Multidrug resistance efflux pump expression in uropathogenic Gram-negative bacteria in organ transplant recipients
Urinary tract infections (UTIs) are common in healthcare settings and communities; and are predominantly caused by Gram-negative bacteria, which account for > 70% of UTI cases. Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa are the most common bacterial agents responsible fo...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
The Journal of Infection in Developing Countries
2025-05-01
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| Series: | Journal of Infection in Developing Countries |
| Subjects: | |
| Online Access: | https://jidc.org/index.php/journal/article/view/20171 |
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| Summary: | Urinary tract infections (UTIs) are common in healthcare settings and communities; and are predominantly caused by Gram-negative bacteria, which account for > 70% of UTI cases. Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa are the most common bacterial agents responsible for UTIs. The emergence of antibiotic resistance poses a challenge for UTI treatment; and efflux pump overexpression contributes to Gram-negative bacterial resistance. This comprehensive review summarizes the current understanding of multidrug resistance (MDR) efflux pump expression in prevalent Gram-negative bacteria that demonstrate resistance to antibiotics predominantly used for UTI treatment. This review examines the available data, and offers insights into the role of efflux pumps in conferring MDR to UTI-causing bacteria. Understanding these resistance mechanisms is crucial for developing effective strategies to combat antibiotic resistance in UTI management. Furthermore, this review emphasizes the need to characterize efflux pump–mediated antimicrobial resistance in solid organ transplantation cases. Solid organ transplant recipients are particularly vulnerable to UTIs caused by MDR bacteria, posing a serious threat to their health and recovery. Identifying the efflux pump profiles of these bacterial strains can guide appropriate antibiotic choices and optimize treatment outcomes in transplant recipients. By consolidating existing knowledge on efflux pump expression in antibiotic-resistant Gram-negative bacteria associated with UTIs, this review acknowledges gaps and identifies the future scope of research that should address the growing challenge of MDR UTIs, particularly in high-risk populations such as solid organ transplant recipients.
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| ISSN: | 1972-2680 |