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Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
08:48

Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation

Published on: January 27, 2016

Natural cyclic depsipeptides and their analogs as potential antimicrobial candidates: mechanistic insight

Gautam Kumar1, Kritika Engle2

  • 1Department of Pharmacy, Vidya Vihar, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan 333031, India.

Bioorganic Chemistry
|August 10, 2026
PubMed

Insights

Cyclic depsipeptides show strong antimicrobial activity against resistant pathogens by targeting cell walls and inhibiting biofilms. These compounds offer a promising new strategy to combat rising antibiotic resistance in human infections.

Area of Science:

  • Microbiology
  • Biochemistry
  • Drug Discovery

Background:

  • Antimicrobial resistance is a growing global health threat due to the misuse of antibiotics.
  • Pathogens are evolving resistance, leading to increased mortality and socioeconomic impact.
  • Antimicrobial peptides (AMPs) offer alternative therapeutic strategies with diverse mechanisms of action.

Purpose of the Study:

  • To review recently identified cyclic depsipeptide-based antimicrobial candidates.
  • To highlight the potential of cyclic depsipeptides in combating drug-resistant infections.
  • To explore the molecular mechanisms underlying their antimicrobial efficacy.

Main Methods:

  • Literature review of recent studies on cyclic depsipeptides.
  • Analysis of the molecular structures and mechanisms of action of cyclic depsipeptides.
  • Evaluation of antimicrobial efficacy against bacterial, fungal, and parasitic pathogens.

Main Results:

  • Cyclic depsipeptides exhibit robust antimicrobial efficacy through multiple modes of action.
  • They target key cell wall components (e.g., lipid II, menaquinone) and inhibit biofilm formation and quorum sensing.
  • These compounds demonstrate a lower likelihood of resistance development compared to traditional antibiotics.

Conclusions:

  • Cyclic depsipeptides represent a promising molecular framework for developing novel antimicrobials.
  • Their distinct structure and mechanisms offer a viable solution against multidrug-resistant pathogens.
  • Further research into cyclic depsipeptides is crucial for addressing the challenge of infectious diseases.
Keywords:
AntibacterialAntifungalAntiprotozoalCyclic depsipeptidesMembranePeptides

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