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- W3035103265 abstract "Waterborne Escherichia coli are a major reservoir of antimicrobial resistance (AMR). Carbapenem-resistance, especially when mediated by transferable carbapenemase-encoding genes, is spreading worldwide and causing dramatically limiting treatment options. In our country, studies for the detection of carbapenem resistance in drinking water do not exist; therefore, this work was carried out to determine the prevalence of carbapenem-resistant genes “bla KPC , bla IMP , bla NDM , bla SPM , bla VIM , and bla OXA-48 ” among Escherichia coli isolated from drinking water in Khartoum, Sudan. A total of forty-five E. coli bacteria were isolated from different sources of drinking water. Antimicrobial susceptibility testing was performed using imipenem (10 mg/disc), gentamicin (10 mg/disc), ceftriaxone (30 mg/disc), ciprofloxacin (5 mg/disc), chloramphenicol (30 mg/disc), and tetracycline (30 mg/disc). “Sensitive” or “resistant” patterns of E. coli were judged using antibiotic minimum inhibitory concentration (MIC). Bacterial genomic DNA was extracted by the boiling method, and then multiplex polymerase chain reaction was performed to detect the carbapenemase genes (bla KPC , bla IMP , bla NDM , bla SPM , bla VIM , and bla OXA-48 ). Multiplex PCR assays confirmed the presence of carbapenemase genes in 28% of all water isolates. OXA-48 gene was the most predominant gene, detected in 15.5% of the isolates. The bla KPC and bla SPM genes were also detected in 4.4% and 8.8% of the isolates, respectively. However, the isolates were negative for bla NDM , bla VIM , and bla IMP genes. The isolates showed a high rate of tetracycline resistance (97.7%), followed by gentamicin (57.7%), ciprofloxacin (46.6%), ceftriaxone (35.5%), and chloramphenicol (31.1%). In conclusion, this study confirmed for the first time the presence of E. coli carried carbapenem-resistant genes in the drinking water of Khartoum state, Sudan. These isolates commonly carried OXA-48 (7/45), followed by SPM (4/45) and KPC (2/45)." @default.
- W3035103265 created "2020-06-19" @default.
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- W3035103265 date "2020-06-12" @default.
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- W3035103265 title "Detection of Carbapenem-Resistant Genes in <i>Escherichia coli</i> Isolated from Drinking Water in Khartoum, Sudan" @default.
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- W3035103265 doi "https://doi.org/10.1155/2020/2571293" @default.
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