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Updated: Jul 10, 2026

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface

Published on: July 4, 2018

Engineering commensal microbes for host health.

Elizabeth A Brown¹, Arianna Brevi¹, David M Zong¹

¹Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA.

Cell Host & Microbe

|July 8, 2026

Summary

Engineered live biotherapeutic products (eLBPs) are programmable microbes for disease treatment. This review covers eLBP progress, design factors, and challenges for future clinical translation.

Keywords:

CRISPR-associated transposases Engraftment Escherichia coli Nissle 1917 Quorum sensing auxotrophy calprotectin curli fibers horizontal gene transfer kill switches memory circuits mucosal delivery porphyrin

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Isolation and Characterization of the Natural Microbiota of the Model Nematode Caenorhabditis elegans

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Published on: August 17, 2022

Area of Science:

Microbiology
Synthetic Biology
Biotechnology

Background:

Engineered live biotherapeutic products (eLBPs) are programmable microbial therapies.
Advances in microbiome science and synthetic biology enable engineered bacteria for therapeutic applications.

Purpose of the Study:

To review recent progress in eLBP development for various diseases.
To highlight key design factors and challenges for eLBP translation.

Main Methods:

Review of current literature on eLBP design and applications.
Analysis of chassis selection, DNA delivery, therapeutic expression, and biocontainment strategies.
Examination of clinical study outcomes and in vivo performance.

Main Results:

eLBPs show promise across inflammatory diseases, metabolic disorders, cancer, and infectious diseases.
Successful eLBP design requires careful consideration of chassis, delivery, expression, and containment.
Early clinical trials indicate favorable safety profiles for eLBPs.

Conclusions:

Challenges in predictable colonization, durable activity, and biocontainment need addressing.
A framework for rational design is proposed to advance next-generation eLBPs.
Further research is needed to reliably translate eLBPs from experimental systems to clinical practice.