Abstract
Bacterial functional amyloids, apart from their many other functions, can influence the resistance of bacteria to antibiotics and other antibacterial agents. Mechanisms of modulation of susceptibility of bacterial cells to antimicrobials can be either indirect or direct. The former mechanisms are exemplified by the contribution of functional amyloids to biofilm formation, which may effectively prevent the penetration of various compounds into bacterial cells. The direct mechanisms include the effects of bacterial proteins revealing amyloid-like structures, like the C-terminal region of the Escherichia coli Hfq protein, on the expression of genes involved in antibiotic resistance. Therefore, in this paper, we describe methods by which effects and mechanisms of action of bacterial amyloids on antibiotic resistance can be studied. Assessment of formation of biofilms, determination of the efficiency of antibiotic resistance in solid and liquid media, and determination of the effects on gene expression at levels of mRNA abundance and stability and protein abundance are described.
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Kubiak, K. et al. (2022). Determination of Effects and Mechanisms of Action of Bacterial Amyloids on Antibiotic Resistance. In: Arluison, V., Wien, F., Marcoleta, A. (eds) Bacterial Amyloids. Methods in Molecular Biology, vol 2538. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2529-3_13
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DOI: https://doi.org/10.1007/978-1-0716-2529-3_13
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