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Related Experiment Video

Updated: Dec 11, 2025

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Engineered bacteria to report gut function: technologies and implementation.

Tanmay Tanna1, Raghavendra Ramachanderan2, Randall J Platt3

  • 1Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland; Department of Computer Science, ETH Zurich, Universitätstrasse 6, 8092 Zürich, Switzerland.

Current Opinion in Microbiology
|August 23, 2020
PubMed
Summary
This summary is machine-generated.

Engineered bacteria act as whole-cell biosensors to monitor gut health non-invasively. These synthetic biology tools offer promising, accessible diagnostics for human disease by reporting on gut biomarkers.

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Area of Science:

  • Synthetic biology
  • Microbiology
  • Gastroenterology

Background:

  • Engineered bacteria can sense and report on biological signals.
  • Whole-cell bacterial biosensors offer in vivo monitoring for human health and disease.
  • The gut microbiota is accessible non-invasively via fecal samples.

Purpose of the Study:

  • To summarize engineering approaches for in vivo bacterial biosensors.
  • To highlight technologies for next-generation gut monitoring tools.
  • To explore bacterial biosensors for non-invasive disease diagnostics.

Main Methods:

  • Rational engineering of genetic circuits.
  • Development of disease-associated biomarkers.
  • In vivo studies in animal models.

Main Results:

  • Demonstrated engineered bacteria as effective in vivo sentinels.
  • Showcased bacterial biosensors as reporters of gut conditions.
  • Highlighted advancements in synthetic biology for biosensor design.

Conclusions:

  • Bacterial biosensors represent a promising non-invasive diagnostic approach for the gut.
  • Advances in synthetic biology enable sophisticated whole-cell sensing capabilities.
  • Future research focuses on enhancing biosensor design for improved disease monitoring.