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Antimicrobial peptides: Sustainable application informed by evolutionary constraints

Xuan Chen1, Jinzhi Han2, Xixi Cai2

  • 1College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350108, China; College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China.

Biotechnology Advances
|June 25, 2022
PubMed

Insights

Antimicrobial peptides (AMPs) show promise against drug-resistant bacteria. Understanding bacterial resistance evolution is key to their sustainable use, potentially through AMP cocktails or nanomaterials.

Area of Science:

  • Microbiology
  • Biotechnology
  • Evolutionary Biology

Background:

  • Multidrug-resistant (MDR) bacteria pose a global health threat, necessitating novel antimicrobial strategies.
  • Antimicrobial peptides (AMPs) offer broad-spectrum activity and unique mechanisms, making them promising alternatives.
  • Sustainable AMP application requires understanding and mitigating resistance development.

Purpose of the Study:

  • To review the benefits, challenges, and opportunities of using AMPs against pathogenic bacteria.
  • To explore the evolutionary constraints on antimicrobial peptide resistance.
  • To identify strategies for sustainable AMP utilization.

Main Methods:

  • Literature review of AMPs, bacterial resistance mechanisms, and evolutionary principles.
  • Analysis of factors influencing AMP resistance acquisition in natural environments.
  • Evaluation of strategies like AMP cocktails and nanomaterial combinations.

Main Results:

  • AMPs present a viable alternative to conventional antibiotics due to their broad spectrum and novel mechanisms.
  • Bacterial resistance to AMPs is influenced by evolutionary constraints, including fitness costs and functional compatibility.
  • Strategies such as AMP cocktails and nanomaterial combinations can mitigate resistance development.

Conclusions:

  • Understanding evolutionary constraints on AMP resistance is crucial for their effective and sustainable deployment.
  • AMP cocktails and nanomaterial combinations represent promising approaches to overcome AMP resistance.
  • Proactive strategies are needed to prevent future AMP resistance crises, ensuring their long-term efficacy.
Keywords:
AMPsAntibiotic-free nanomaterialsBacterial resistanceCocktail therapyEvolutionary constraints

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