Stress and defense responses in plant secondary metabolites production

Summary

This narrative review, published in Biological Research, synthesises current understanding of how plants respond to environmental stresses — including drought, UV radiation, wounding, pathogen attack, and nutrient deficiency — through the production of secondary metabolites. The paper likely covers key metabolite classes such as phenolics, flavonoids, alkaloids, and terpenes, and outlines the signalling cascades (e.g. jasmonate and salicylate pathways) that mediate these responses. It provides a broad mechanistic framework relevant to both plant biology and the practical manipulation of phytochemical content in cultivated crops.

UK applicability

Although the review is global in scope and not specific to UK agricultural systems, its findings are broadly applicable to UK horticulture and arable production, particularly regarding how growing conditions and stress management practices may influence the phytochemical composition and nutritional quality of crops.

Key measures

Types and classes of secondary metabolites; stress response pathways; regulatory mechanisms of biosynthesis; categories of biotic and abiotic stressors

Outcomes reported

The review examines how various biotic and abiotic stressors trigger defence responses leading to the accumulation of secondary metabolites in plants, including alkaloids, terpenoids, and phenolic compounds. It likely discusses the biochemical pathways and regulatory mechanisms involved in stress-induced secondary metabolite biosynthesis.

Topic tags