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园艺学报 ›› 2024, Vol. 51 ›› Issue (8): 1927-1948.doi: 10.16420/j.issn.0513-353x.2023-0894

• 综述 • 上一篇    下一篇

植物CRISPR/Cas无外源DNA基因组编辑技术研究进展

陆地1,2, 胡春华1, 盛鸥1, 杨乔松1, 窦同心1, 何维弟1, 邓贵明1, 高慧君1, 刘思文1, 李春雨1, 董涛1, 易干军1,*(), 毕方铖1,*()   

  1. 1 广东省农业科学院果树研究所/农业农村部南亚热带果树生物学与遗传资源利用重点实验室/广东省热带亚热带果树研究重点实验室,广州 510640
    2 华中农业大学园艺林学院,武汉 430070
  • 收稿日期:2024-01-26 修回日期:2024-05-29 出版日期:2024-08-25 发布日期:2024-08-22
  • 通讯作者:
  • 基金资助:
    国家重点研发计划项目(2019YFD1000900); 国家自然科学基金项目(32172544); 广州市科学研究重点项目(201904020033); 现代农业产业技术体系建设专项(CARS-31-01); 广东省农科院中青年人才培养项目(R2023PY-JG003); 广东省农业村厅香蕉种业创新园项目(2022-NJS-00-001)

Advances in the CRISPR/Cas DNA-Free Genome Editing in Plant

LU Di1,2, HU Chunhua1, SHENG Ou1, YANG Qiaosong1, DOU Tongxin1, HE Weidi1, DENG Guiming1, GAO Huijun1, LIU Siwen1, LI Chunyu1, DONG Tao1, YI Ganjun1,*(), BI Fangcheng1,*()   

  1. 1 Institute of Fruit Tree Research,Guangdong Academy of Agricultural Science/Key Laboratory of South Subtropical Fruit Tree Biology and Genetic Resources Utilization,Ministry of Agriculture and Rural Affairs/Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Research,Guangzhou 510640,China
    2 College of Horticulture and Forestry,Huazhong Agricultural University,Wuhan 430070,China
  • Received:2024-01-26 Revised:2024-05-29 Published:2024-08-25 Online:2024-08-22

摘要:

CRISPR/Cas基因组编辑技术已成为作物遗传改良的重要工具。常见的农杆菌介导或基因枪投送DNA基因组编辑方式会导致外源载体片段整合到植物基因组中,引发消费者对其潜在生物安全的担忧。目前已有部分植物建立了无外源DNA基因组编辑体系,但存在投送效率低、编辑效率低和再生困难等问题。本文中主要对植物CRISPR/Cas无外源DNA基因组编辑体系建立和应用研究中编辑元件载体、介导投送方式及常用的编辑策略等3个方面的进展进行了归纳,总结了存在的主要问题并对未来努力方向进行了展望。

关键词: CRISPR/Cas, 基因组编辑, 无外源DNA, 编辑元件载体, 介导投送方式, 生物安全

Abstract:

CRISPR/Cas genome editing technology has become an important tool for the genetic improvement of crops. However,common genome editing methods of Agrobacterium-mediated or particle bombardment delivery DNA can lead to the integration of exogenous vector fragments into the plant genome,raising consumer concerns about its potential biosafety. At present,some plants have established DNA-free genome editing systems,but there are problems such as low delivery efficiency,low editing efficiency,and regeneration difficulties. In this review,the advances in the establishment and application of plant CRISPR/Cas DNA-free genome editing system were summaried from three aspects:the vector elements,delivery methods and the commonly used editing strategy. The main existing problems and future perspectives were discussed.

Key words: CRISPR/Cas, genome editing, DNA-free editing strategy, vector elements, delivery methods, biosafety