Interrelations of nutrient and water transporters in plants under abiotic stress
Interrelations of nutrient and water transporters in plants under abiotic stress
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DOI：
10.1111/ppl.13206
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发表时间：
2020-09-22
影响因子：
6.4
通讯作者：
Carvajal, Micaela
中科院分区：
文献类型：
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作者：
Barzana, Gloria;Rios, Juan J.;Carvajal, Micaela
环境变化对植物造成非生物胁迫，主要是通过改变它们对新陈代谢和生长所需的营养和水分的吸收，以及维持它们的细胞动态平衡。细胞质膜含有转运蛋白，由其特定的基因编码，负责吸收营养物质和水(水通道蛋白)。然而，它们之间的相互监管很少被考虑在内。因此，在这篇综述中，我们确定了植物基因组对营养缺乏、干旱、盐分和低温等非生物胁迫的响应与营养转运蛋白和水通道蛋白的关系。在每种非生物胁迫下都可以观察到一些一般性的反应或调节机制，如在大量营养素缺乏时诱导质膜转运蛋白的表达，在微量营养素缺乏时诱导液泡膜转运蛋白的诱导和水通道蛋白的减少。然而，干旱、盐碱和低温通常会导致耐受植物中营养转运蛋白和水通道蛋白的表达增加。我们建议，为了更好地了解植物的逆境耐性，应将这两种类型的转运蛋白(养分和水分)结合起来考虑。
Environmental changes cause abiotic stress in plants, primarily through alterations in the uptake of the nutrients and water they require for their metabolism and growth and to maintain their cellular homeostasis. The plasma membranes of cells contain transporter proteins, encoded by their specific genes, responsible for the uptake of nutrients and water (aquaporins). However, their interregulation has rarely been taken into account. Therefore, in this review we identify how the plant genome responds to abiotic stresses such as nutrient deficiency, drought, salinity and low temperature, in relation to both nutrient transporters and aquaporins. Some general responses or regulation mechanisms can be observed under each abiotic stress such as the induction of plasma membrane transporter expression during macronutrient deficiency, the induction of tonoplast transporters and reduction of aquaporins during micronutrients deficiency. However, drought, salinity and low temperatures generally cause an increase in expression of nutrient transporters and aquaporins in tolerant plants. We propose that both types of transporters (nutrients and water) should be considered jointly in order to better understand plant tolerance of stresses.