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Recent advances in bacteriophage-based methods for bacteria detection.

Łukasz Richter1, Marta Janczuk-Richter1, Joanna Niedziółka-Jönsson1

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Bacteriophages, viruses that infect bacteria, offer specific and cost-effective detection for biosensors. This review highlights recent advances in whole-virion bacteriophage applications for rapid bacteria detection in various fields.

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Area of Science:

  • Biotechnology
  • Biosensor Technology
  • Microbiology

Background:

  • Bacterial infections pose significant socioeconomic burdens across healthcare, industry, and security.
  • Bacteriophages (phages) are viruses that infect bacteria, offering specific, robust, and cost-effective recognition elements for detection assays.
  • Whole virions are increasingly utilized as biorecognition agents in bacteriophage-based biosensors.

Purpose of the Study:

  • To review recent advancements (past three years) in bacteriophage-based biosensors utilizing whole virions.
  • To explore fundamental principles and diverse designs of bacteriophage biosensors.
  • To consolidate knowledge on phage lysis, phage capture assays, and phage-based sensing layers.

Main Methods:

  • Literature review focusing on developments within the last three years.
  • Categorization of bacteriophage biosensor designs based on their application (lysis, capture, sensing layers).
  • Analysis of fundamental principles and recent innovations in whole virion bacteriophage applications.

Main Results:

  • Whole virion bacteriophages demonstrate significant potential as recognition elements in biosensors.
  • Diverse applications include using phage lysis as an analytical signal, phages as capturing agents, and phage-based sensing layers.
  • Recent developments show promise for faster and more reliable bacteria detection.

Conclusions:

  • Whole virion bacteriophage-based biosensors represent a promising frontier in rapid and specific bacteria detection.
  • Continued research and development in this area can lead to significant improvements in diagnostics and monitoring.
  • The specificity and cost-effectiveness of bacteriophages make them ideal for addressing the challenges of bacterial infections.