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Published on: February 14, 2022
Metabolism-Based Biomarkers for Rapid Phenotypic Antibiotic Susceptibility Testing
Sha Yu1, Bayinqiaoge1, Xi Lu1
1Digital Health and Biomedical Engineering, School of Electronics and Computer Science, University of Southampton, Southampton, UK.
Summary
Metabolism-based antibiotic susceptibility testing (AST) offers a rapid alternative to conventional methods. This approach detects bacterial metabolic shifts for quick and precise results, addressing the urgent need for faster antimicrobial resistance diagnostics.
Area of Science:
- Microbiology
- Biochemistry
- Medical Diagnostics
Background:
- Antimicrobial resistance (AMR) is a growing global health crisis.
- Current antibiotic susceptibility testing (AST) methods are too slow or unreliable.
- Metabolism-based AST is an emerging technique for rapid diagnostics.
Purpose of the Study:
- To review the latest advances in metabolism-based biomarkers for rapid AST.
- To discuss the link between antibiotic action, bacterial metabolism, and resistance.
- To highlight challenges and future directions for metabolism-based AST.
Main Methods:
- Review of current literature on metabolism-based AST.
- Analysis of how antibiotics affect bacterial metabolic activity.
- Categorization of metabolic biomarkers based on physiological function.
Main Results:
- Antibiotics induce measurable changes in bacterial metabolism.
- Metabolic biomarkers include nutrient uptake, respiration, and enzymatic function.
- Metabolism-based AST can determine susceptibility within hours or minutes.
Conclusions:
- Metabolism-based AST offers a promising solution for rapid diagnostics.
- Further development is needed for deployable AST platforms.
- This approach bridges the speed of molecular methods with phenotypic accuracy.
