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Updated: Jun 25, 2026

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在植物后代中识别CRISPR-Cas-Mediated突变物的一种高效和具有成本效益的新战略

Xueting Liu¹, Li Huang¹, Meng Li¹

¹Plant Biotechnology Research Center, Fudan-SJTU-Nottingham Plant Biotechnology R&D Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Minhang, Shanghai, China.

The CRISPR journal

|January 13, 2025

概括

我们开发了一种基于聚合酶连锁反应 (PCR) 的快速且实惠的方法,用于选植物中的基因编辑突变. 这种策略有效地识别了T1代的编辑突变,加速了植物基因功能分析.

科学领域:

植物科学植物科学
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

克里斯普尔/克里斯普尔相关蛋白9系统能够精确的基因编辑,但选大型植物种群是具有挑战性的.
目前的突变查方法可能耗时且昂贵,阻碍了大规模的遗传研究.

研究的目的:

开发一种基于高效,成本效益和快速的聚合酶链反应 (PCR) 的策略,用于识别T1代的基因编辑结果.
通过利用T0代测序数据进行基因型预测,克服选大型后代种群的局限性.

主要方法:

利用T0代测序数据来预测T1代的基因型.
为不同类型的indel开发了不同的PCR策略:对于≥4bp的indel进行双原料临界回火温度PCR,对于1-2bp的indel进行衍生裂变放大多态序列 (dCAPS).
应用这些方法快速准确地识别T1植物中的编辑突变.

主要成果:

成功确定了T1代的基因编辑结果,具有高效率和成本效益.
在野生类型,异合体和同合体编辑植物之间区分.
证明了该策略对大型植物种群的适用性.

结论:

开发的基于PCR的策略为选植物基因编辑事件提供了一种简单快速的方法.
这种方法可以通过快速识别所需突变来加速基因功能分析.
该方法适用于植物和其他生物体中的各种基因编辑应用.

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