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Related Experiment Video

Updated: Jul 5, 2026

Detection of Bacteria Using Fluorogenic DNAzymes
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Whole-cell aptamer-based techniques for rapid bacterial detection: Alternatives to traditional methods.

Juliette Nourry1, Pauline Chevalier1, Emmanuelle Laurenceau2

  • 1University Grenoble Alpes, DPM UMR 5063, CNRS, Grenoble F-38041, France.

Journal of Pharmaceutical and Biomedical Analysis
|January 10, 2025
PubMed
Summary

Rapid detection of whole bacteria using aptamer-based assays offers a promising alternative to traditional culture methods for combating antibiotic-resistant infections and improving public health surveillance.

Keywords:
AptamerBacteriaDetectionWhole-cell

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Area of Science:

  • Biotechnology
  • Microbiology
  • Analytical Chemistry

Background:

  • Antibiotic resistance poses a significant public health threat, necessitating rapid identification of pathogenic bacteria.
  • Conventional culture-based methods for bacterial detection are time-consuming and require specialized equipment.
  • Whole-cell bacterial detection offers a faster alternative, bypassing the need for culturing.

Purpose of the Study:

  • To review alternative methods for whole-cell bacterial detection.
  • To highlight the potential of nucleic acid aptamers as recognition elements in bacterial assays.
  • To explore the application of aptamer-based assays in various diagnostic platforms.

Main Methods:

  • Review of current literature on whole-cell bacterial detection techniques.
  • Emphasis on aptamer-based assays as a key alternative to antibodies.
  • Exploration of different transduction mechanisms (optical, electrochemical, mechanical) for aptamer assays.

Main Results:

  • Aptamers demonstrate superior stability, cost-efficiency, specificity, and affinity compared to antibodies.
  • Aptamer-based assays show promising results across diverse transduction methods.
  • These assays offer versatility for integration into various diagnostic platforms.

Conclusions:

  • Aptamer-based assays provide rapid, sensitive, and versatile solutions for pathogen identification.
  • They represent valuable tools for combating bacterial infections and enhancing public health.
  • The development of portable aptamer diagnostic platforms is a key area for future research.