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The PIN auxin efflux facilitator network controls growth and patterning in Arabidopsis roots

Author

Listed:
  • Ikram Blilou

    (Utrecht University)

  • Jian Xu

    (Utrecht University)

  • Marjolein Wildwater

    (Utrecht University)

  • Viola Willemsen

    (Utrecht University)

  • Ivan Paponov

    (Institut für Biologie II , Universität Freiburg)

  • Jiří Friml

    (Zentrum für Molekularbiologie der Pflanzen, Universität Tübingen)

  • Renze Heidstra

    (Utrecht University)

  • Mitsuhiro Aida

    (Utrecht University)

  • Klaus Palme

    (Institut für Biologie II , Universität Freiburg)

  • Ben Scheres

    (Utrecht University)

Abstract

Local accumulation of the plant growth regulator auxin mediates pattern formation in Arabidopsis roots and influences outgrowth and development of lateral root- and shoot-derived primordia. However, it has remained unclear how auxin can simultaneously regulate patterning and organ outgrowth and how its distribution is stabilized in a primordium-specific manner. Here we show that five PIN genes collectively control auxin distribution to regulate cell division and cell expansion in the primary root. Furthermore, the joint action of these genes has an important role in pattern formation by focusing the auxin maximum and restricting the expression domain of PLETHORA (PLT) genes, major determinants for root stem cell specification. In turn, PLT genes are required for PIN gene transcription to stabilize the auxin maximum at the distal root tip. Our data reveal an interaction network of auxin transport facilitators and root fate determinants that control patterning and growth of the root primordium.

Suggested Citation

  • Ikram Blilou & Jian Xu & Marjolein Wildwater & Viola Willemsen & Ivan Paponov & Jiří Friml & Renze Heidstra & Mitsuhiro Aida & Klaus Palme & Ben Scheres, 2005. "The PIN auxin efflux facilitator network controls growth and patterning in Arabidopsis roots," Nature, Nature, vol. 433(7021), pages 39-44, January.
    • Handle: RePEc:nat:nature:v:433:y:2005:i:7021:d:10.1038_nature03184
    DOI: 10.1038/nature03184
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    Cited by:

    1. Adam Conn & Arjun Chandrasekhar & Martin van Rongen & Ottoline Leyser & Joanne Chory & Saket Navlakha, 2019. "Network trade-offs and homeostasis in Arabidopsis shoot architectures," PLOS Computational Biology, Public Library of Science, vol. 15(9), pages 1-19, September.
    2. Mitchell P Levesque & Teva Vernoux & Wolfgang Busch & Hongchang Cui & Jean Y Wang & Ikram Blilou & Hala Hassan & Keiji Nakajima & Noritaka Matsumoto & Jan U Lohmann & Ben Scheres & Philip N Benfey, 2006. "Whole-Genome Analysis of the SHORT-ROOT Developmental Pathway in Arabidopsis," PLOS Biology, Public Library of Science, vol. 4(5), pages 1-1, May.
    3. Abid Ali & Guy Kateta Malangisha & Haiyang Yang & Chen Li & Chi Wang & Yubin Yang & Ahmed Mahmoud & Jehanzeb Khan & Jinghua Yang & Zhongyuan Hu & Mingfang Zhang, 2021. "Strigolactone Alleviates Herbicide Toxicity via Maintaining Antioxidant Homeostasis in Watermelon ( Citrullus lanatus )," Agriculture, MDPI, vol. 11(5), pages 1-19, May.

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