Abstract:
:Tobacco SABP2, a 29kDa 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.
journal_name
FEBS Lettjournal_title
FEBS lettersauthors
Tripathi D,Jiang YL,Kumar Ddoi
10.1016/j.febslet.2010.06.046subject
Has Abstractpub_date
2010-08-04 00:00:00pages
3458-63issue
15eissn
0014-5793issn
1873-3468pii
S0014-5793(10)00554-5journal_volume
584pub_type
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