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Related Experiment Video

Updated: May 22, 2026

Isolation, Propagation, and Identification of Bacterial Species with Hydrocarbon Metabolizing Properties from Aquatic Habitats

Isolation, Propagation, and Identification of Bacterial Species with Hydrocarbon Metabolizing Properties from Aquatic Habitats

Published on: December 7, 2021

Accessing the inaccessible: molecular tools for bifidobacteria.

Zhongke Sun¹, Annika Baur, Daria Zhurina

¹Institute of Microbiology and Biotechnology, University of Ulm, Ulm, Germany.

Applied and Environmental Microbiology

|May 15, 2012

Summary

This review details molecular tools for creating genetically modified bifidobacteria. These recombinant strains hold promise for drug delivery and live vaccines, enhancing probiotic applications.

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Last Updated: May 22, 2026

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Published on: December 7, 2021

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Area of Science:

Microbiology
Molecular Biology
Biotechnology

Background:

Bifidobacteria are key human gut microbes with significant probiotic benefits.
They are widely used in healthcare and food industries and are generally recognized as safe (GRAS).
Emerging research highlights their potential in cancer therapy and as live vaccine vectors.

Purpose of the Study:

To review current molecular tools and methods for generating recombinant bifidobacteria strains.
To facilitate research into the beneficial mechanisms of bifidobacteria.
To enable the development of bifidobacteria for drug delivery and vaccine applications.

Main Methods:

Summarizing established protocols for bifidobacteria transformation.
Reviewing available replicons, selection markers, and expression determinants.
Discussing promoters, terminators, and localization signals for expression vector construction.

Main Results:

An overview of existing techniques for creating genetically engineered bifidobacteria.
Identification of essential components for constructing functional expression vectors.
Compilation of methods applicable to generating novel bifidobacterial strains.

Conclusions:

Appropriate molecular tools are crucial for advancing bifidobacteria research and applications.
This review provides a comprehensive guide to generating recombinant bifidobacteria.
Engineered bifidobacteria offer exciting possibilities for therapeutic and prophylactic strategies.