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Glucosinolates are a group of thioglucosides in plants of the Brassicales order. Together with their hydrolytic enzymes, the myrosinases, they constitute the 'mustard oil bomb' involved in plant defense. Here we summarize recent studies in Arabidopsis that have provided molecular evidence that the glucosinolate-myrosinase system is much more than a 'two-component defense system,' and started to unravel the roles of different glucosinolate breakdown pathways in the context of plant responses to biotic and abiotic stresses.
Wittstock et al. (Fri,) studied this question.