Advances in deciphering salt tolerance mechanism in maize

被引:21
作者
Cao, Yibo [1 ]
Zhou, Xueyan [2 ]
Song, Huifang [1 ]
Zhang, Ming [2 ]
Jiang, Caifu [2 ]
机构
[1] Beijing Forestry Univ, Coll Forestry, Key Lab Forest Silviculture & Conservat, Minist Educ, Beijing 100083, Peoples R China
[2] China Agr Univ, Coll Biol Sci, State Key Lab Plant Environm Resilience, Beijing 100094, Peoples R China
来源
CROP JOURNAL | 2023年 / 11卷 / 04期
关键词
Maize; Salt tolerance; QTL; Ion toxicity; Osmotic stress; Natural variation; Na + transporter; ARABIDOPSIS-THALIANA; STRESS TOLERANCE; CASPARIAN STRIP; POTASSIUM-TRANSPORT; NA+ EXCLUSION; RICE OSHKT2/1; PLANT-GROWTH; CHLORIDE; GENE; PROTEIN;
D O I
10.1016/j.cj.2022.12.004
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
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 sustain -ability 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 regu-lated 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.& COPY; 2023 Crop Science Society of China and Institute of Crop Science, CAAS. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码:1001 / 1010
页数:10
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