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玉米耐盐机制的研究进展:一个需要新努力的经典领域

Research Progress on the Mechanism of Salt Tolerance in Maize: A Classic Field That Needs New Efforts.

作者信息

Li Jiawei, Zhu Qinglin, Jiao Fuchao, Yan Zhenwei, Zhang Haiyan, Zhang Yumei, Ding Zhaohua, Mu Chunhua, Liu Xia, Li Yan, Chen Jingtang, Wang Ming

机构信息

College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China.

Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural University, Qingdao 266109, China.

出版信息

Plants (Basel). 2023 Jun 18;12(12):2356. doi: 10.3390/plants12122356.

Abstract

Maize is the most important cereal crop globally. However, in recent years, maize production faced numerous challenges from environmental factors due to the changing climate. Salt stress is among the major environmental factors that negatively impact crop productivity worldwide. To cope with salt stress, plants developed various strategies, such as producing osmolytes, increasing antioxidant enzyme activity, maintaining reactive oxygen species homeostasis, and regulating ion transport. This review provides an overview of the intricate relationships between salt stress and several plant defense mechanisms, including osmolytes, antioxidant enzymes, reactive oxygen species, plant hormones, and ions (Na, K, Cl), which are critical for salt tolerance in maize. It addresses the regulatory strategies and key factors involved in salt tolerance, aiming to foster a comprehensive understanding of the salt tolerance regulatory networks in maize. These new insights will also pave the way for further investigations into the significance of these regulations in elucidating how maize coordinates its defense system to resist salt stress.

摘要

玉米是全球最重要的谷类作物。然而,近年来,由于气候变化,玉米生产面临着来自环境因素的诸多挑战。盐胁迫是对全球作物生产力产生负面影响的主要环境因素之一。为了应对盐胁迫,植物发展出了各种策略,如产生渗透调节物质、提高抗氧化酶活性、维持活性氧稳态以及调节离子运输。本综述概述了盐胁迫与几种植物防御机制之间的复杂关系,这些机制包括渗透调节物质、抗氧化酶、活性氧、植物激素和离子(钠、钾、氯),它们对玉米的耐盐性至关重要。它阐述了耐盐性所涉及的调控策略和关键因素,旨在促进对玉米耐盐调控网络的全面理解。这些新见解也将为进一步研究这些调控在阐明玉米如何协调其防御系统以抵抗盐胁迫方面的重要性铺平道路。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c75b/10302422/39454b02a08e/plants-12-02356-g001.jpg

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