钼对农作物干旱胁迫的改善作用:机理作用和未来前景的详细概述

IF 2.7 3区 生物学 Q2 PLANT SCIENCES
Seyed Morteza Zahedi , Mina Marjani , Hossein Rostami Ahmadvandi , Masoumeh Alemian , Muhammad Ikram , Rahmatollah Gholami , Saadat Sarikhani , Agnieszka Ludwików , Petronia Carillo
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引用次数: 0

摘要

干旱胁迫是一种多方面的非生物胁迫,会对植物的生长和产量产生负面影响。因此,找出有用、低成本、低风险的解决方案来应对干旱,同时确定耐旱植物,对于全球可持续农业和作物生产至关重要。在某些情况下,由于缺乏营养,即使有足够的水分,植物仍然无法吸收水分。增加必需的宏量和微量营养元素可以减少非生物胁迫(其中包括干旱)的有害影响,同时提高产量。必需元素钼(Mo)在光合作用、氮(N)代谢、激素信号转导和承受非生物胁迫等许多过程中都发挥作用。植物以钼酸阴离子(MoO42-)的形式吸收钼,这是中性至碱性土壤中钼的主要常见可溶形式。钼对激素和酶的合成有独特的影响,从而影响植物的水分关系和对环境胁迫的反应。另一方面,有限的水资源和农业生产所需的充足水源在数量和质量上的缺乏有可能影响钼的吸收,而在酸性和/或缺乏这种必需微量营养元素的土壤中,钼的吸收已经非常关键。这项研究系统地调查了钼胁迫的反应,并提供了宝贵的证据,证明钼可有效缓解干旱胁迫对作物的不利影响。此外,这篇综述文章还解释了钼在减轻干旱对农作物的剧烈影响方面的机理作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Molybdenum amelioration of drought stress in agricultural crops: A detailed overview of mechanistic actions and future perspectives
Drought stress is a multidimensional abiotic stress that negatively affects plant growth and yield. Therefore, identifying useful, low-cost, and low-risk solutions to deal with drought along with identifying tolerant plants is crucial for sustainable agriculture and crop production worldwide. In some cases, due to a lack of nutrients, even if there is enough moisture, the plants are still unable to absorb water. Increasing essential macro- and micronutrients may reduce the harmful effects of abiotic stresses, among which drought, while increasing yield. The essential element molybdenum (Mo) has a role in many processes such as photosynthesis, nitrogen (N) metabolism, hormone signaling and tolerance of abiotic stresses. Plants absorb Mo as molybdate anion (MoO42−), which is the main common soluble form of Mo present in neutral to alkaline soils. Mo has a unique effect on the synthesis of hormones and enzymes, and thus affecting plant water relationships and response to environmental stresses. On the other hand, limited water resources and lack of access to adequate water for agricultural production in terms of quantity and quality risk compromising the uptake of Mo which is already critical in soils acidic and/or poor in this essential micronutrient. This study systematically investigated the response to Mo stress and provided valuable evidence for the efficacy of Mo as a candidate to temper the adverse effects of drought stress on crops. Further, this review article also explains the mechanistic actions exerted by Mo in alleviating the drastic effects of drought on crops.
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来源期刊
South African Journal of Botany
South African Journal of Botany 生物-植物科学
CiteScore
5.20
自引率
9.70%
发文量
709
审稿时长
61 days
期刊介绍: The South African Journal of Botany publishes original papers that deal with the classification, biodiversity, morphology, physiology, molecular biology, ecology, biotechnology, ethnobotany and other botanically related aspects of species that are of importance to southern Africa. Manuscripts dealing with significant new findings on other species of the world and general botanical principles will also be considered and are encouraged.
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