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Advances in the RNA-targeting CRISPR-Cas systems / 生物工程学报
Chinese Journal of Biotechnology ; (12): 1363-1373, 2023.
Article Dans Chinois | WPRIM | ID: wpr-981143
ABSTRACT
The CRISPR (clustered regularly interspaced short palindromic repeats)-Cas (CRISPR associated proteins) system is an adaptive immune system of bacteria and archaea against phages, plasmids and other exogenous genetic materials. The system uses a special RNA (CRISPR RNA, crRNA) guided endonuclease to cut the exogenous genetic materials complementary to crRNA, thus blocking the infection of exogenous nucleic acid. According to the composition of the effector complex, CRISPR-Cas system can be divided into two categories class 1 (including type Ⅰ, Ⅳ, and Ⅲ) and class 2 (including type Ⅱ, Ⅴ, and Ⅵ). Several CRISPR-Cas systems have been found to have very strong ability to specifically target RNA editing, such as type Ⅵ CRISPR-Cas13 system and type Ⅲ CRISPR-Cas7-11 system. Recently, several systems have been widely used in the field of RNA editing, making them a powerful tool for gene editing. Understanding the composition, structure, molecular mechanism and potential application of RNA-targeting CRISPR-Cas systems will facilitate the mechanistic research of this system and provide new ideas for developing gene editing tools.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Bactéries / ARN / Archéobactéries / Systèmes CRISPR-Cas / Édition de gène langue: Chinois Texte intégral: Chinese Journal of Biotechnology Année: 2023 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Bactéries / ARN / Archéobactéries / Systèmes CRISPR-Cas / Édition de gène langue: Chinois Texte intégral: Chinese Journal of Biotechnology Année: 2023 Type: Article