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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | El Aila, Nabil Abdullah Al Laham, Nahed Ali Doijad, Swapnil Prakash Imirzalioglu, Can Mraheil, Mobarak Abu |
| Abstract | Background The worldwide prevalence of multi-drug resistance (MDR) in Gram-negative bacteria (GNB), particularly related to extended-spectrum beta-lactamases (ESBLs) and carbapenemases, poses significant global public health and clinical challenges. Objectives To characterize ESBL-producing Gram-negative bacilli, within a pediatric hospital in Gaza using whole genome sequencing (WGS). Methods A total of 158 clinical isolates of Gram-negative bacilli were collected from Al-Nasser Pediatric Hospital. These isolates were tested for ESBL production using the double disk synergy test. The antibiotic susceptibility profile was determined using the Kirby Bauer method following the Clinical and Laboratory Standard Institute guidelines. Selected 15 phenotypically MDR isolates were whole-genome sequenced and characterized for their genome-based species identity and antibiotic resistance gene profile. Results Of the 158 isolates, 93 (58.9%) were positive for ESBL production. The frequency of Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Acinetobacter baumannii, Proteus mirabilis, and Serratia marcescens was 50%, 22.7%, 22.7%, 1.8%, 1.2%, and 1.2% respectively. The prevalence of ESBL among urine, pus, blood, and sputum was 64%, 44%, 23%, and 63.6%, respectively. Chloramphenicol, Imipenem, and Meropenem were the most effective antibiotics against ESBL producers. In sequenced isolates, an average of six anti-microbial resistance (AMR) genes were noted per isolate, where one of them carried up to 13 antibiotic resistance genes. Carbapenem resistance genes such as blaKPC-2(6.6%), blaPDC-36/12 (6.6%), and blaPOM-1 (6.6%) were detected. All the sequenced E. coli isolates (n = 8) showed multiple resistance genes, mainly against β-lactamase (25.0%), aminoglycosides (37.5%), sulfonamides (37.5%), and genes conferring resistance to tetracyclines (25.0). Conclusion Our results showed a high prevalence of ESBL-producing GNB isolated from a pediatric hospital in the Gaza Strip. Various antibiotic resistance genes were identified, including those encoding ESBL and carbapenems. The results highlight the significant challenge posed by MDR in GNB and emphasize the need for effective antibiotic strategies. Given the high endemicity observed in various studies from Palestine, it is important to conduct clinical and molecular epidemiology research to identify risk factors, transmission patterns, and clinical outcomes associated with GNB strains that carry ESBL and carbapenem resistance genes. |
| Related Links | https://bmcmicrobiol.biomedcentral.com/counter/pdf/10.1186/s12866-024-03550-8.pdf |
| Ending Page | 12 |
| Page Count | 12 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14712180 |
| DOI | 10.1186/s12866-024-03550-8 |
| Journal | BMC Microbiology |
| Issue Number | 1 |
| Volume Number | 24 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-10-09 |
| Access Restriction | Open |
| Subject Keyword | Microbiology Biological Microscopy Mycology Parasitology Virology Life Sciences Gram-negative bacilli Extended-spectrum beta-lactamase Whole genome sequencing Antimicrobial susceptibility Pediatric Gaza Strip |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology Microbiology (medical) |
| Journal Impact Factor | 4/2023 |
| 5-Year Journal Impact Factor | 4.6/2023 |
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