Phytosulfokine signalling blocks mycotoxin toxicity in Arabidopsis and mediates suppression of cell death activated by bacterial microbe-associated molecular patterns.

Abstract excerpt

Fumonisin B1 (FB1) is a mycotoxin that disrupts ceramide biosynthesis and kills plants. Prior activation with bacterial microbe-associated molecular patterns (MAMPs), such as components of bacterial flagella, effectively suppresses FB1-induced cell death. The molecular basis of this defence against mycotoxin toxicity is poorly understood. Analysis of extracellular peptide receptors provided initial circumstantial...

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