Nature Communications (Sep 2021)

Local auxin biosynthesis acts downstream of brassinosteroids to trigger root foraging for nitrogen

  • Zhongtao Jia,
  • Ricardo F. H. Giehl,
  • Nicolaus von Wirén

DOI
https://doi.org/10.1038/s41467-021-25250-x
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 12

Abstract

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Flowering plants elongate their lateral roots under mild nitrogen deficiency to enhance nutrient acquisition. Here the authors show that natural variation of this response depends on local auxin biosynthesis that acts downstream of brassinosteroids to determine lateral root extension.