生物
免疫系统
水杨酸
免疫
重编程
植物生长
获得性免疫系统
植物免疫
细胞生物学
细胞生长
生物技术
先天免疫系统
寄主(生物学)
免疫学
细胞
生物化学
拟南芥
植物
基因
突变体
作者
Tijmen van Butselaar,Guido Van den Ackerveken
标识
DOI:10.1016/j.tplants.2020.02.002
摘要
Plants possess an effective immune system to combat most microbial attackers. The activation of immune responses to biotrophic pathogens requires the hormone salicylic acid (SA). Accumulation of SA triggers a plethora of immune responses (like massive transcriptional reprogramming, cell wall strengthening, and production of secondary metabolites and antimicrobial proteins). A tradeoff of strong immune responses is the active suppression of plant growth and development. The tradeoff also works the opposite way, where active growth and developmental processes suppress SA production and immune responses. Here, we review research on the role of SA in the growth-immunity tradeoff and examples of how the tradeoff can be bypassed. This knowledge will be instrumental in resistance breeding of crops with optimal growth and effective immunity.
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