Comparison of plant defense elicitor properties of amphiphilic compounds from plant-associated bacteria


Abstract: The surfactin lipopeptide secreted by Bacillus as well as rhamnolipids and the n-alkylated benzylamine derivative produced by Pseudomonas species, retain some plant resistance eliciting effect and belong to a specific class of MAMPs with biosurfactant activity. In this study, we first observed that the three compounds retain a similar potential to induce resistance in Arabidopsis and tomato plants against Botrytis cinerea. However, by looking at some molecular mechanisms involved in the plant response, it appeared that perception of the three elicitors might lead to different defense signatures.

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