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Natural Products and Antimicrobial Nanoparticles Against Methicillin-Resistant Staphylococcus aureus: Mechanisms,

Abdulaziz M Almuzaini1, Mahmoud Jaber2, Ayman Elbehiry2

  • 1Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia.

Pharmaceutics
|May 27, 2026
PubMed

Insights

Natural products and antimicrobial nanoparticles offer promising strategies to combat Methicillin-resistant Staphylococcus aureus (MRSA) infections. Combining these approaches enhances efficacy and delivery for improved MRSA treatment.

Area of Science:

  • Microbiology
  • Nanotechnology
  • Pharmacology

Background:

  • Methicillin-resistant Staphylococcus aureus (MRSA) poses significant clinical challenges due to antibiotic resistance, high virulence, and biofilm formation.
  • Existing antibiotic therapies are often ineffective against MRSA, necessitating novel treatment strategies.
  • Biofilm formation by MRSA complicates treatment by reducing antibiotic penetration and efficacy.

Purpose of the Study:

  • To review natural products and antimicrobial nanoparticles (NPs) as standalone and combined strategies against MRSA.
  • To explore the mechanisms of action for natural products and NPs in combating MRSA.
  • To assess the potential of nanotechnology-based applications for MRSA treatment and tissue repair.

Main Methods:

  • Literature review of natural products (plant metabolites, essential oils, peptides, fungal products) and antimicrobial NPs (metal, metal oxides).
  • Analysis of mechanisms including membrane disruption, cellular process interference, oxidative stress, and metal ion release.
  • Evaluation of combined strategies, green synthesis, nano-delivery systems, and nanotechnology-based applications.

Main Results:

  • Natural products and NPs exhibit antimicrobial activity against MRSA through various mechanisms.
  • Combination therapies enhance stability, delivery, and antibacterial effects, reducing required doses.
  • Nanotechnology offers platforms for localized, sustained MRSA treatment and tissue repair.

Conclusions:

  • Combining natural products with antimicrobial NPs presents a viable strategy to enhance MRSA treatment efficacy.
  • Further research is needed to address safety concerns, standardize NP properties, and establish regulatory frameworks for clinical translation.
  • Optimized design, rigorous safety evaluation, and clinical validation are crucial for the successful implementation of these novel therapies.
Keywords:
antibiotic resistanceantimicrobial nanoparticlesbiofilmdrug deliverymethicillin-resistant Staphylococcus aureusnanocarriersnatural productssynergistic therapy

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