Development of a highly efficient prime editor 2 system in plants.
Development of a highly efficient prime editor 2 system in plants.
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DOI:
10.1186/s13059-022-02730-x
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发表时间:
2022-07-25
期刊:
影响因子:
12.3
通讯作者:
中科院分区:
文献类型:
--
作者:
Low efficiency has seriously restricted the application of prime editing (PE) systems in plants. In this study, we develop an enhanced plant prime editor 2 system, enpPE2, by stacking various optimization strategies, including updating the PE architecture to PEmax and expressing engineered pegRNA with a structured motif under the control of a composite promoter. In T0 rice plants, enpPE2 exhibits editing frequencies of 64.58% to 77.08%, which are much higher than the frequencies with unmodified pPE2. Our results indicate that the enpPE2 system provides a robust and powerful tool for the precise modification of plant genomes. The online version contains supplementary material available at 10.1186/s13059-022-02730-x.
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