Modifications in Carbon and Nitrogen Metabolites of Vigna unguiculata L. Seed Organs Induced by Different Priming Treatments

Seed priming has become a promising technique in agriculture and crop-stress management. Several authors have shown that the positive effects of seed priming are associated with various metabolic, physiological, and biochemical modifications (enzyme activation, membrane repair, initiation of DNA/RNA, and protein synthesis) that enhance the speed, uniformity, and vigor of germination. However, the mechanisms underlying seed priming are not yet well understood. The aim of our work was to study the quantitative and qualitative metabolic changes in the embryonic axes (radicle and plumule) and cotyledons of Vigna unguiculata (L.) Walp. Seeds were subjected to osmopriming with polyethylene glycol (PEG), simple hydropriming, and double hydropriming (a novel treatment). Results indicated that all types of priming, particularly double hydropriming, strongly stimulated the hydrolysis of protein and carbohydrate reserves. This resulted in a decrease in soluble proteins and starch contents and an increase in amino acids and soluble sugars contents. Moreover, the priming promoted the biosynthesis of osmolytes such as proline and induced qualitative changes in the composition of amino acids and soluble sugars. These biochemical changes depend on the organ and treatment method applied to the seeds. It is worth noting that double hydropriming induces metabolic modifications to a greater extent than single hydropriming.

• Publication year

  2025

• Venue

  Plants

• Publication date

  2025-10-01

• Fields of study

  Agricultural and Food Sciences, Medicine

• Identifiers
  DOI 10.3390/plants14203218PMID 41157775PMCID 12566982
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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