ArticlePlants (Basel, Switzerland)2022
Exogenous Spermidine Promotes Germination of Aged Sorghum Seeds by Mediating Sugar Metabolism.
Article in Plants (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 20 citations in OpenAlex.
- An Efficient Regeneration and Transient Transformation System for the Desert HalophytePlants (Basel, Switzerland) · 2026Article
- Integrated transcriptomic and metabolomic analyses elucidate the effects of exogenous spermidine priming on seed germination and seedlings growth of Elymus sibiricus under salt stress.BMC plant biology · 2026Article
- Effects of Exogenous Spermidine on Germination and Seedling Growth of Rice Under Salt Stress: Physiological and Transcriptomic Insights.Current issues in molecular biology · 2025Article
- Exogenous Sucrose Improves the Vigor of Aged Safflower Seeds by Mediating Fatty Acid Metabolism and Glycometabolism.Plants (Basel, Switzerland) · 2025Article
- Proteomic and transcriptomic analysis of the action mechanism of spermidine in mitigating the aging of Allium mongolicum seeds.Scientific reports · 2025Article
- Spermidine Revives Aged Sorghum Seed Germination by Boosting Antioxidant Defense.Antioxidants (Basel, Switzerland) · 2025Article
- Spermidine improves seed viability inFrontiers in plant science · 2025Article
- Effects of Exogenous Spermidine on Seed Germination and Physiological Metabolism of Rice Under NaCl Stress.Plants (Basel, Switzerland) · 2024Article
- Silicon-seed priming promotes seed germination under CA-induced autotoxicity by improving sucrose and respiratory metabolism in cucumber (Cucumis sativus L.).BMC plant biology · 2024Article
- Aging-Induced Reduction in Safflower Seed Germination via Impaired Energy Metabolism and Genetic Integrity Is Partially Restored by Sucrose and DA-6 Treatment.Plants (Basel, Switzerland) · 2024Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
Starch, a substance stored in seeds, is the main source of energy for germination in sorghum seeds. However, as the seeds age, the catabolism of seed starch is affected, thereby seriously damaging germination ability. In this study, we aimed to understand how exogenous spermidine promoted germination in aged sorghum seed. Our phenotypic analysis indicated that exogenous spermidine not only significantly improved the germination rate, germination potential, germination index, and vigor index of aged seeds, but also increased the root and shoot length after germination. Further, physiological analysis showed that exogenous spermidine increased the content of soluble sugar by upregulating the activity of amylase and sucrose invertase. Exogenous spermidine also improved the activities of key enzymes in glycolysis, the tricarboxylic acid cycle, and the pentose phosphate pathway of aged sorghum seeds. Interestingly, exogenous spermidine protected the mitochondrial structure of aged seeds, which was consistent with the increase in the respiration rate and ATP content during seed germination. Moreover, qRT-PCR analysis revealed that exogenous spermidine induced the expression of key genes related to starch and sugar metabolism in aged sorghum seeds. In conclusion, our study demonstrated that exogenous spermidine promoted aged sorghum seed germination by regulating starch and sugar metabolism.
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