Selenium Exerts an Intriguing Alteration of Primary and Secondary Plant Metabolites: Advances, Challenges, and Prospects

IF 6 2区 生物学 Q1 PLANT SCIENCES
M. A. Abdalla, Karl H. Mühling
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引用次数: 1

Abstract

Abstract Selenium (Se) is not yet conclusively classified as an essential nutrient required for plant growth. However, much attention has been devoted to its important role in human health since Se enrichment affects the production of primary and secondary metabolites. A strong link between low levels of Se and cancer and cardiac diseases has been proven. Thus, Se enrichment of crops has been established as a pioneering strategy to enhance Se intake by animals and humans. It has been proven that Se biofortification through a foliar application or in the growth medium has increased Se levels in plant tissues without loss of productivity or qualitative properties. However, to achieve the desirable level of Se and promote human health, Se accumulation in plants should be quantified and balanced because Se enrichment may affect their nutrient balance. This timely review provides a broad overview of the metabolic changes induced in plants by Se enrichment. Additionally, it highlights the contrasting effects of Se biofortification on the up-and-down-regulation of several secondary metabolites including phenolics, flavonoids, and their derivatives, as well as glucosinolates.
硒对初级和次级植物代谢产物进行了有趣的改变:进展、挑战和前景
硒(Se)作为植物生长所必需的一种营养物质尚未得到明确的分类。然而,由于硒富集影响初级和次级代谢产物的产生,其在人体健康中的重要作用一直受到关注。低硒水平与癌症和心脏病之间的密切联系已得到证实。因此,作物硒富集已被确立为提高动物和人类硒摄入量的开创性策略。已经证明,通过叶面施用或在生长培养基中进行硒生物强化可以增加植物组织中的硒水平,而不会损失生产力或质量特性。然而,为了达到理想的硒水平,促进人体健康,由于硒的富集会影响植物的营养平衡,因此应量化和平衡植物的硒积累。这篇及时的综述为硒富集引起的植物代谢变化提供了广泛的概述。此外,它还强调了硒生物强化对几种次生代谢物(包括酚类物质、类黄酮及其衍生物以及硫代葡萄糖苷)的上下调节的对比效应。
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来源期刊
CiteScore
12.90
自引率
1.40%
发文量
15
审稿时长
>12 weeks
期刊介绍: Critical Reviews in Plant Sciences focuses on presenting in-depth and up-to-date reviews of timely and/or cutting-edge subjects in the broad discipline of plant science, ranging from molecular biology/biochemistry through the areas of cell biology, plant pathology and physiology, genetics, classical botany, and ecology, to practical agricultural applications. Articles in the journal provide an up-to-date literature base for researchers and students, pointing the way towards future research needs. The journal is also a significant source of credible, objective information to aid decision makers at all levels.
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