Cited by 5,829Antimicrobial Peptides and ActivitiesAntimicrobial agents and applicationsInvertebrate Immune Response Mechanisms

Antimicrobial peptides: pore formers or metabolic inhibitors in bacteria?

Brogden, Kim A.·2005·Nature Reviews Microbiology

Abstract

Antimicrobial peptides are an abundant and diverse group of molecules that are produced by many tissues and cell types in a variety of invertebrate, plant and animal species. Their amino acid composition, amphipathicity, cationic charge and size allow them to attach to and insert into membrane bilayers to form pores by 'barrel-stave', 'carpet' or 'toroidal-pore' mechanisms. Although these models are helpful for defining mechanisms of antimicrobial peptide activity, their relevance to how peptides damage and kill microorganisms still need to be clarified. Recently, there has been speculation that transmembrane pore formation is not the only mechanism of microbial killing. In fact several observations suggest that translocated peptides can alter cytoplasmic membrane septum formation, inhibit cell-wall synthesis, inhibit nucleic-acid synthesis, inhibit protein synthesis or inhibit enzymatic activity. In this review the different models of antimicrobial-peptide-induced pore formation and cell killing are presented.

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Crossref · 10.1038/nrmicro1098

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  • Many AMPs are small cationic peptides binding to and interacting with the negatively charged membranes of microbes and are thereby able to kill the microbe through membrane disruption, whereas other AMPs inhibit bacterial metabolism or growth.

    “Many AMPs are small cationic peptides binding to and interacting with the negatively charged membranes of microbes and are thereby able to kill the microbe through membrane disruption, whereas other AMPs inhibit bacterial metabolism or growth.31,32”

    From The Innate Immune System in Acute and Chronic Wounds (2016) · cites this paper as [31]

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Authors
Brogden, K. A.
Affiliations
University of Iowa (US)
Corresponding author
Brogden, Kim A.
Venue
Nature Reviews Microbiology
Published
2005-03
Volume
3
Issue
3
Pages
238-250
ISSN
  • 1740-1526 (ISSN-L)
  • 1740-1534
OpenAlex
W1989998611
Cited by
5,829
References
163
Citations by year
2026: 225 · 2025: 260 · 2024: 261 · 2023: 273 · 2022: 363 · 2021: 394 · 2020: 400 · 2019: 353 · 2018: 345 · 2017: 360 · 2016: 342 · 2015: 327 · 2014: 296 · 2013: 291 · 2012: 275
FWCI
15.04
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Reviews Microbiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Dental and Craniofacial Research
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Antimicrobial Peptides and Activities
  • Physical Sciences › Chemistry › Organic Chemistry › Antimicrobial agents and applications
  • Life Sciences › Immunology and Microbiology › Immunology › Invertebrate Immune Response Mechanisms
Keywords
antimicrobial peptides, pore formation, membrane permeabilization, carpet mechanism, toroidal pores, cell wall synthesis inhibition, nucleic acid synthesis inhibition, protein synthesis inhibition, enzyme inhibition
MeSH terms
Animals, Anti-Bacterial Agents, Bacteria, Cell Membrane, Humans, Permeability, Protein Conformation, Drug Design, Bacterial Physiological Phenomena, Antimicrobial Cationic Peptides, Drug Resistance, Bacterial

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