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Development of an efficient plant dual cytosine and adenine editor

文献类型: 外文期刊

作者: Xu, Rongfang 1 ; Kong, Fanna 1 ; Qin, Ruiying 1 ; Li, Juan 1 ; Liu, Xiaoshuang 1 ; Wei, Pengcheng 1 ;

作者机构: 1.Anhui Acad Agr Sci, Rice Res Inst, Key Lab Rice Genet Breeding Anhui Prov, Hefei 230031, Peoples R China

2.Anhui Agr Univ, Coll Agron, Hefei 230036, Peoples R China

关键词: base editing; CRISPR; dual-base editor; genome editing; rice

期刊名称:JOURNAL OF INTEGRATIVE PLANT BIOLOGY ( 影响因子:7.061; 五年影响因子:6.002 )

ISSN: 1672-9072

年卷期: 2021 年 63 卷 9 期

页码:

收录情况: SCI

摘要: An enhanced CDA-like (eCDAL) was established from Japanese lamprey CDA1-like 4 to achieve a high editing frequency in a broad region as a C-terminal cytosine base editors (CT-CBE). Then, a novel plant dual-base editor version 1(pDuBE1) was developed by integrating TadA-8e into eCDAL. The editing efficiency of pDuBE1 could reach to 87.6%, with frequencies of concurrent A-to-G and C-to-T conversions as high as 49.7% in stably transformed plant cells. Our results showed that pDuBE1 could mediate robust dual editing in plant genome, providing a powerful manipulation tool for precise crop breeding and screening platforms for in planta direct evolution.

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