ArticleApplied biochemistry and biotechnology2024
Discovering Potential Bacteriocins Against Pseudomonas fragi: a Subtractive Proteomics and Molecular Dynamic Simulation Study for Food Preservation.
Article in Applied biochemistry and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Food preservation is a schematic and scientific procedure employed for the maintenance and improvement of food's quality, shelf life, and nutritional value. Although, on one hand, ancient conventional methods such as freezing, pasteurization, canning, and chemical methods have the potential to lengthen the shelf life of edible substances, but on the other hand, they can deteriorate its nutritional value as well. Present research focuses on the identification of promising bacteriocins against Pseudomonas fragi via subtractive proteomics pipeline as an alternative approach for food preservation. Bacteriocins are small peptides produced by certain microbes to naturally defend themselves by destroying other closely related bacteria residing in their neighborhood. P. fragi lies among the most notable microbes responsible for the elicitation of food spoilage. Due to increasing emergence and prevalence of multidrug resistance bacteria, there is a need to unravel novel drug targets, crucially involved in food decay process. Based on subtractive scrutinization, UDP-N-acetylglucosamine O-acyltransferase (LpxA) was chosen as promising therapeutic protein target that could play a significant role in progression of food spoilage. Subtilosin A, thuricin-CD, and mutacin B-NY266 were found as the most robust inhibitors of LpxA according to the molecular docking assay results. Molecular dynamic simulations and binding energy calculations via MM/PBSA method of LpxA and three top hit docked complexes, i.e., LpxA-subtilosin A, LpxA-thuricin-CD, and LpxA-mutacin B-NY266, revealed stability throughout simulations and ensured that shortlisted bacteriocins had strong affinity for LpxA.
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