Journal
TRENDS IN PLANT SCIENCE
Volume 21, Issue 8, Pages 677-685Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2016.04.004
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Funding
- Institut National de la Recherche Agronomique (INRA)
- Centre National de Recherche Scientifique (CNRS)
- Universite Evry Val d'Essonne (UEVE)
- King Abdullah University of Science and Technology (KAUST)
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To respond to abiotic stresses, plants have developed specific mechanisms that allow them to rapidly perceive and respond to environmental changes. The phytohormone abscisic acid (ABA) was shown to be a pivotal regulator of abiotic stress responses in plants, triggering major changes in plant physiology. The ABA core signaling pathway largely relies on the activation of SnRK2 kinases to mediate several rapid responses, including gene regulation, stomata! closure, and plant growth modulation. Mitogen-activated protein kinases (MAPKs) have also been implicated in ABA signaling, but an entire ABA-activated MAPK module was uncovered only recently. In this review, we discuss the evidence for a role of MAPK modules in the context of different plant ABA signaling pathways.
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