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Applications and Prospects of CRISPR/Cas9 Technology in the Breeding of Major Tropical Crops

文献类型： 外文期刊

作者： Zhou, Lixia 1 ; Zeng, Xianhai 1 ; Yang, Yaodong 1 ; Li, Rui 1 ; Zhao, Zhihao 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Natl Key Lab Trop Crop Breeding, Haikou 571101, Peoples R China

2.Chinese Acad Trop Agr Sci, Coconut Res Inst, Wenchang 571339, Peoples R China

3.Chinese Acad Trop Agr Sci, Haikou 571101, Peoples R China

关键词： CRISPR-Cas9; tropical crops; delivery pattern; mutation detection; application progress

期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）

ISSN： 2223-7747

年卷期： 2024 年 13 卷 23 期

页码：

收录情况： SCI

摘要： China is a major producer of tropical crops globally, boasting rich varieties and diverse functions. Tropical crops account for two-thirds of the plant species in this country. Many crops and their products, such as oil palm, rubber, banana, sugarcane, cassava, and papaya are well known to people. Most of these products are irreplaceable and possess special functions. They not only supply important raw materials for people's daily life and for industrial and agricultural production but also contribute to the economic growth in the tropical and subtropical regions of China. However, the modern molecular breeding of these crops is severely hampered by their biological characteristics and genetic complexity. Issues such as polyploidy, heterozygosity, vegetative propagation, long juvenile periods, and large plant sizes result in time consuming, low efficiency, and slow progress in conventional breeding of the major tropical crops. The development of genome-editing technologies has brought a new way in tropical crops breeding. As an emerging gene-editing technology, the CRISPR-Cas9 system has been widely used in plants, adopted for its higher targeting efficiency, versatility, and ease of usage. This approach has been applied in oil palm, rubber, banana, sugarcane, cassava, and papaya. This review summarized the delivery patterns, mutation detection, and application of the CRISPR-Cas9 system in tropical crop breeding, discussed the existing problems, and addressed prospects for future applications in this field, providing references to relevant studies.

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