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    The CRISPR/Cas9 based prime editing (PE) technique enables all 12 types of base substitutions and precise small DNA deletions or insertions without generating DNA double-strand breaks. Prime editing has been successfully applied in plants and plays important roles in plant precision breeding. Although plant prime editing (PPE) can substantially expand the scope and capabilities of precise genome editing in plants, its editing efficiency still needs to be further improved. Here, we review the development of PPE technique, and introduce structural composition, advantages and limitations of PPE. Strategies to improve the PPE editing efficiency, including the Tm-directed PBS length design, the RT template length, the dual-pegRNA strategy, the PlantPegDesigner website, and the strategies for optimizing the target proteins of PPE, were highlighted. Finally, the prospects of future development and application of PPE were discussed.

    Citation

    Qiuli DU, Chao Wang, Guanwen Liu, Dandan Zhang, Shujun Zhang, Jinlong Qiu. Plant prime editing technique: a new genome editing tool for plants]. Sheng wu gong cheng xue bao = Chinese journal of biotechnology. 2022 Jan 25;38(1):26-33

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    PMID: 35142116

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