Multi-targeting of virulence factors of P. aeruginosa by β-lactam antibiotics to combat antimicrobial resistance

被引:2
|
作者
Qais, Faizan Abul [1 ,6 ]
Parveen, Nagma [2 ]
Ahmad, Iqbal [1 ]
Husain, Fohad Mabood [3 ]
Khan, Altaf [4 ]
Adil, Mohd [5 ]
机构
[1] Aligarh Muslim Univ, Fac Agr Sci, Dept Agr Microbiol, Aligarh, Uttar Pradesh, India
[2] Barkatullah Univ, Saifia Coll, Dept Zool, Bhopal, India
[3] King Saud Univ, Dept Food Sci & Nutr, Riyadh, Saudi Arabia
[4] King Saud Univ, Coll Pharm, Dept Pharmacol, Riyadh, Saudi Arabia
[5] Dalhousie Univ, Dept Environm Sci, Truro, NS, Canada
[6] Aligarh Muslim Univ, Dept Agr Microbiol, Aligarh 202002, India
来源
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS | 2024年 / 42卷 / 24期
关键词
beta-lactam; P; aeruginosa; virulence; pathogenicity; molecular docking; molecular dynamics simulation; PSEUDOMONAS-AERUGINOSA; IN-VITRO; NEUROTOXICITY; EXPRESSION; EVOLUTION; PROGRESS; BIOFILM; DOCKING; GROMACS; BINDING;
D O I
10.1080/07391102.2023.2275181
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Antimicrobial resistance poses a significant challenge to public health, especially in developing countries, due to a substantial rise in bacterial resistance. This situation has become so concerning that we are now at risk of losing the effectiveness of antibiotics altogether. Recent research has firmly established that bacteria engage in a process called quorum sensing (QS). QS regulates various functions, including nutrient scavenging, immune response suppression, increased virulence, biofilm formation and mobility. Pseudomonas aeruginosa, an opportunistic bacterial pathogen, plays a significant role in various medical conditions such as chronic wounds, corneal infections, burn wounds and cystic fibrosis. While antibiotics are effective in killing bacteria, only a few antibiotics, particularly those from the beta-lactam group, have been studied for their impact on the quorum sensing of P. aeruginosa. Given the lack of concentrated efforts in this area, we have investigated the role of beta-lactam antibiotics on various potential targets of P. aeruginosa. Based on their toxicological profiles and the average binding energy obtained through molecular docking, azlocillin and moxalactam have emerged as lead antibiotics. The binding energy for the docking of azlocillin and moxalactam with LasA was determined to be -8.2 and -8.6 kcal/mol, respectively. Molecular simulation analysis has confirmed the stable interaction of both these ligands with all three target proteins (LasI, LasA and PqsR) under physiological conditions. The results of this research underscore the effectiveness of azlocillin and moxalactam. These two antibiotics may be repurposed to target the quorum sensing of P. aeruginosa.
引用
收藏
页码:13354 / 13371
页数:18
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