植物对盐度的反应及其生理生化防御机制研究进展

M. Polash, M. Sakil, Md. Alamgir Hossain
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引用次数: 37

摘要

由于环境的艰苦,植物面临着一定程度的非生物胁迫,其中盐度是影响植物生长发育的主要非生物胁迫之一,在世界范围内造成了巨大的产量损失。植物对盐度的反应分为两个阶段:快速渗透阶段和缓慢离子阶段,也称为高渗透阶段。植物对盐胁迫的适应和/或耐受包括几个复杂的生理、生化和分子网络。广泛了解植物在不同阶段对盐胁迫的反应,并采用一致的生理和生化方法,对于开发适应盐和/或耐盐品种至关重要。研究人员已经在细胞、生化和生理水平上发现了几种对盐胁迫的适应性反应,尽管引发盐胁迫适应和/或耐受的机制还远未完全了解。本文对与环境可持续性和粮食生产相关的植物适应和/或耐盐胁迫生理生化机制的最新研究进展进行了综述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Plants responses and their physiological and biochemical defense mechanisms against salinity: A review
Plants confront an extent of abiotic stresses due to environmental hardship, among which salinity is one of the major abiotic stresses that seizes plant growth and development resulting in a massive yield loss worldwide. Plants respond to salinity in two distinct phases: a quick osmotic phase and a sluggish ionic phase also known as hyper osmotic phase. Plants adjustment and/or tolerance to salinity stress comprise several complex physiological, biochemical and molecular networks. A widespread understanding of how plants response to salinity stress at different phases, and a cohesive physiological and biochemical approaches are crucial for the development of salt adapted and/or tolerant varieties for salt-affected areas. Researchers have identified several adaptive responses to salinity stress at cellular, biochemical and physiological levels, even though mechanisms triggering salt stress adaptation and/or tolerance are far from being entirely understood. This article bestows a spacious review of foremost research advances on physiological and biochemical mechanisms governing plant adaptation and/or tolerance to salinity stress relevant to environmental sustainability and as well as food production.
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