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Updated: Mar 26, 2026

Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation

Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation

Published on: December 6, 2013

Minicells, Back in Fashion.

Madeline M Farley¹, Bo Hu¹, William Margolin²

¹Department of Pathology and Laboratory Medicine, The University of Texas Medical School at Houston, Houston, Texas, USA.

Journal of Bacteriology

|February 3, 2016

Summary

This summary is machine-generated.

Minicells offer a novel approach for high-resolution in situ structural studies of bacterial macromolecular complexes. This method overcomes limitations of cryo-electron tomography (cryo-ET) in thick specimens like E. coli.

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Area of Science:

Microbiology
Structural Biology
Biophysics

Background:

Cryo-electron tomography (cryo-ET) enables 3D visualization of macromolecular complexes in situ.
Specimen thickness limits cryo-ET resolution in many bacteria, hindering in situ structural studies.
Minicells, small bacterial anucleoids, present a unique model system for high-resolution imaging.

Purpose of the Study:

To review strategies for minicell production.
To highlight minicell applications in studying bacterial molecular machines.
To demonstrate minicells as a valuable tool for in situ structural microbiology.

Main Methods:

Review of minicell production strategies.
Analysis of minicell applications in studying chemotaxis, protein secretion, and DNA translocation.
Integration of minicells with genetic tools and advanced imaging techniques.

Main Results:

Minicells facilitate in situ visualization of macromolecular complexes.
The smaller size of minicells overcomes thickness limitations of cryo-ET.
Minicells enable high-resolution structural insights into bacterial processes.

Conclusions:

Minicells are a powerful model system for in situ structural studies of bacterial macromolecular complexes.
Combining minicells with advanced techniques provides novel structural insights into microbiology.
Minicells offer a unique approach to overcome cryo-ET limitations in bacteria like E. coli.