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• W4205706418 abstract "The AcrAB-TolC efflux pump (EP) confers multidrug resistance to Salmonella enterica, a major etiological agent of foodborne infections. Phytochemicals that inhibit the functions of AcrAB-TolC EP present ideal candidates for reversal of antibiotic resistance. Progressive technological advancements, have facilitated the development of computational methods that offer a rapid low-cost approach to screen and identify phytochemicals with inhibitory potential against EP. In this study, 71 phytochemicals derived from plants used for medicinal purposes in Mexico were screened for their potential as inhibitors of Salmonella AcrB protein using in silico approaches including molecular docking and molecular dynamics (MD) simulation. Consequently, naringenin, 5-methoxypsoralen, and licarin A were identified as candidate inhibitors of AcrB protein. The three phytochemicals bound distal/deep pocket (DP) and hydrophobic trap (HPT) residues of AcrB protein critical for interactions with inhibitors, with estimated binding free energies of -95.5 kJ/mol, -97.4 kJ/mol, and -143.8 kJ/mol for naringenin, 5-methoxypsoralen, and licarin A, respectively. Data from the 50 ns MD simulation study revealed stability of the protein-ligand complex and alterations in the AcrB protein DP conformation upon binding of phytochemicals to the DP and HPT regions. Based on the estimated binding free energy and interactions with three out of five residues lining the hydrophobic trap, licarin A demonstrated the highest inhibitory potential, supporting its further application as a candidate for overcoming drug resistance in pathogens. Communicated by Ramaswamy H. Sarma." @default.
• W4205706418 created "2022-01-26" @default.
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• W4205706418 date "2022-01-07" @default.
• W4205706418 modified "2023-10-12" @default.
• W4205706418 title "Computational assessment of phytochemicals of medicinal plants from Mexico as potential inhibitors of <i>Salmonella enterica</i> efflux pump AcrB protein" @default.
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• W4205706418 doi "https://doi.org/10.1080/07391102.2021.2024261" @default.
• W4205706418 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34996337" @default.
• W4205706418 hasPublicationYear "2022" @default.
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