Impacts of Sulfur on Glucosinolate Metabolism: From Arabidopsis to Wild Brassicales

Glucosinolates (GSLs), sulfur-containing secondary metabolites produced by cruciferous plants, act as sulfur (S) stores, repel pests, and exhibit cancer-preventive properties in humans. Based on <i>Arabidopsis</i> studies, this study outlines the regulatory mechanisms of GSL biosynthesis and metabolism in response to environmental S content. Additionally, we review the case of wild perennial Brassicales, with a focus on <i>Lepidium latifolium</i>. These wild perennial species respond differently to S availability by modulating their GSL profiles to enhance insect interactions or allocate resources for survival. The rich diversity of GSLs among wild perennial Brassicales highlights the potential for uncovering the ecological and physiological roles of GSLs and their catabolites in plants, as well as their nutraceutical benefits for human health.

Abstract licence: CC BY

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