Plant MAPK cascades: Just rapid signaling modules?

Marie Boudsocq, Agyemang Danquah, Axel de Zélicourt, Heribert Hirt, Jean Colcombet

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Abscisic acid (ABA) is a major phytohormone mediating important stress-related processes. We recently unveiled an ABA-activated MAPK signaling module constituted of MAP3K17/18-MKK3-MPK1/2/7/14. Unlike classical rapid MAPK activation, we showed that the activation of the new MAPK module is delayed and relies on the MAP3K protein synthesis. In this addendum, we discuss the role of this original and unexpected activation mechanism of MAPK cascades which suggests that MAPKs can regulate both early and longterm plant stress responses.

Original languageEnglish
JournalPlant Signaling and Behavior
Volume10
Issue number9
DOIs
Publication statusPublished - 2015

Keywords

  • ABA signaling
  • Abscisic acid
  • Delayed signaling
  • Mitogen-activated protein kinase
  • Protein synthesis

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