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SYNERGISTIC ON AUXIN AND CYTOKININ 1 positively regulates growth and attenuates soil pathogen resistance

Author

Listed:
  • Andrej Hurný

    (Institute of Science and Technology)

  • Candela Cuesta

    (Institute of Science and Technology
    Departamento de Biología de Organismos y Sistemas, Universidad de Oviedo)

  • Nicola Cavallari

    (Institute of Science and Technology)

  • Krisztina Ötvös

    (Institute of Science and Technology
    Bioresources Unit, Center for Health & Bioresources, AIT Austrian Institute of Technology)

  • Jerome Duclercq

    (Université du Picardie Jules Verne, UFR des Sciences)

  • Ladislav Dokládal

    (The Czech Academy of Sciences
    Masaryk University)

  • Juan Carlos Montesinos

    (Institute of Science and Technology)

  • Marçal Gallemí

    (Institute of Science and Technology)

  • Hana Semerádová

    (Institute of Science and Technology)

  • Thomas Rauter

    (Institute of Science and Technology
    Medical University of Graz)

  • Irene Stenzel

    (Martin-Luther-University Halle-Wittenberg)

  • Geert Persiau

    (Ghent University
    VIB Center for Plant Systems Biology)

  • Freia Benade

    (Technische Universität Dresden)

  • Rishikesh Bhalearo

    (Swedish University of Agricultural Sciences)

  • Eva Sýkorová

    (The Czech Academy of Sciences)

  • András Gorzsás

    (Umeå University)

  • Julien Sechet

    (AgroParisTech, Université Paris-Saclay)

  • Gregory Mouille

    (AgroParisTech, Université Paris-Saclay)

  • Ingo Heilmann

    (Martin-Luther-University Halle-Wittenberg)

  • Geert Jaeger

    (Ghent University
    VIB Center for Plant Systems Biology)

  • Jutta Ludwig-Müller

    (Technische Universität Dresden)

  • Eva Benková

    (Institute of Science and Technology)

Abstract

Plants as non-mobile organisms constantly integrate varying environmental signals to flexibly adapt their growth and development. Local fluctuations in water and nutrient availability, sudden changes in temperature or other abiotic and biotic stresses can trigger changes in the growth of plant organs. Multiple mutually interconnected hormonal signaling cascades act as essential endogenous translators of these exogenous signals in the adaptive responses of plants. Although the molecular backbones of hormone transduction pathways have been identified, the mechanisms underlying their interactions are largely unknown. Here, using genome wide transcriptome profiling we identify an auxin and cytokinin cross-talk component; SYNERGISTIC ON AUXIN AND CYTOKININ 1 (SYAC1), whose expression in roots is strictly dependent on both of these hormonal pathways. We show that SYAC1 is a regulator of secretory pathway, whose enhanced activity interferes with deposition of cell wall components and can fine-tune organ growth and sensitivity to soil pathogens.

Suggested Citation

  • Andrej Hurný & Candela Cuesta & Nicola Cavallari & Krisztina Ötvös & Jerome Duclercq & Ladislav Dokládal & Juan Carlos Montesinos & Marçal Gallemí & Hana Semerádová & Thomas Rauter & Irene Stenzel & G, 2020. "SYNERGISTIC ON AUXIN AND CYTOKININ 1 positively regulates growth and attenuates soil pathogen resistance," Nature Communications, Nature, vol. 11(1), pages 1-17, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-15895-5
    DOI: 10.1038/s41467-020-15895-5
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