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Correction: Coulter et al. OrgTRx: A Platform Developed in Queensland for the Extraction and Visualisation of Antimicrobial Susceptibility Data for the Surveillance of Resistance in Microorganisms. <i>Antibiotics</i> 2026, <i>15</i>, 63.

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Antibacterial Discovery: 21st Century Challenges.

Paul S Hoffman1

  • 1Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA.

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Summary

Finding new antibiotics is challenging due to resistance. This review explores novel drug targets and strategies to overcome resistance, focusing on specific pathogen groups for better success in discovering new antibacterial agents.

Keywords:
amixicileantibioticantibiotic resistancedrug targetspathogen group specific targets

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Area of Science:

  • Microbiology
  • Pharmacology
  • Drug Discovery

Background:

  • The golden age of antibiotic discovery concluded nearly 50 years ago, leaving a significant gap in novel drug development.
  • Antibiotic resistance is a major global health threat, rendering existing treatments ineffective.
  • Despite advanced strategies like genomics and bioinformatics, identifying new antibiotic classes remains challenging.

Purpose of the Study:

  • To address the difficulty in discovering new antibiotic classes and targets.
  • To investigate if novel targets can evade mutation-based drug resistance.
  • To explore strategies for developing 21st-century medicines against multidrug-resistant pathogens.

Main Methods:

  • Review of existing literature on antibiotic discovery platforms.
  • Analysis of mutation-based drug resistance mechanisms.
  • Examination of genomic and molecular approaches for target identification.
  • Evaluation of strategies focusing on specific pathogen subgroups.

Main Results:

  • Identified existing drug targets that show potential to evade resistance.
  • Highlighted intermediate spectrum strategies for antibiotic development.
  • Discussed modern molecular and genomic techniques to enhance discovery odds.
  • Proposed focusing on specific pathogen groups (e.g., Gram-negative bacteria) to increase the likelihood of finding common essential genes.

Conclusions:

  • Developing new antibiotics requires innovative approaches beyond repeating past strategies.
  • Targeting specific pathogen subgroups may yield a greater number of novel antibacterial agents.
  • Modern genomic and molecular methods are crucial for discovering new drugs to combat resistant infections.