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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Mohammed, Rahma Nader, Sara M. Hamza, Dalia A. Sabry, Maha A. |
| Abstract | Background The global dissemination of critical-priority carbapenem-resistant hypervirulent Klebsiella pneumoniae (CR-hvKp) via food sources represents a significant public health concern. Epidemiological data on CR-hvKp in oysters in Egypt is limited. This study aimed to investigate the potential role of oysters sold in Egypt as a source for carbapenem-resistant K. pneumoniae (CRKP), hypervirulent K. pneumoniae (hvKp), and CR-hvKp and assess associated zoonotic risks. Methods A sample of 330 fresh oysters was randomly purchased from various retail fish markets in Egypt and divided into 33 pools. Bacteriological examination and the identification of Klebsiella pneumoniae were performed. Carbapenem resistance in K. pneumoniae isolates was determined by phenotypic and molecular methods. Additionally, the presence of hypervirulent K. pneumoniae was identified based on virulence gene markers (peg-344, rmpA, rmpA2, iucA, and iroB), followed by a string test. The clustering of CR-hvKp strains was carried out using R with the pheatmap package. Results The overall prevalence of K. pneumoniae was 48.5% (16 out of 33), with 13 isolates displaying carbapenem resistance, one intermediate resistance, and two sensitive. Both carbapenem-resistant K. pneumoniae and carbapenem-intermediate-resistant K. pneumoniae strains exhibited carbapenemase production, predominantly linked to the blaVIM gene (68.8%). HvKp strains were identified at a rate of 62.5% (10/16); notably, peg-344 was the most prevalent gene. Significantly, 10 of the 13 CRKP isolates possessed hypervirulence genes, contributing to the emergence of CR-hvKp. Moreover, cluster analysis revealed the clustering of two CR-hvKp isolates from the same retail fish market. Conclusion This study provides the first insight into the emergence of CR-hvKp among oysters in Egypt. It underscores the potential role of oysters as a source for disseminating CR-hvKp within aquatic ecosystems, presenting a possible threat to public health. |
| Related Links | https://ann-clinmicrob.biomedcentral.com/counter/pdf/10.1186/s12941-024-00711-5.pdf |
| Ending Page | 9 |
| Page Count | 9 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14760711 |
| DOI | 10.1186/s12941-024-00711-5 |
| Journal | Annals of Clinical Microbiology and Antimicrobials |
| Issue Number | 1 |
| Volume Number | 23 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-06-17 |
| Access Restriction | Open |
| Subject Keyword | Medical Microbiology Infectious Diseases Drug Resistance Microbial Genetics and Genomics Biochemistry Parasitology Klebsiella pneumoniae Carbapenem-resistant hypervirulent K. pneumoniae Oysters Egypt |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology (medical) Infectious Diseases |
| Journal Impact Factor | 4.6/2023 |
| 5-Year Journal Impact Factor | 5.3/2023 |
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