Nature Communications (Feb 2020)

A phosphorylation-based switch controls TAA1-mediated auxin biosynthesis in plants

  • Qian Wang,
  • Guochen Qin,
  • Min Cao,
  • Rong Chen,
  • Yuming He,
  • Liyuan Yang,
  • Zhejun Zeng,
  • Yongqiang Yu,
  • Yangtao Gu,
  • Weiman Xing,
  • W. Andy Tao,
  • Tongda Xu

DOI
https://doi.org/10.1038/s41467-020-14395-w
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 10

Abstract

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Precise regulation of auxin concentration via transport and metabolism determines the developmental fate of plant tissues. Here the authors show that local auxin biosynthesis is regulated by TMK4-dependent phosphorylation of the TAA1 enzyme and that this is required for proper root development.