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Chinese Journal of Biotechnology ; (12): 2414-2424, 2021.
Article Dans Chinois | WPRIM | ID: wpr-887807

Résumé

Clustered regularly interspaced short palindromic repeats (CRISPR) and its associated protein gene system can limit the horizontal gene transfer, thereby effectively preventing the invasion of foreign gene elements such as bacteriophages. CRISPR arrays of different bacteria are diverse. Based on the differences in the CRISPR system, this review summarizes the application of CRISPR in food-borne pathogen evolution analysis, detection and typing, virulence and antibiotic resistance in recent years. We also address bacterial detection typing method developed based on the characteristics of CRISPR arrays and the association of CRISPR with virulence and drug resistance of food-borne pathogens. The shortcomings of CRISPR in evolution, detection and typing, virulence and resistance applications are analyzed. In addition, we suggest standardizing CRISPR typing methods, improving and expanding the CRISPR database of pathogenic bacteria, and further exploring the co-evolution relationship between phages and bacteria, to provide references for further exploration of CRISPR functions.


Sujets)
Bactéries/génétique , Bactériophages/génétique , Systèmes CRISPR-Cas/génétique , Clustered regularly interspaced short palindromic repeats/génétique , Résistance microbienne aux médicaments/génétique , Virulence/génétique
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