玉米耐盐机制研究进展

IF 6 1区 农林科学 Q1 AGRONOMY
Yibo Cao , Xueyan Zhou , Huifang Song , Ming Zhang , Caifu Jiang
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引用次数: 2

摘要

玉米(Zea mays L.)是一种全球谷物作物,其需求预计到2050年将翻一番。随着农田盐碱化的加剧,盐胁迫已成为全球玉米生产可持续性的主要环境威胁。因此,迫切需要破解耐盐机制,促进耐盐玉米的育种。耐盐性是一个由多个基因调控的复杂性状,玉米种质的耐盐性差异很大,因此,人们一直致力于鉴定和应用耐盐性的数量性状基因座(QTL)。利用全基因组关联研究(GWAS)、连锁图谱和基于组学的方法发现了与离子调节、渗透耐受性和耐盐性其他方面相关的QTL。这篇综述强调了在分子水平上理解玉米盐胁迫反应的最新进展,特别是在(a)耐盐QTL的发现,(b)耐盐机制,(c)耐盐玉米品种的开发,以及(d)当前的挑战和未来前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Advances in deciphering salt tolerance mechanism in maize

Maize (Zea mays L.) is a global cereal crop whose demand is projected to double by 2050. Along with worsening of farmland salinization, salt stress has become a major environmental threat to the sustainability of maize production worldwide. Accordingly, there is an urgent need to decipher salt-tolerant mechanisms and facilitate the breeding of salt-tolerant maize. As salt tolerance is a complex trait regulated by multiple genes, and maize germplasm varies widely in salt tolerance, efforts have been devoted to the identification and application of quantitative-trait loci (QTL) for salt tolerance. QTL associated with ion regulation, osmotic tolerance, and other aspects of salt tolerance have been discovered using genome-wide association studies (GWAS), linkage mapping, and omics-based approaches. This review highlights recent advances in the molecular-level understanding of salt stress response in maize, in particular in (a) the discovery of salt-tolerance QTL, (b) the mechanisms of salt tolerance, (c) the development of salt-tolerant maize cultivars, and (d) current challenges and future prospects.

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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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