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Probing the Functional Interaction Interface of Lipopolysaccharide and Antimicrobial Peptides: A Solution-State NMR Perspective

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Lipopolysaccharide Transport

Part of the book series: Methods in Molecular Biology ((MIMB,volume 2548))

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Abstract

Antimicrobial peptides (AMPs) have been a topic of substantial research as the next-generation antibiotics. They have been extensively studied for the selectivity and action against microbial membrane lipids in imparting their targeted functioning. To determine the effectivity of the peptides against the Gram-negative pathogens, it is imperative to elucidate their role in interacting with the lipopolysaccharide moieties. Lipopolysaccharide is a major component of the outer membrane of the Gram-negative bacteria. It serves to protect the bacteria as well as govern the functionality of several antibacterial agents. It can prevent the access of the agents into the inner membrane of the bacteria, thus rendering them inactive. Several techniques have been employed to study the interaction for better designing of peptides; NMR spectroscopy is one of the most widely used techniques in determining the interactive properties of peptides with LPS as it can provide the details in atomistic level. NMR spectroscopy provides information about the structural and conformational changes as well as the dynamics of the interactions.

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  1. Department of Biophysics, Bose Institute, Kolkata, India

    Karishma Biswas & Anirban Bhunia

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  1. Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy

    Paola Sperandeo

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Biswas, K., Bhunia, A. (2022). Probing the Functional Interaction Interface of Lipopolysaccharide and Antimicrobial Peptides: A Solution-State NMR Perspective. In: Sperandeo, P. (eds) Lipopolysaccharide Transport. Methods in Molecular Biology, vol 2548. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2581-1_13

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