Allelopathic potential of aqueous leaf extract of Rumex dentatus L. on metabolites and enzyme activities of common purslane leaves

IF 2.6 3区生物学 Q2 PLANT SCIENCES

Journal of Plant Interactions Pub Date : 2022-02-09 DOI:10.1080/17429145.2022.2028915

H. El-Shora, M. M. Alharbi, D. Darwish, Dina Gad

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引用次数: 4

Abstract

ABSTRACT The present study was conducted to investigate the allelopathic activity of Rumex dentatus aqueous leaf extract on metabolites, reactive oxygen species (ROS), and enzymes activities in Portulaca oleraceae. The results showed a reduction of carbohydrates, protein, DNA, and RNA contents. However, the total phenolics, total flavonoids, and malondialdehyde were enhanced. The ROS such as hydrogen peroxide, superoxide radicals, and hydroxyl radicals were increased in concentration-dependent manner. The activities of glucose-6-phosphate dehydrogenase, 6-phosphoglucnate dehydrogenase, nitrate reductase, and glutamine synthetase were reduced in Portulaca leaves as the concentration of Rumex extract increased; however the activities of NADH-oxidase and phenylalanine ammonia-lyase were increased under treatment with the various tested concentrations of Rumex extract. Gas chromatography–mass spectrometry profile of aqueous Rumex extract was performed for the detection of the dominant compounds that may reveal the impact on Portulaca metabolites and enzymes activities.

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齿苋叶水提物对普通马齿苋叶代谢产物和酶活性的化感作用

摘要本研究旨在研究齿鼠叶水提物对马齿苋科植物代谢产物、活性氧(ROS)和酶活性的化感作用。结果显示碳水化合物、蛋白质、DNA和RNA含量降低。但总酚类物质、总黄酮和丙二醛含量增加。过氧化氢、超氧自由基、羟基自由基等活性氧均呈浓度依赖性增加。马齿苋叶片中葡萄糖-6-磷酸脱氢酶、6-磷酸葡聚糖脱氢酶、硝酸还原酶和谷氨酰胺合成酶活性随提取物浓度的增加而降低;而在不同浓度的提取物处理下，nadh氧化酶和苯丙氨酸解氨酶的活性均有所提高。采用气相色谱-质谱联用方法对马齿苋水提物进行分析，检测其对马齿苋代谢产物和酶活性的影响。

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来源期刊

Journal of Plant Interactions PLANT SCIENCES-

CiteScore

5.30

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Plant Interactions aims to represent a common platform for those scientists interested in publishing and reading research articles in the field of plant interactions and will cover most plant interactions with the surrounding environment.