Université de Fribourg

NPR1 modulates cross-talk between salicylate- and jasmonate-dependent defense pathways through a novel function in the cytosol

Spoel, Steven H. ; Koornneef, Annemart ; Claessens, Susanne M. C. ; Korzelius, Jerôme P. ; Pelt, Johan A. van ; Mueller, Martin J. ; Buchala, Antony J. ; Métraux, Jean-Pierre ; Brown, Rebecca ; Kazan, Kemal ; Loon, L. C. van ; Dong, Xinnian ; Pieterse, Corné M. J.

In: The Plant Cell, 2003, vol. 15, p. 760

Plant defenses against pathogens and insects are regulated differentially by cross-communicating signal transduction pathways in which salicylic acid (SA) and jasmonic acid (JA) play key roles. In this study, we investigated the molecular mechanism of the antagonistic effect of SA on JA signaling. Arabidopsis plants unable to accumulate SA produced 25-fold higher levels of JA and showed enhanced...

Université de Fribourg

Signal signature and transcriptome changes of Arabidopsis during pathogen and insect attack

Vos, Martin de ; Oosten, Vivian R. van ; Poecke, Remco M. P. van ; Pelt, Johan A. van ; Pozo, Maria J. ; Mueller, Martin J. ; Buchala, Antony J. ; Métraux, Jean-Pierre ; Loon, L. C. van ; Dicke, Marcel ; Pieterse, Corné M. J.

In: Molecular Plant-Microbe Interactions, 2005, vol. 18, p. 923

Plant defenses against pathogens and insects are regulated differentially by cross-communicating signaling pathways in which salicylic acid (SA), jasmonic acid (JA), and ethylene (ET) play key roles. To understand how plants integrate pathogen- and insect-induced signals into specific defense responses, we monitored the dynamics of SA, JA, and ET signaling in Arabidopsis after attack by a...