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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...