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Related Concept Videos

Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...

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Updated: May 10, 2026

Rapid Antimicrobial Susceptibility Testing by Stimulated Raman Scattering Imaging of Deuterium Incorporation in a Single Bacterium
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Published on: February 14, 2022

Progress on the development of rapid methods for antimicrobial susceptibility testing.

Marina R Pulido1, Meritxell García-Quintanilla, Reyes Martín-Peña

  • 1Unit of Infectious Diseases, Microbiology, and Preventive Medicine and Biomedical Institute of Seville (IBiS), University Hospital Virgen del Rocío/CSIC/University of Sevilla, Avenida Manuel Siurot s/n 41013, Seville, Spain.

The Journal of Antimicrobial Chemotherapy
|July 3, 2013
PubMed
Summary

Rapid antimicrobial susceptibility testing methods are emerging to combat rising antibiotic resistance. While promising, their clinical utility requires further validation against standard phenotypic tests.

Keywords:
antibiotic resistancebacteriasusceptibility testing

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Diagnostics

Background:

  • Antimicrobial susceptibility testing (AST) is crucial for treating bacterial infections, especially with increasing antibiotic resistance.
  • Current phenotypic methods are sensitive but require pathogen isolation and lengthy incubation.
  • Molecular insights into resistance have spurred development of rapid detection techniques.

Purpose of the Study:

  • To review recent advancements in rapid antimicrobial susceptibility testing methods.
  • To highlight the limitations and challenges of these novel approaches for clinical adoption.

Main Methods:

  • Review of various rapid AST techniques including PCR, mass spectrometry, microarrays, microfluidics, cell lysis, and whole-genome sequencing.
  • Comparison of novel methods with standard phenotypic resistance testing.

Main Results:

  • Several novel methods show potential for rapid resistance detection in bacterial pathogens.
  • Sensitivity and specificity of these rapid methods compared to standard phenotypic testing need further evaluation.

Conclusions:

  • Novel rapid AST methods offer promise for faster diagnosis and treatment guidance.
  • Further research is necessary to establish the clinical validity and routine applicability of these techniques.