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Auxin inhibits endocytosis and promotes its own efflux from cells

Author

Listed:
  • Tomasz Paciorek

    (Universität Tübingen)

  • Eva Zažímalová

    (ASCR)

  • Nadia Ruthardt

    (RWTH Aachen University, Biology VII)

  • Jan Petrášek

    (ASCR)

  • York-Dieter Stierhof

    (Universität Tübingen)

  • Jürgen Kleine-Vehn

    (Universität Tübingen)

  • David A. Morris

    (ASCR
    University of Southampton)

  • Neil Emans

    (RWTH Aachen University, Biology VII)

  • Gerd Jürgens

    (Universität Tübingen)

  • Niko Geldner

    (Universität Tübingen)

  • Jir̆í Friml

    (Universität Tübingen)

Abstract

How auxin calls the shoots For years it has been assumed that auxin, the ubiquitous regulator of plant development, controls plant growth by influencing gene expression. The discovery that auxin inhibits endocytosis, a protein recycling process associated with signalling molecules in other systems, suggests that auxin instead uses an as yet uncharacterized signal transduction pathway. By inhibiting endocytosis, auxin increases the amount of certain proteins, including PIN auxin efflux regulators, at the cell surface. Auxin also promotes its own efflux via a vesicle trafficking-dependent mechanism.

Suggested Citation

  • Tomasz Paciorek & Eva Zažímalová & Nadia Ruthardt & Jan Petrášek & York-Dieter Stierhof & Jürgen Kleine-Vehn & David A. Morris & Neil Emans & Gerd Jürgens & Niko Geldner & Jir̆í Friml, 2005. "Auxin inhibits endocytosis and promotes its own efflux from cells," Nature, Nature, vol. 435(7046), pages 1251-1256, June.
    • Handle: RePEc:nat:nature:v:435:y:2005:i:7046:d:10.1038_nature03633
    DOI: 10.1038/nature03633
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    Cited by:

    1. Christian Luschnig & Jiří Friml, 2024. "Over 25 years of decrypting PIN-mediated plant development," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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