文献类型： 外文期刊
作者： Shi, Lu 1 ; Su, Jing 2 ; Cho, Myeong-Je 3 ; Song, Hao 2 ; Dong, Xiaoou 2 ; Liang, Ying 1 ; Zhang, Zhiyong 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base, Minist Sci & Technol, Nanjing 210014, Peoples R China
2.Nanjing Agr Univ, Prov & Minist Cosponsored Collaborat Innovat Ctr M, Jiangsu Engn Res Ctr Plant Genome Editing, State Key Lab Crop Genet & Germplasm Enhancement &, Nanjing 210095, Peoples R China
3.Univ Calif Berkeley, Innovat Genom Inst, Berkeley, CA 94704 USA
4.Hainan Yazhou Bay Seed Lab, Sanya 572025, Peoples R China
5.Zhongshan Biol Breeding Lab, 50 Zhongling St, Nanjing 210014, Jiangsu, Peoples R China
关键词： CRISPR; Cas; crop improvement; gene expression; genome editing; promoter; transcriptional regulation
期刊名称：JOURNAL OF EXPERIMENTAL BOTANY （ 影响因子：6.9； 五年影响因子：8.0 ）
ISSN： 0022-0957
年卷期： 2023 年 74 卷 15 期
页码：
收录情况： SCI
摘要： Gene expression plays a fundamental role in the regulation of agronomically important traits in crop plants. The genetic manipulation of plant promoters through genome editing has emerged as an effective strategy to create favorable traits in crops by altering the expression pattern of the pertinent genes. Promoter editing can be applied in a directed manner, where nucleotide sequences associated with favorable traits are precisely generated. Alternatively, promoter editing can also be exploited as a random mutagenic approach to generate novel genetic variations within a designated promoter, from which elite alleles are selected based on their phenotypic effects. Pioneering studies have demonstrated the potential of promoter editing in engineering agronomically important traits as well as in mining novel promoter alleles valuable for plant breeding. In this review, we provide an update on the application of promoter editing in crops for increased yield, enhanced tolerance to biotic and abiotic stresses, and improved quality. We also discuss several remaining technical bottlenecks and how this strategy may be better employed for the genetic improvement of crops in the future. This review provides an update on the application of promoter editing in modulating diverse biological processes in plants, highlights major remaining challenges in crop promoter editing, and discusses promising breakthrough strategies.
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