In-silico Approach to Combat Methicillin-resistant Staphylococcus aureus: Targeting RelP Protein with Inhibitor Peptide to Mitigate Drug Resistance.

Priyanka Sinoliya, Pooran Singh Solanki, Ravi Ranjan Kumar Niraj, Vinay Sharma
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Abstract

Background: Methicillin-resistant Staphylococcus aureus (MRSA), known for its re-sistance to multiple antibiotics, has emerged as a major global health concern. It facilitates biofilm formation under stressful conditions by catalyzing the synthesis of alarmones (p)ppGpp and ppGpp. These alarmones on accumulation lead to biofilm formation and cause resistance towards antibiotics.

Methods: This condition has prompted the exploration of various novel approaches and methodolo-gies to combat MRSA infections. Among these, peptide therapeutics stand out as a promising next-generation treatment option. In this study, ninety antimicrobial peptides were sourced from the anti-microbial peptide database and the other sixty-one peptide sequences were designed using the Pep-draw server. These peptide sequences were screened out using different in-silico tools. The protein-peptide molecular interaction was studied using a molecular docking and molecular dynamic simu-lation technique.

Result: Out of 151 peptide sequences, Pantocin wh-1 emerged as the most promising drug candidate. Both molecular interaction studies and molecular dynamics simulations demonstrated positive re-sults.

Conclusion: Peptide therapeutics is a novel approach researchers are presently exploring as it pro-vides prompt significant results and promotes a new insight towards dealing with conditions like MDR. Pantocin wh-1 is a peptide drug currently listed as an accessible anti-tuberculosis peptide, and this study suggests the repurposing of this drug as a viable treatment option for MRSA infections.

对抗耐甲氧西林金黄色葡萄球菌的计算机方法:用抑制剂肽靶向RelP蛋白以减轻耐药性。
背景:耐甲氧西林金黄色葡萄球菌(MRSA)以其对多种抗生素的耐药性而闻名,已成为全球主要的卫生问题。它通过催化报警激素(p)ppGpp和ppGpp的合成,促进应激条件下生物膜的形成。这些警报器的积累导致生物膜的形成并引起对抗生素的耐药性。方法:这种情况促使探索各种新的途径和方法来对抗MRSA感染。其中,肽疗法作为一种有前途的下一代治疗选择脱颖而出。本研究从抗菌肽数据库中获取90条抗菌肽,并利用Pep-draw服务器设计61条抗菌肽序列。这些肽序列是用不同的计算机工具筛选出来的。采用分子对接和分子动力学模拟技术研究了蛋白-肽分子相互作用。结果:在151个肽序列中,催产素wh1是最有希望的候选药物。分子相互作用研究和分子动力学模拟都证明了积极的结果。结论:肽疗法是研究人员目前正在探索的一种新方法,因为它提供了迅速的显著结果,并促进了对处理耐多药等疾病的新见解。催产素h-1是一种肽药物,目前被列为一种可获得的抗结核肽,本研究建议将这种药物作为MRSA感染的可行治疗选择。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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