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核心技术专利:CN118964589B侵权必究
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利用肽-蛋白对接方法研究植物抗菌肽对选定的致病性细菌物种的作用。

Investigation of Plant Antimicrobial Peptides against Selected Pathogenic Bacterial Species Using a Peptide-Protein Docking Approach.

机构信息

Department of Biochemistry, Government College University Faisalabad, Faisalabad-38000, Pakistan.

Department of Biochemistry, University of Agriculture Faisalabad, Faisalabad-38000, Pakistan.

出版信息

Biomed Res Int. 2022 Mar 21;2022:1077814. doi: 10.1155/2022/1077814. eCollection 2022.


DOI:10.1155/2022/1077814
PMID:35355819
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8960006/
Abstract

Antimicrobial resistance is the key threat to global health due to high morbidity and mortality. The alteration of bacterial proteins, enzymatic degradation, and change of membrane permeability towards antimicrobial agents are the key mechanisms of antimicrobial resistance. Based on the current condition, there is an urgent clinical need to develop new drugs to treat these bacterial infections. In the current study, the binding patterns of selected antimicrobial peptides (AMPs) with different multidrug-resistant bacterial strains have been analyzed. Among ten selected AMPs in this study, napin and snakin-1 exhibited the best scores and binding patterns. Napin exhibited strong interactions with penicillin-binding protein 1a of (with a binding score of -158.7 kcal/mol and ten hydrogen bonds), with glucose-1-phosphate thymidylyltransferase of H37Rv (with a binding score of -107.8 kcal/mol and twelve hydrogen bonds), and with streptomycin 3-adenylyltransferase protein of (with a binding score of -84.2 kcal/mol and four hydrogen bonds). Similarly, snakin-1 showed strong interactions with oxygen-insensitive NADPH nitroreductase of (with a binding score of -105.0 kcal/mol and thirteen hydrogen bonds) and with penicillin-binding protein 2a of methicillin-resistant (with a binding score of -103.8 kcal/mol and twenty-three hydrogen bonds). The docking results were further validated by molecular dynamics simulations. The results of this computational approach support the evidence of efficiency of these AMPs as potent inhibitors of these specific proteins of bacterial strains. However, further validations are required to fully evaluate the potential of selected AMPs as drug candidates against these resistant bacterial strains.

摘要

由于高发病率和死亡率,抗菌药物耐药性是全球健康的主要威胁。细菌蛋白的改变、酶的降解以及对抗菌药物的膜通透性的变化是抗菌药物耐药性的关键机制。基于目前的情况,迫切需要开发新的药物来治疗这些细菌感染。在本研究中,分析了选定的抗菌肽 (AMP) 与不同多药耐药菌的结合模式。在本研究中选择的十种 AMP 中,napin 和 snakin-1 表现出最佳的评分和结合模式。Napin 与 青霉素结合蛋白 1a(结合评分为-158.7 kcal/mol 和十个氢键)、H37Rv 的葡萄糖-1-磷酸胸苷基转移酶(结合评分为-107.8 kcal/mol 和十二个氢键)以及 (结合评分为-84.2 kcal/mol 和四个氢键)有很强的相互作用。同样,snakin-1 与 (结合评分为-105.0 kcal/mol 和十三个氢键)和耐甲氧西林的青霉素结合蛋白 2a(结合评分为-103.8 kcal/mol 和二十三个氢键)有很强的相互作用。对接结果通过分子动力学模拟进一步验证。该计算方法的结果支持了这些 AMP 作为这些特定细菌蛋白的有效抑制剂的证据。然而,需要进一步验证来充分评估选定的 AMP 作为针对这些耐药菌的候选药物的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/763cc33ec5dc/BMRI2022-1077814.011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/9c4c47149fe9/BMRI2022-1077814.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/fb7a19379335/BMRI2022-1077814.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/3431abd1de50/BMRI2022-1077814.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/577e668d10e3/BMRI2022-1077814.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/cbc2ffef2399/BMRI2022-1077814.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/a3441f496b78/BMRI2022-1077814.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/8dd0596316e8/BMRI2022-1077814.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/3f740603a756/BMRI2022-1077814.008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/3d9adb77749e/BMRI2022-1077814.009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/0dd05d23cff0/BMRI2022-1077814.010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/763cc33ec5dc/BMRI2022-1077814.011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/9c4c47149fe9/BMRI2022-1077814.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/fb7a19379335/BMRI2022-1077814.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/3431abd1de50/BMRI2022-1077814.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/577e668d10e3/BMRI2022-1077814.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/cbc2ffef2399/BMRI2022-1077814.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/a3441f496b78/BMRI2022-1077814.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/8dd0596316e8/BMRI2022-1077814.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/3f740603a756/BMRI2022-1077814.008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/3d9adb77749e/BMRI2022-1077814.009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/0dd05d23cff0/BMRI2022-1077814.010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ca6/8960006/763cc33ec5dc/BMRI2022-1077814.011.jpg

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[1]
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[2]
Molecular Docking and Simulation Studies of Antidiabetic Agents Devised from Hypoglycemic Polypeptide-P of .

Biomed Res Int. 2021

[3]
Antiviral activity of hexapeptides derived from conserved regions of bacterial proteases against HCV NS3 protease.

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[4]
Characterization of Growth Differentiation Factors as Inhibitors of TNF-Alpha and IL-6 in Immune-Mediated Inflammatory Disease Rheumatoid Arthritis.

Biomed Res Int. 2021

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An in silico approach to target RNA-dependent RNA polymerase of COVID-19 with naturally occurring phytochemicals.

Environ Dev Sustain. 2021

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