SABP2, a Methyl Salicylate Esterase Is Required for the Systemic Acquired Resistance Induced by Acibenzolar-S-methyl in Plants
Document Type
Article
Publication Date
8-1-2010
Description
Tobacco SABP2, a 29. kDa protein catalyzes the conversion of methyl salicylic acid (MeSA) into salicylic acid (SA) to induce SAR. Pretreatment of plants with acibenzolar-. S-methyl (ASM), a functional analog of salicylic acid induces systemic acquired resistance (SAR). Data presented in this paper suggest that SABP2 catalyzes the conversion of ASM into acibenzolar to induce SAR. Transgenic SABP2-silenced tobacco plants when treated with ASM, fail to express PR-1 proteins and do not induce robust SAR expression. When treated with acibenzolar, full SAR is induced in SABP2-silenced plants. These results show that functional SABP2 is required for ASM-mediated induction of resistance.
Citation Information
Tripathi, Diwaker; Jiang, Yu L.; and Kumar, Dhirendra. 2010. SABP2, a Methyl Salicylate Esterase Is Required for the Systemic Acquired Resistance Induced by Acibenzolar-S-methyl in Plants. FEBS Letters. Vol.584(15). 3458-3463. https://doi.org/10.1016/j.febslet.2010.06.046 PMID: 20621100 ISSN: 0014-5793