Immune priming in plants: from the onset to transgenerational maintenance

被引：30
作者：
Cooper, Agatha [1 ]
Ton, Jurriaan [1 ]
机构：
[1] Univ Sheffield, Inst Sustainable Food, Sch Biosci, PPS Cluster, Sheffield, England
来源：
ESSAYS IN BIOCHEMISTRY | 2022年 / 66卷 / 05期
基金：
英国生物技术与生命科学研究理事会;
关键词：
BETA-AMINOBUTYRIC ACID; SYSTEMIC ACQUIRED-RESISTANCE; ABSCISIC-ACID; TRANSFER-RNA; DNA METHYLATION; ARABIDOPSIS; DEFENSE; TRANSCRIPTION; STRESS; SIGNALS;
D O I：
10.1042/EBC20210082
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Enhancing plant resistance against pests and diseases by priming plant immunity is an attractive concept for crop protection because it provides long-lasting broad-spectrum protection against pests and diseases. This review provides a selected overview of the latest advances in research on the molecular, biochemical and epigenetic drivers of plant immune priming. We review recent findings about the perception and signalling mechanisms controlling the onset of priming by the plant stress metabolite beta-aminobutyric acid. In addition, we review the evidence for epigenetic regulation of long-term maintenance of priming and discuss how stress-induced reductions in DNA hypomethylation at transposable elements can prime defence genes. Finally, we examine how priming can be exploited in crop protection and articulate the opportunities and challenges of translating research results from the Arabidopsis model system to crops.
引用
收藏
页码：635 / 646
页数：12
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