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Review
. 2024 Nov 23;25(23):12588.
doi: 10.3390/ijms252312588.

Polyamine Seed Priming: A Way to Enhance Stress Tolerance in Plants

Łukasz Wojtyla  1 , Karolina Wleklik  1 , Sławomir Borek  1 , Małgorzata Garnczarska  1
Affiliations
Review

Polyamine Seed Priming: A Way to Enhance Stress Tolerance in Plants

Łukasz Wojtyla et al. Int J Mol Sci. .

Abstract

Polyamines (PAs), such as putrescine, spermine, and spermidine, are bioactive molecules that play a vital role in plant responses to stresses. Although they are frequently applied to achieve higher levels of stress tolerance in plants, their function in seed biology is still not fully understood. PAs have been described in only a limited number of studies as seed priming agents, but most of the data report only the physiological and biochemical PA effects, and only a few reports concern the molecular mechanisms. In this review, we summarized PA seed priming effects on germination, seedling establishment, and young plant response to abiotic stresses, and tried to draw a general scheme of PA action during early developmental plant stages.

Keywords: abiotic stress; chilling stress; priming memory; rice (Oryza sativa L.); salt stress; seed biology; seed germination.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Simplified scheme of putrescine, spermidine, and spermine metabolism in plants.
Figure 2
Figure 2
The general overview of the mechanisms underlying stress response upon PA seed priming. Abbreviations are explained in the text. The question marks refer to hypothetical PA-mediated epigenetic regulation and priming memory. Created in BioRender.
See this image and copyright information in PMC

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