Published in:
01-11-2021 | Escherichia Coli | Brief Report
Rapid detection of NDM and VIM carbapenemase encoding genes by recombinase polymerase amplification and lateral flow–based detection
Authors:
Abdulrahman K. S. Ayfan, Joanne Macdonald, Patrick N. A. Harris, Claire Heney, David L. Paterson, Ella Trembizki, Claire Y. T. Wang, David M. Whiley, Hosam M. Zowawi, Adam D. Irwin
Published in:
European Journal of Clinical Microbiology & Infectious Diseases
|
Issue 11/2021
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Abstract
Carbapenemase-producing organisms (CPOs) pose a serious clinical threat and rapid detection tools are essential to aid in patient management. We developed rapid and simple molecular tests to detect blaNDM-type and blaVIM-type carbapenemase genes using recombinase polymerase amplification (RPA) combined with a lateral flow detection. The tests could provide results in approximately 15 min when using DNA extracts, with limits of detection of 9.2 copies/μl for the blaNDM-type assay and 7.5 copies/μl for blaVIM-type assay, and successfully detected all isolates harbouring the carbapenemase encoding genes in a panel of 57 isolates. These RPA tests may be suitable for use in low-resource settings to tailor rapid implementation of infection control precautions and antibiotic stewardship.