Targeting Cis-Regulatory Elements for Rice Grain Quality Improvement

被引:22
作者
Ding, Yu [1 ]
Zhu, Jiannan [1 ]
Zhao, Dongsheng [1 ]
Liu, Qiaoquan [1 ]
Yang, Qingqing [1 ,2 ]
Zhang, Tao [1 ]
机构
[1] Yangzhou Univ, Jiangsu Coinnovat Ctr Modern Prod Technol Grain C, Coll Agr,Key Lab Plant Funct Genom,Minist Educ, Jiangsu Key Lab Crop Genet & Physiol,Jiangsu Key, Yangzhou, Jiangsu, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Life Sci & Technol, Dept Biotechnol, Chengdu, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
rice; cis-regulatory element; genome editing; grain quality; upstream open reading frame; NATURAL VARIATION; YIELD; SIZE; IDENTIFICATION; SHAPE; GENE; TRANSLATION; EXPRESSION; PROMOTER; PROGRESS;
D O I
10.3389/fpls.2021.705834
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Rice is the most important source of food worldwide, providing energy, and nutrition for more than half of the population worldwide. Rice grain quality is a complex trait that is affected by several factors, such as the genotype and environment, and is a major target for rice breeders. Cis-regulatory elements (CREs) are the regions of non-coding DNA, which play a critical role in gene expression regulation. Compared with gene knockout, CRE modifications can fine-tune the expression levels of target genes. Genome editing has provided opportunities to modify the genomes of organisms in a precise and predictable way. Recently, the promoter modifications of coding genes using genome editing technologies in plant improvement have become popular. In this study, we reviewed the results of recent studies on the identification, characterization, and application of CREs involved in rice grain quality. We proposed CREs as preferred potential targets to create allelic diversity and to improve quality traits via genome editing strategies in rice. We also discussed potential challenges and experimental considerations for the improvement in grain quality in crop plants.
引用
收藏
页数:9
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