Investigation of NDM, VIM, KPC and OXA-48 genes, blue-carba and CIM in carbapenem resistant Enterobacterales isolates

  • Yeliz Tanriverdi Cayci Department of Medical Microbiology, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey
  • Ilknur Biyik Department of Medical Microbiology, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey
  • Ferhan Korkmaz Rize State Hospital, Microbiology Laboratory, Rize, Turkey
  • Asuman Birinci Department of Medical Microbiology, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey
Keywords: Carbapenem Resistance, Enterobacteriaceae, Blue Carba, CIM

Abstract

Introduction: Carbapenem resistance is an emerging problem in Enterobactarales. We aimed to investigate the presence of carbapenemase genes blaNDM, blaKPC, blaVIM and blaOXA-48 and evaluate the phenotypic blue-carba method and carbapenem inactivation method (CIM) in Enterobacterales isolates.

Methodology: Total of 153 Enterobacterales isolates were tested in the study. Presence of blaNDM, blaKPC, blaVIM and blaOXA-48 genes was investigated by polymerase chain reaction (PCR) method. Carbapenemase production of the isolates was also tested by blue-carba method and CIM.

Results: The presence of blaOXA-48 gene was detected in 110 (71.4%) and blaNDM gene was detected in 2 (1.3%) of the Enterobacterales isolates by PCR method. None of the isolates were positive for blaKPC and blaVIM genes. The 121 (78.54%) of the isolates were found to be positive by blue-carba method and CIM. And 105 (68.18%) of the isolates were determined as positive by both PCR, blue-carba and CIM.

Conclusions: In our study, 112 (72.7%) of the Enterobacterales isolates were found to be positive for carbapenemase genes (blaoxa-48 and blaNDM), and 121 (78.57%) of different isolates were found to be positive for blue-carba and CIM. However, 105 (68.18%) of the carbapenem resistance isolates found to be positive for all three methods.

Author Biography

Yeliz Tanriverdi Cayci, Department of Medical Microbiology, Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey

department of Medical Mİcrobiology

Published
2021-05-31
How to Cite
1.
Tanriverdi Cayci Y, Biyik I, Korkmaz F, Birinci A (2021) Investigation of NDM, VIM, KPC and OXA-48 genes, blue-carba and CIM in carbapenem resistant Enterobacterales isolates. J Infect Dev Ctries 15:696-703. doi: 10.3855/jidc.13345
Section
Original Articles

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