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Two chemically distinct root lignin barriers control solute and water balance

Authors
  • Reyt, Guilhem1
  • Ramakrishna, Priya1, 2
  • Salas-González, Isai3
  • Fujita, Satoshi4, 5
  • Love, Ashley6
  • Tiemessen, David6
  • Lapierre, Catherine7
  • Morreel, Kris8, 9
  • Calvo-Polanco, Monica10, 11
  • Flis, Paulina1
  • Geldner, Niko4
  • Boursiac, Yann10
  • Boerjan, Wout8, 9
  • George, Michael W.6, 12
  • Castrillo, Gabriel1
  • Salt, David E.1
  • 1 University of Nottingham, Sutton Bonington, UK , Sutton Bonington (United Kingdom)
  • 2 University of Geneva, Geneva, Switzerland , Geneva (Switzerland)
  • 3 University of North Carolina at Chapel Hill, Chapel Hill, NC, USA , Chapel Hill (United States)
  • 4 Biophore, University of Lausanne, Lausanne, Switzerland , Lausanne (Switzerland)
  • 5 National Institute of Genetics, Mishima, Shizuoka, Japan , Mishima (Japan)
  • 6 University of Nottingham, Nottingham, UK , Nottingham (United Kingdom)
  • 7 Université Paris-Saclay, Versailles, France , Versailles (France)
  • 8 Ghent University, Ghent, Belgium , Ghent (Belgium)
  • 9 Center for Plant Systems Biology, VIB, Ghent, Belgium , Ghent (Belgium)
  • 10 University of Montpellier, CNRS, INRAE, SupAgro, Montpellier, France , Montpellier (France)
  • 11 University of Salamanca, Salamanca, Spain , Salamanca (Spain)
  • 12 The University of Nottingham Ningbo China, Ningbo, China , Ningbo (China)
Type
Published Article
Journal
Nature Communications
Publisher
Springer Nature
Publication Date
Apr 19, 2021
Volume
12
Issue
1
Identifiers
DOI: 10.1038/s41467-021-22550-0
Source
Springer Nature
License
Green

Abstract

Defects in the Casparian strip, a fine band of lignin that seals root endodermal cells and plays roles in nutrient homeostasis, activate a signaling pathway leading to over-lignification. Here, the authors show that this process leads to the deposition of compensatory lignin that is chemically distinct from Casparian strip lignin.

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