Group Ⅱ introns and the application in biotechnology: a review].

Guzhen Cui, Dengxiong Hua, Junying Gu, Zhenghong Chen

Sheng wu gong cheng xue bao = Chinese journal of biotechnology 2022 Mar 25

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Group Ⅱ introns are self-splicing ribozymes, which insert directly into target sites in DNA with high frequency through "retrohoming". They specifically and efficiently recognize and splice DNA target sites, endowing themselves with great potential in genetic engineering. This paper reviewed the gene targeting principle of group Ⅱ introns and the application in microbial genetic modification, and then analyzed the limitations of them in multi-functional gene editing and eukaryotes based on the "retrohoming" characteristics and the dependence on high Mg2+ concentration. Finally, we dissected the potential of group Ⅱ introns in the development of novel gene editing tools based on our previous research outcome and the structural characteristics of the introns, hoping to provide a reference for the application of group Ⅱ introns in biotechnology.

Citation

Guzhen Cui, Dengxiong Hua, Junying Gu, Zhenghong Chen. Group Ⅱ introns and the application in biotechnology: a review]. Sheng wu gong cheng xue bao = Chinese journal of biotechnology. 2022 Mar 25;38(3):915-924