Bert De Rybel

    (Ghent University, Technologiepark 927, 9052 Ghent, Belgium
    Present address: Wageningen University, Laboratory of Biochemistry, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands.)

  • Valérie Dénervaud Tendon

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

  • Alexandre Pfister

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

  • Julien Alassimone

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

  • Joop E. M. Vermeer

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

  • Misako Yamazaki

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

  • York-Dieter Stierhof

    (ZMBP, Mikroskopie, Universität Tübingen, Auf der Morgenstelle 5, 72076 Tübingen, Germany)

  • Tom Beeckman

    (Ghent University, Technologiepark 927, 9052 Ghent, Belgium)

  • Niko Geldner

    (Biophore, UNIL-Sorge, University of Lausanne, 1015 Lausanne, Switzerland)

Abstract

Cell wall structures in the plant root In plants, the endodermis is a root cell layer that separates outer from inner cell layers by virtue of the Casparian strips, hydrophobic modifications of the cell wall first noted by Robert Caspary in 1865. This region forms a network between cells within the layer to seal the extracellular space and thus functions like the tight junctions that provide seals between adjacent animal epithelial cells. In spite of their importance in nutrient uptake, little is known about the molecular factors that determine the formation and precise localization of Casparian strips. Roppolo et al. have now identified a novel family of transmembrane proteins called CASPs (Casparian strip membrane domain proteins) forming a ring-like domain within the endodermal plasma membrane that determines the position and structure of Casparian strips.

Suggested Citation

  • Daniele Roppolo & Bert De Rybel & Valérie Dénervaud Tendon & Alexandre Pfister & Julien Alassimone & Joop E. M. Vermeer & Misako Yamazaki & York-Dieter Stierhof & Tom Beeckman & Niko Geldner, 2011. "A novel protein family mediates Casparian strip formation in the endodermis," Nature, Nature, vol. 473(7347), pages 380-383, May.
    • Handle: RePEc:nat:nature:v:473:y:2011:i:7347:d:10.1038_nature10070
    DOI: 10.1038/nature10070
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    Cited by:

    1. Inês Catarina Ramos Barbosa & Damien De Bellis & Isabelle Flückiger & Etienne Bellani & Mathieu Grangé-Guerment & Kian Hématy & Niko Geldner, 2023. "Directed growth and fusion of membrane-wall microdomains requires CASP-mediated inhibition and displacement of secretory foci," Nature Communications, Nature, vol. 14(1), pages 1-18, December.
    2. Damien De Bellis & Lothar Kalmbach & Peter Marhavy & Jean Daraspe & Niko Geldner & Marie Barberon, 2022. "Extracellular vesiculo-tubular structures associated with suberin deposition in plant cell walls," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. Yanyan Wang & Yibo Cao & Xiaoyan Liang & Junhong Zhuang & Xiangfeng Wang & Feng Qin & Caifu Jiang, 2022. "A dirigent family protein confers variation of Casparian strip thickness and salt tolerance in maize," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
    4. Zahra Zahra & Zunaira Habib & Hyeseung Hyun & Hafiz Muhammad Aamir Shahzad, 2022. "Overview on Recent Developments in the Design, Application, and Impacts of Nanofertilizers in Agriculture," Sustainability, MDPI, vol. 14(15), pages 1-19, August.

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