Phosphorylation regulation of nitrogen, phosphorus, and potassium uptake systems in plants

IF 6 1区 农林科学 Q1 AGRONOMY
Dongli Hao , Xiaohui Li , Weiyi Kong , Rongrong Chen , Jianxiu Liu , Hailin Guo , Jinyan Zhou
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引用次数: 3

Abstract

The uptake of ammonium, nitrate, phosphorus, and potassium ions by roots is mediated by specific ion transporter or channel proteins, and protein phosphorylation regulation events occurring on these proteins and their regulators determine their ultimate activity. Elucidating the mechanism by which protein phosphorylation modification regulates nutrient uptake will advance plant breeding for high nutrient-use efficiency. In this review, it is concluded that the root nutrient absorption system is composed of several, but not all, members of a specific ion transporter or channel family. Under nutrient-starvation conditions, protein phosphorylation-based regulation of these proteins and associated transcription factors increases ion transporter- or channel-mediated nutrient uptake capacity via direct function activity enhancement, allowing more protein trafficking to the plasma membrane, by strengthening the interaction of transporters and channels with partner proteins, by increasing their protein stability, and by transcriptional activation. Under excessive nutrient conditions, protein phosphorylation-based regulation suppresses nutrient uptake by reversing these processes. Strengthening phosphorylation regulation items that increase nutrient absorption and weakening phosphorylation modification items that are not conducive to nutrient absorption show potential as strategies for increasing nutrient use efficiency.

植物氮、磷和钾吸收系统的磷酸化调节
根对铵、硝酸盐、磷和钾离子的吸收是由特定的离子转运蛋白或通道蛋白介导的,发生在这些蛋白及其调节因子上的蛋白质磷酸化调节事件决定了它们的最终活性。阐明蛋白质磷酸化修饰调节养分吸收的机制将促进植物育种,提高养分利用效率。在这篇综述中,得出的结论是,根系营养吸收系统由特定离子转运蛋白或通道家族的几个成员组成,但不是全部。在营养饥饿条件下,这些蛋白质和相关转录因子的基于蛋白质磷酸化的调节通过直接功能活性增强来增加离子转运蛋白或通道介导的营养摄取能力,通过加强转运蛋白和通道与伴侣蛋白的相互作用,允许更多的蛋白质运输到质膜,通过增加它们的蛋白质稳定性和通过转录激活。在营养过剩的条件下,基于蛋白质磷酸化的调节通过逆转这些过程来抑制营养吸收。加强增加营养吸收的磷酸化调节项目和削弱不利于营养吸收的磷酸化修饰项目显示出提高营养利用效率的潜力。
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来源期刊
Crop Journal
Crop Journal Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
9.90
自引率
3.00%
发文量
638
审稿时长
41 days
期刊介绍: The major aims of The Crop Journal are to report recent progresses in crop sciences including crop genetics, breeding, agronomy, crop physiology, germplasm resources, grain chemistry, grain storage and processing, crop management practices, crop biotechnology, and biomathematics. The regular columns of the journal are Original Research Articles, Reviews, and Research Notes. The strict peer-review procedure will guarantee the academic level and raise the reputation of the journal. The readership of the journal is for crop science researchers, students of agricultural colleges and universities, and persons with similar academic levels.
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