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Key messageOur work suggests that long chain polyamines and their derivatives are potential chemicals to control viral pathogens for crop production. Abstract Previously we showed that two tetraamines, spermine (Spm) and thermospermine (T-Spm), induce the expression of a subset of defense-related genes and repress proliferation of Cucumber mosaic virus (CMV) in Arabidopsis. Here we tested whether...
We previously proposed the defensive role of a signal pathway triggered by the polyamine spermine (Spm) in the reaction against avirulent viral pathogens in Nicotiana tabacum and Arabidopsis thaliana. In this study, we showed that thermospermine (T-Spm), an isomer of Spm, is also active in inducing the expression of the genes involved in the Spm-signal pathway at a similar dose as Spm. Furthermore,...
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