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Université de Fribourg

Protein phosphatase AP2C1 negatively regulates basal resistance and defense responses to Pseudomonas syringae

Shubchynskyy, Volodymyr ; Boniecka, Justyna ; Schweighofer, Alois ; Simulis, Justinas ; Kvederaviciute, Kotryna ; Stumpe, Michael ; Mauch, Felix ; Balazadeh, Salma ; Mueller-Roeber, Bernd ; Boutrot, Freddy ; Zipfel, Cyril ; Meskiene, Irute

In: Journal of Experimental Botany, 2017, p. -

Mitogen-activated protein kinases (MAPKs) mediate plant immune responses to pathogenic bacteria. However, less is known about the cell autonomous negative regulatory mechanism controlling basal plant immunity. We report the biological role of Arabidopsis thaliana MAPK phosphatase AP2C1 as a negative regulator of plant basal resistance and defense responses to Pseudomonas syringae. AP2C2, a...

Université de Fribourg

The PP2C-type phosphatase AP2C1, which negatively regulates MPK4 and MPK6, modulates innate immunity, jasmonic acid, and ethylene levels in Arabidopsis

Schweighofer, Alois ; Kazanaviciute, Vaiva ; Scheikl, Elisabeth ; Teige, Markus ; Doczi, Robert ; Hirt, Heribert ; Schwanninger, Manfred ; Kant, Merijn ; Schuurink, Robert ; Mauch, Felix ; Buchala, Antony ; Cardinale, Francesca ; Meskiene, Irute

In: The Plant Cell, 2007, vol. 19, no. 7, p. 2213-2224

Wound signaling pathways in plants are mediated by mitogen-activated protein kinases (MAPKs) and stress hormones, such as ethylene and jasmonates. In Arabidopsis thaliana, the transmission of wound signals by MAPKs has been the subject of detailed investigations; however, the involvement of specific phosphatases in wound signaling is not known. Here, we show that AP2C1, an...

2 results 1