植保素代谢机理、生理活性及玉米植保素的研究进展

Advances in Understanding Metabolic Mechanism and Physiological Activity of Plant Protectors in Maize

病原菌侵染和昆虫为害是导致作物减产和品质下降的主要原因之一,严重威胁粮食安全。植物受病原物侵害后产生的能够有效抵制病原菌侵染的重要次生代谢物被称为植保素,诱导植保素的合成并对其进行精细调控,是植物稳定发育的基础之一。植保素响应防御反应的机制较为复杂,当前大部分植保素的生物合成与调控机制尚在探索中。本文从植保素的发展、诱导因子、种类及其生理活性方面综述了植保素近年来的研究进程,并着重介绍了玉米植保素的研究现状,对相关区域存在的问题和可能的研究方向进行了讨论与展望。

The decline in crop yield and quality due to pathogen infection and insect damage pose a serious threat to food security.Phytoalexin,a secondary metabolite produced by plants in response to plant disease,plays a crucial role in resisting pathogen infection.The synthesis and regulation of phytoalexin are essential for stable plant development.The defense response mechanism of phytoalexin is complex and ongoing research is exploring the biosynthesis and regulatory mechanisms of plant protection.This review focused on recent research progress on phytoalexin,including its induction factors,species,physiological activities,and specifically highlights the current research status of maize phytoalexin.The review also discusses existing challenges and potential research directions in this field.