干旱胁迫下绿色合成银纳米粒子和褪黑素对单叶洋金花生理生化活性的调节作用

IF 1.7 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Ayomide H. Labulo, Oyinade A. David, Augustine D. Terna, Timileyin P. Omotosho, Nicholas S. Tanko, Ibrahim Hassan, Bosede R. Oluwole, Adeyinka Odebode
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引用次数: 0

摘要

开发一种有效且环保的银纳米粒子(AgNPs)来减轻非生物胁迫的影响是纳米生物技术的一个重要领域。本研究旨在研究植物基绿色合成的银纳米粒子和褪黑素对干旱胁迫独叶草生理生化活性的促进作用。用 0.06 毫克/升的 ML-AgNPs、0.06 毫克/升的褪黑素和褪黑素的纳米银制剂(1:1)对灭菌的一枝黄花种子进行引种。种子播种后在干旱胁迫下生长 7 天。ML-AgNPs 提高了发芽率、发芽速度和活力、芽伸长率,并诱导产生 APx、CAT 和脯氨酸脱氢酶(增加 100%)。褪黑素提高了 APx 和 CAT、总蛋白、脯氨酸积累和脯氨酸脱氢酶的活性(提高了 200%),并稳定了 MDA 含量。同时,纳米银制剂褪黑素增加了叶片的增殖和 APx、GPx、SOD 和 CAT 的产生。脯氨酸的积累和脯氨酸脱氢酶的 100% 上调渗透调节了干旱的影响,降低了 MDA 含量,稳定了 H2O2 和 O2- 的过量产生。在干旱胁迫下,ML-AgNO3 显示出一种高效的褪黑激素植物输送系统。因此,我们的研究表明,银纳米配方(1:1)中的褪黑素是一种有效的抗旱生物刺激剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Modulation of physiological and biochemical activities of Eugenia uniflora by green-synthesized silver nanoparticle and melatonin under drought stress

Modulation of physiological and biochemical activities of Eugenia uniflora by green-synthesized silver nanoparticle and melatonin under drought stress

The development of an effective and eco-friendly silver nanoparticle (AgNPs) to abate the effect of abiotic stress is an important area of nano-biotechnology. This study aimed to study the priming effect of plant-based green-synthesized silver nanoparticles and melatonin on the physiological and biochemical activities of drought-stressed E. uniflora. Sterilized seeds of E. uniflora were primed with 0.06 mg/l of ML-AgNPs, 0.06 mg/l of melatonin, and a nano-silver formulation of melatonin (1:1). Primed seeds were planted and subjected to 7 days under drought stress. The ML-AgNPs enhanced germination percentage, speed and vigor, and shoot elongation and induced the production of APx, CAT, and proline dehydrogenase (100% increases). Melatonin improved the activities of APx and CAT, total protein, accumulation of proline, and proline dehydrogenase (200% increases) and stabilized MDA content. Meanwhile, silver nano-formulation of melatonin increased leaves proliferation of leaves and production of APx, GPx, SOD, and CAT. Accumulation of proline and 100% upregulation of proline dehydrogenase osmo-regulated the effects of the drought, reduced MDA contents, and stabilized the excessive production of H2O2 and O2−. The ML-AgNO3 showed an efficient delivery system of melatonin into the plant under drought stress. As a result, our research shows that melatonin in silver nano-formulation (1:1) is a useful biostimulant against drought stress.

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来源期刊
Plant Biotechnology Reports
Plant Biotechnology Reports 生物-生物工程与应用微生物
CiteScore
4.10
自引率
4.20%
发文量
72
审稿时长
>12 weeks
期刊介绍: Plant Biotechnology Reports publishes original, peer-reviewed articles dealing with all aspects of fundamental and applied research in the field of plant biotechnology, which includes molecular biology, genetics, biochemistry, cell and tissue culture, production of secondary metabolites, metabolic engineering, genomics, proteomics, and metabolomics. Plant Biotechnology Reports emphasizes studies on plants indigenous to the Asia-Pacific region and studies related to commercialization of plant biotechnology. Plant Biotechnology Reports does not exclude studies on lower plants including algae and cyanobacteria if studies are carried out within the aspects described above.
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