文献类型： 外文期刊
作者： Yarra, Rajesh 1 ; Cao, Hongxing 1 ; Jin, Longfei 1 ; Yang, Mengdi 1 ; Zhou, Lixia 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Coconut Res Inst, Hainan Key Lab Trop Oil Crops Biol, Wenchang 571339, Hainan, Peoples R China
关键词： CRISPR; Cas; Base editors; Oil palm
期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）
ISSN： 2190-572X
年卷期： 2020 年 10 卷 7 期
页码：
收录情况： SCI
摘要： The improvement of the yield and quality of oil palm via precise genome editing has been indispensable goal for oil palm breeders. Genome editing via the CRISPR/Cas9 (CRISPR-associated protein 9) system, ZFN (zinc finger nucleases) and TALEN (transcription activator-like effector nucleases) has flourished as an efficient technology for precise target modifications in the genomes of various crops. Among the genome editing technologies, base editing approach has emerged as novel technology that could generate single base changes i.e. irreversible conversion of one target base in to other in a programmable manner. A base editor (adenine or cytosine) is a fusion of catalytically inactive CRISPR-Cas9 domain (Cas9 variants) and cytosine or adenosine deaminase domain that introduces desired point mutations. However, till date no such genetic modifications have ever been developed in oil palm via base editing technology. Precise genome editing via base editing approach can be a challenging task in oil palm due to its complex genome as well as difficulties in tissue culture and genetic transformation methods. However, availability of whole genome sequencing data in oil palm provides a platform for developing the base editing technology. Here, we briefly review the potential application and future implications of base editing technology for the genetic improvement of oil palm
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