Immune priming in plants: from the onset to transgenerational maintenance | Zendy

Agatha Cooper | Zendy; Jurriaan Ton | Zendy

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Immune priming in plants: from the onset to transgenerational maintenance

Author(s) -

Agatha Cooper,

Jurriaan Ton

Publication year - 2022

Publication title -

essays in biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.351

H-Index - 66

eISSN - 1744-1358

pISSN - 0071-1365

DOI - 10.1042/ebc20210082

Subject(s) - priming (agriculture) , biology , epigenetics , plant immunity , dna methylation , immune system , arabidopsis , microbiology and biotechnology , computational biology , neuroscience , genetics , gene , gene expression , botany , mutant , germination

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 β-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.

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