丛枝菌根真菌诱导植物信号物质研究进展

Recent Advances in the Study of Signal Substances in Plants Induced by Arbuscular Mycorrhizal Fungi

摘要:

丛枝菌根(AM)真菌侵染植物根系形成菌根共生体过程中能诱导植物合成多种信号物质, 如水杨酸(SA)、茉莉酸(JA)、类黄酮、一氧化氮(NO)和过氧化氢(H2O2)等。这些信号分子的传导途径和作用机制备受关注。本文从AM真菌诱导植物信号物质的种类和数量入手, 探讨这些信号分子在植物体内的传导途径、生理效应和可能的作用机制, 旨在为研究AM真菌与植物之间的共生关系、功能与进化等提供依据。

Abstract:

Many signal substances, such as salicylic acids (SA), jasmine acids (JA), flavonoids, NO, H2O2, etc. in plants are induced by arbuscular mycorrhizal (AM) fungi which colonize plant roots. The signal movement pathways and function mechanisms of these signals have been paid more attention to in recent years. In this review, we firstly summed up the signal substance kinds and quantities in plants inoculated with AM fungi, then discussed the signal transduction pathway, physiological effects and the related functioning mechanism in mycorrhizal plants, in order to provide a basis for the further study symbiotic relationship and mechanisms between AM fungi and plants.