Nature Communications (Jun 2018)

A phosphorylation switch turns a positive regulator of phototropism into an inhibitor of the process

  • Paolo Schumacher,
  • Emilie Demarsy,
  • Patrice Waridel,
  • Laure Allenbach Petrolati,
  • Martine Trevisan,
  • Christian Fankhauser

DOI
https://doi.org/10.1038/s41467-018-04752-1
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 9

Abstract

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Light conditions modify plant growth and development via photoreceptors such as phototropins. Here the authors show that while phot1 promotes phototropism under low light, it can act to suppress phototropism in high-light environments through phosphorylation of PKS4.