Plant Osmotic Stress Signaling: MAPKKKs Meet SnRK2s

Osmotic stress signaling in higher plants is crucial to cope with abiotic stress. RAF-like MAPKKKs are activated by hyperosmotic stress and activate downstream ABA-unresponsive and ABA-activated SnRK2s, integrating early osmotic stress and ABA signaling cascades. The connection of B2/B3/B4 RAF-like...

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Veröffentlicht in:	Trends in plant science 2020-12, Vol.25 (12), p.1179-1182
Hauptverfasser:	Lozano-Juste, Jorge, Alrefaei, Abdulwahed F., Rodriguez, Pedro L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Abscisic Acid Arabidopsis - genetics Arabidopsis - metabolism Arabidopsis Proteins - genetics Arabidopsis Proteins - metabolism Gene Expression Regulation, Plant MAP Kinase Kinase Kinases MAPKKKs Osmosis Osmotic Pressure Osmotic stress Phosphorylation Protein-Serine-Threonine Kinases - genetics Protein-Serine-Threonine Kinases - metabolism RAF kinases Raf protein Signal Transduction Signaling SnRK2s
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Beschreibung
Zusammenfassung:	Osmotic stress signaling in higher plants is crucial to cope with abiotic stress. RAF-like MAPKKKs are activated by hyperosmotic stress and activate downstream ABA-unresponsive and ABA-activated SnRK2s, integrating early osmotic stress and ABA signaling cascades. The connection of B2/B3/B4 RAF-like MAPKKKs with SnRK2s is a new paradigm in signal transduction.
ISSN:	1360-1385 1878-4372
DOI:	10.1016/j.tplants.2020.09.003