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Insect eggs suppress plant defence against chewing herbivores

Bruessow, Friederike ; Gouhier-Darimont, Caroline ; Buchala, Antony J. ; Metraux, Jean-Pierre ; Reymond, Philippe

In: The Plant Journal, 2010, vol. 62, no. 5, p. 876 - 885

Plants activate direct and indirect defences in response to insect egg deposition. However, whether eggs can manipulate plant defence is unknown. In Arabidopsis thaliana, oviposition by the butterfly Pieris brassicae triggers cellular and molecular changes that are similar to the changes caused by biotrophic pathogens. In the present study, we found that the plant defence signal salicylic acid...