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Iranian Journal of Microbiology، جلد ۱۷، شماره ۶، صفحات ۸۶۱-۸۷۴
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عنوان انگلیسی Effect of supplementation on biofilms and antibiotic efficacy against Pseudomonas aeruginosa
چکیده انگلیسی مقاله Pseudomonas aeruginosa, a Gram-negative opportunistic pathogen, is one of the leading causes of nosocomial infections, particularly in vulnerable patients. However, treating these infections is challenging due to its various antibiotic resistance mechanisms and biofilm formation ability. As traditional antibiotic development struggles to keep pace with evolving resistance, this review explores a promising alternative strategy which is enhancing existing antibiotic efficacy by combining them with nutritional supplements that modulate P. aeruginosa physiology. Specifically, it focuses on studies investigating the effects of diverse carbon, nitrogen, and iron sources on bacterial response to antibiotics, and the mechanisms underlying observed synergy. To achieve this, published literature on P. aeruginosa metabolism, antibiotic resistance, and nutritional influences was comprehensively analyzed and summarized. The findings highlight specific carbon, nitrogen, and iron sources that can enhance various antibiotic classes against P. aeruginosa. These include supplements capable of disrupting biofilm formation, reducing efflux pump activity, or interfering with other resistance mechanisms, thereby increasing antibiotic susceptibility. The specific mechanisms by which these supplements interact with bacterial physiology and antibiotic action are thoroughly discussed. Ultimately, modulating P. aeruginosa physiology through strategic supplementation alongside existing antibiotics offers a promising approach to overcome drug resistance in this pathogen.
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نویسندگان مقاله | Mana Salehibarmi
Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran


| Maryam Siroosi
Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
نشانی اینترنتی https://ijm.tums.ac.ir/index.php/ijm/article/view/5270
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