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A flagellin-induced complex of the receptor FLS2 and BAK1 initiates plant defence

Author

Listed:
  • Delphine Chinchilla

    (Zurich-Basel Plant Science Center, Botanical Institute, University of Basel, Hebelstrasse 1, 4056 Basel, Switzerland)

  • Cyril Zipfel

    (Zurich-Basel Plant Science Center, Botanical Institute, University of Basel, Hebelstrasse 1, 4056 Basel, Switzerland
    The Sainsbury Laboratory, Colney Lane, Norwich, Norfolk NR4 7UH, UK)

  • Silke Robatzek

    (Zurich-Basel Plant Science Center, Botanical Institute, University of Basel, Hebelstrasse 1, 4056 Basel, Switzerland
    Max-Planck-Institute for Plant Breeding Research, Carl-von-Linné Weg 10, 50829 Cologne, Germany)

  • Birgit Kemmerling

    (Institute of Plant Biochemistry, ZMBP, University of Tuebingen, 72076 Tuebingen, Germany)

  • Thorsten Nürnberger

    (Institute of Plant Biochemistry, ZMBP, University of Tuebingen, 72076 Tuebingen, Germany)

  • Jonathan D. G. Jones

    (The Sainsbury Laboratory, Colney Lane, Norwich, Norfolk NR4 7UH, UK)

  • Georg Felix

    (Zurich-Basel Plant Science Center, Botanical Institute, University of Basel, Hebelstrasse 1, 4056 Basel, Switzerland
    Institute of Plant Biochemistry, ZMBP, University of Tuebingen, 72076 Tuebingen, Germany)

  • Thomas Boller

    (Zurich-Basel Plant Science Center, Botanical Institute, University of Basel, Hebelstrasse 1, 4056 Basel, Switzerland)

Abstract

BAK1 door to plant immunity Plants contain various steroids and sterols with structures similar to those of steroid hormones in animals, and after painstaking research the brassinosteroids have become generally accepted as essential plant hormones. A key part of the pathway is the recognition of brassinosteroids by the BRI1 receptor and its co-receptor BAK1. But the news that BAK1 has an entirely unexpected, different function could complicate matters. BAK1 has been found to specifically associate with the innate immunity receptor FLS2 when this receptor is stimulated by its known ligand, flagellin. The innate immunity response is much weakened in Arabidopsis mutated in the bak1 gene. BAK1 therefore appears to have a dual role in development and innate immunity — as is the case for the well-known TOLL receptor in Drosophila.

Suggested Citation

  • Delphine Chinchilla & Cyril Zipfel & Silke Robatzek & Birgit Kemmerling & Thorsten Nürnberger & Jonathan D. G. Jones & Georg Felix & Thomas Boller, 2007. "A flagellin-induced complex of the receptor FLS2 and BAK1 initiates plant defence," Nature, Nature, vol. 448(7152), pages 497-500, July.
    • Handle: RePEc:nat:nature:v:448:y:2007:i:7152:d:10.1038_nature05999
    DOI: 10.1038/nature05999
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    Cited by:

    1. Jiaojiao Bai & Yuanyuan Zhou & Jianhang Sun & Kexin Chen & Yufang Han & Ranran Wang & Yanmin Zou & Mingshuo Du & Dongping Lu, 2023. "BIK1 protein homeostasis is maintained by the interplay of different ubiquitin ligases in immune signaling," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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