一氧化氮对豌豆种子生理电位的作用及其生化机制

IF 1.1 4区 农林科学 Q3 AGRONOMY Journal of Seed Science Pub Date : 2021-01-01 DOI:10.1590/2317-1545v43255048
Marcelo Coelho Sekita, D. Dias, D. T. Pinheiro, A. Silva, Antônio César Batista Matos, L. J. Silva
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引用次数: 1

摘要

摘要/ Abstract摘要:一氧化氮(NO)参与了种子萌发过程的生化途径;然而,关于它如何影响豌豆种子性能的信息很少。本研究旨在探讨NO对豌豆种子萌发和活力的生理生化影响。豌豆种子cv。从3个不同生理品质的种子批中获得Itapuã 600个种子,将其播种在有水(对照)或硝普钠(SNP)溶液(NO供体(50 μM))湿润的基质中,以评估发芽、活力、抗氧化酶活性、活性氧活性、脂质过氧化和淀粉酶活性。施用NO不改变豌豆种子发芽,但增加活力。对生理电位较低的种子更有效。此外,NO可以减少氧化应激,促进储备物质向胚胎的转运,在豌豆种子处理中具有提高种子活力的潜力。
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Action of nitric oxide on the physiological potential and biochemical mechanisms of pea seeds
Abstract: Nitric oxide (NO) can act in biochemical pathways of the germination process; however, there is little information about how it acts on the performance of pea seeds. The aim of this study was to evaluate the physiological and biochemical effects of NO on pea seed germination and vigor. Pea seeds cv. Itapuã 600 obtained from three seed lots with different levels of physiological quality were sown in a substrate moistened with water (control) or sodium nitroprusside (SNP) solution, a NO donor (50 μM), to assess germination, vigor, activity of antioxidant enzymes, reactive oxygen species, lipid peroxidation, and amylase activity. NO application does not alter pea seed germination, but it increases vigor. It is more effective in seeds with lower physiological potential. In addition, NO leads to reduction in oxidative stress, favors the translocation of reserves to the embryo, and has potential for use in the treatment of pea seeds to increase seed vigor.
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来源期刊
Journal of Seed Science
Journal of Seed Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.00
自引率
30.00%
发文量
28
审稿时长
12 weeks
期刊介绍: From 2017 the Journal of Seed Science (JSS) will circulate online version only. Original scientific studies and communications, not yet published or submitted to another journal for publication and written in Portuguese or English, will be accepted for publication. For manuscripts submitted in English, the authors should provide an adequated version. The SCIENTIFIC COMMUNICATION is a category of scientific manuscript which describes a technique, an equipment, new species or observations and surveys of limited results. It has the same scientific rigor as the “Scientific Articles” and the same value as a publication. The classification of a manuscript as a SCIENTIFIC COMMUNICATION is based on its content and scientific merit but it can be a preliminary study, simple and not definitive on a certain subject, with publication justified by its uniqueness and contribution to the area. The Editorial Board of the JSS may invite leading authors of recognized reputation to compose specific Review Articles covering topics of their specialization that will convey to the scientific community the state-of-the-art knowledge related to the specific theme.
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