Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

An Update of Peptides With Therapeutic Potential Against Acinetobacter baumannii Infections

Version 1 : Received: 11 July 2023 / Approved: 11 July 2023 / Online: 12 July 2023 (09:32:08 CEST)

A peer-reviewed article of this Preprint also exists.

Rangel, K.; Lechuga, G.C.; Provance, D.W., Jr.; Morel, C.M.; De Simone, S.G. An Update on the Therapeutic Potential of Antimicrobial Peptides against Acinetobacter baumannii Infections. Pharmaceuticals 2023, 16, 1281. Rangel, K.; Lechuga, G.C.; Provance, D.W., Jr.; Morel, C.M.; De Simone, S.G. An Update on the Therapeutic Potential of Antimicrobial Peptides against Acinetobacter baumannii Infections. Pharmaceuticals 2023, 16, 1281.

Abstract

The rise of antibiotic-resistant strains of clinically important pathogens is a major threat to global health security. The World Health Organization (WHO) has recognized the urgent need to develop alternative treatments to address the growing list of priority pathogens. Antimicrobial peptides (AMPs) rank among the various suggested options with proven activity and a high potential to be developed into effective agents. Many AMPs are naturally produced by living organisms and protect the host against pathogens as a part of their innate immunity. Various mechanisms associated with their antimicrobial actions include cell membrane disruption, cell wall weakening, protein synthesis inhibition, and interference in nucleic acid dynamics that can induce apoptosis and necrosis. Acinetobacter baumannii is considered a critical pathogen, and severe clinical problems have appeared with isolates resistant to current antibiotic treatments and conventional control procedures such as UV light, disinfectants, and drying. Here, we review the natural AMPs representing the primary candidates for new anti-A. baumannii drugs in a post-antibiotic era and present the use of computational tools to develop the next generation of AMPs with greater microbicidal activity and reduced toxicity.

Keywords

AMP; Acinetobacter baumannii; resistance; action mechanism

Subject

Biology and Life Sciences, Biochemistry and Molecular Biology

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