Research progress on WRKY transcription factors in regulating plant secondary metabolites
Plant secondary metabolites are a class of biologically active organic compounds synthesized through secondary metabolic pathways during plant growth.These compounds are not essential for plant development but play crucial roles in many aspects including plant survival,environmental adaptation and stress resistance.The WRKY transcription factor family,named for its characteristic conserved WRKYGQK domain,is one of the largest and most functionally diverse transcription factor families in higher plants.These factors are widely distributed across the plant kingdom and regulate the synthesis of secondary metabolites,thus participating in various physiological processes including plant growth,environmental responses,and chemical defense.This review discusses the structural features and classification of WRKY transcription factors,with a focus on their role in regulating the synthesis of plant secondary metabolites such as terpenes,phenolics and alkaloids.Future research should delve deeper into the mechanisms by which WRKY transcription factors function within the plant secondary metabolism regulatory network and their potential applications in enhancing plant stress resistance and improving the quality of secondary metabolites.Such studies will provide theoretical and practical insights for the advancement of agricultural biotechnology and the functional improvement of plants.
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