KEY WORDS: Specialized metabolites, plant immunity, glucosinolates, Brassicaceae, Arabidopsis thaliana
Research topic: Function of glucosinolates in the immunity of Brassicaceae plant species.
Principal Investigator: Prof. Paweł Bednarek
I. Project description
Plants produce a number of specialized metabolites to communicate with their environment and to defend against their foes including herbivores and microbial pathogens. Species from the cabbage family, which includes oilseed rape, numerous vegetables and the model plant Arabidopsis thaliana, have capacity to produce unique thioglucosides known as glucosinolates. In response to the environmental stresses, these compounds can be rapidly activated to bioactive products that deter herbivorous insects and contribute to the protection of plant tissue from colonization with different pathogens. During this project we would like to focus on enzymes involved in modification of tryptophan-derived indole glucosinolates and subsequent activation of these compounds for antifungal defense. Both, modification and activation are indispensable for the function of indole glucosinolates in plant immunity. The few investigated enzymes will include CYP81F monooxygenases and indole glucosinolate methyltransferases. We would like to identify molecular basis of specificity of glucosinolate hydroxylation by CYP81F monooxygenases and investigate contribution of glucosinolate methyltrasferases to plant immunity.
Additional information:
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