Polyamine Seed Priming: the Way for Enhancing Stress Tolerance in Plants

Łukasz Wojtyla; Karolina Wleklik; Sławomir Borek; Małgorzata Garnczarska

doi:10.20944/preprints202410.1314.v1

Preprint Review Version 1 This version is not peer-reviewed

Version 1 : Received: 13 October 2024 / Approved: 14 October 2024 / Online: 16 October 2024 (16:06:27 CEST)

Polyamines (PA), 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 under-stood. Only in a few papers PA were described as seed priming agents, but most of the data re-port only the physiological and biochemical PA effects, and only a few of them 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.

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

Biology and Life Sciences, Plant Sciences

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Polyamine Seed Priming: the Way for Enhancing Stress Tolerance in Plants

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