Journal of Integrative Agriculture ›› 2025, Vol. 24 ›› Issue (11): 4451-4455.DOI: 10.1016/j.jia.2025.04.007

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一种适用于CRISPR/Cas基因编辑技术的gRNA预筛选瞬时转化策略

  

  • 收稿日期:2025-01-13 修回日期:2025-04-03 接受日期:2025-03-13 出版日期:2025-11-20 发布日期:2025-10-17

A transient transformation method for pre-screening gRNAs in CRISPR/Cas gene editing

Jinghui Xu1*, Xiaocui Yan4*, Yan Yu1*, Hang Zhao2, 3*, Menghan Liu2, Ye Wang2, Peng Wang2, Hongying Duan1#, Xiaoyang Ge2#, Jingjing Zhan2#   

  1. 1 Henan Normal University Research Base of National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Xinxiang 453000, China

    2 National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China

    3 College of Life Sciences, Qufu Normal University, Qufu 273100, China

    4 State Key Laboratory of North China Crop Improvement and Regulation Key Germplasm Resources in North China, Ministry of Education/College of Agronomy, Hebei Agricultural University, Baoding 071001, China

  • Received:2025-01-13 Revised:2025-04-03 Accepted:2025-03-13 Online:2025-11-20 Published:2025-10-17
  • About author:#Correspondence Xiaoyang Ge, E-mail: gexiaoyang@caas.cn; Jingjing Zhan, E-mail: jjzhan0925@126.com; Hongying Duan, E-mail: dxdhy@126.com
  • Supported by:
    This work was supported by the Agricultural Gongguan Project of Xinjiang Production and Construction Corps, China (NYHXGG, 2023AA102), the Innovation Program of Chinese Academy of Agricultural Sciences (CAAS-CSIAF-202402), the Outstanding Youth Foundation of Henan Scientific Committee, China (222300420097), and the China Agriculture Research System of MOF and MARA (CARS-15-02).

摘要:

基因编辑系统在阐明植物基因功能和促进分子设计育种方面具有广泛的潜力。然而,单引导rnasgRNAs)的效率各不相同,通过生物信息学准确预测其效率仍然存在挑战,特别是在棉花(陆地棉)等作物中。在本研究中,我们开发了一种快速、有效的方法,利用一个瞬时表达系统来验证棉花中sgRNAs的功能,它可以在三天内完成。本研究选择6个基因12个靶点,观察到通过稳定和瞬态转换获得的编辑效率呈正相关,皮尔逊相关系数(R2)为0.71。我们的研究通过评估多个基因的不同gRNA序列的效率,证实该方法可以快速评估gRNA对基因组的编辑效率,从而通过预筛选提高基因编辑的工作效率。