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Hormonal control of the shoot stem-cell niche

Author

Listed:
  • Zhong Zhao

    (University of Heidelberg
    Max Planck Institute for Developmental Biology)

  • Stig U. Andersen

    (Max Planck Institute for Developmental Biology
    Present address: Department of Molecular Biology, University of Aarhus, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark.)

  • Karin Ljung

    (Umeå Plant Science Centre, Swedish University of Agricultural Sciences)

  • Karel Dolezal

    (Umeå Plant Science Centre, Swedish University of Agricultural Sciences
    Laboratory of Growth Regulators, Palacký University and Institute of Experimental Botany Academy of Sciences of the Czech Republic)

  • Andrej Miotk

    (University of Heidelberg
    Max Planck Institute for Developmental Biology)

  • Sebastian J. Schultheiss

    (Max Planck Institute for Developmental Biology
    Machine Learning in Biology, Friedrich Miescher Laboratory of the Max Planck Society)

  • Jan U. Lohmann

    (University of Heidelberg
    Max Planck Institute for Developmental Biology)

Abstract

Control of shoot stem cells Plants continuously maintain stem cells in their apical meristems from which shoot and root systems are produced. In the classic plant model Arabidopsis thaliana, stem-cell fate in the shoot apical meristem is controlled by hormones such as auxin and cytokinin. A study of the cross-talk between these hormones now shows that two A-type ARABIDOPSIS RESPONSE REGULATOR genes integrate cytokinin and auxin signals and connect these inputs with the core regulatory machinery in the shoot apical meristem. This work suggests a mechanistic framework for the synergistic activity of auxin and cytokinin in setting up the shoot stem-cell niche, and highlights differences between the responses of root and shoot stem-cell systems to phytohormones.

Suggested Citation

  • Zhong Zhao & Stig U. Andersen & Karin Ljung & Karel Dolezal & Andrej Miotk & Sebastian J. Schultheiss & Jan U. Lohmann, 2010. "Hormonal control of the shoot stem-cell niche," Nature, Nature, vol. 465(7301), pages 1089-1092, June.
    • Handle: RePEc:nat:nature:v:465:y:2010:i:7301:d:10.1038_nature09126
    DOI: 10.1038/nature09126
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    Cited by:

    1. Jian Zeng & Xin’Ai Zhao & Zhe Liang & Inés Hidalgo & Michael Gebert & Pengfei Fan & Christian Wenzl & Sebastian G. Gornik & Jan U. Lohmann, 2023. "Nitric oxide controls shoot meristem activity via regulation of DNA methylation," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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