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- Title
A Method for Detecting Five Carbapenemases in Bacteria Based on CRISPR-Cas12a Multiple RPA Rapid Detection Technology.
- Authors
Xu, Huaming; Lin, Chunhui; Tang, Hao; Li, Rongrong; Xia, Zhaoxin; Zhu, Yi; Liu, Zhen; Shen, Jilu
- Abstract
Introduction: As the last line of defense for clinical treatment, Carbapenem antibiotics are increasingly challenged by multi-drug resistant bacteria containing carbapenemases. The rapid spread of these multidrug-resistant bacteria is the greatest threat to severe global health problems. Methods: To solve the problem of rapid transmission of this multidrug-resistant bacteria, we have developed a rapid detection technology using CRPSPR-Cas12a gene editing based on multiple Recombinase polymerase amplification. This technical method can directly isolate the genes of carbapenemase-containing bacteria from samples, with a relatively short detection time of 30 minutes. The instrument used for the detection is relatively inexpensive. Only a water bath can complete the entire experiment of Recombinase polymerase amplification and trans cleavage. This reaction requires no lid during the entire process while reducing a large amount of aerosol pollution. Results: The detection sensitivity of this method is 1.5 CFU/mL, and the specificity is 100%. Discussion: This multi-scene detection method is suitable for screening populations in wild low-resource environments and large-scale indoor crowds. It can be widely used in hospital infection control and prevention and to provide theoretical insights for clinical diagnosis and treatment.
- Subjects
CRISPRS; MULTIDRUG resistance in bacteria; GENOME editing; INFECTION prevention; INFECTION control; POLYMERASES
- Publication
Infection & Drug Resistance, 2024, Vol 17, p1599
- ISSN
1178-6973
- Publication type
Article
- DOI
10.2147/IDR.S429707