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Related Experiment Video

Updated: May 11, 2026

Live-Cell Imaging of the Life Cycle of Bacterial Predator Bdellovibrio bacteriovorus using Time-Lapse Fluorescence Microscopy

Live-Cell Imaging of the Life Cycle of Bacterial Predator Bdellovibrio bacteriovorus using Time-Lapse Fluorescence Microscopy

Published on: May 8, 2020

Predatory bacteria: a potential ally against multidrug-resistant Gram-negative pathogens.

Daniel E Kadouri¹, Kevin To, Robert M Q Shanks

¹Department of Oral Biology, University of Medicine and Dentistry of New Jersey, Newark, New Jersey, United States of America. kadourde@umdnj.edu

|May 8, 2013

Summary

Predatory bacteria like Bdellovibrio and Micavibrio can attack multidrug-resistant Gram-negative pathogens. These natural predators may offer new therapeutic options when conventional antibiotics fail against resistant infections.

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Live-Cell Imaging of the Life Cycle of Bacterial Predator Bdellovibrio bacteriovorus using Time-Lapse Fluorescence Microscopy

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Generating Transposon Insertion Libraries in Gram-Negative Bacteria for High-Throughput Sequencing

Generating Transposon Insertion Libraries in Gram-Negative Bacteria for High-Throughput Sequencing

Published on: July 7, 2020

Area of Science:

Microbiology
Bacteriology
Antimicrobial Resistance

Background:

Multidrug-resistant (MDR) Gram-negative bacteria pose a significant global health threat.
Existing treatments are becoming less effective against these resistant pathogens.
Predatory bacteria, such as Bdellovibrio spp. and Micavibrio spp., naturally prey on Gram-negative bacteria.

Purpose of the Study:

To investigate the predatory capabilities of Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus against clinical isolates of MDR Gram-negative bacteria.
To provide empirical data supporting the potential use of predatory bacteria as an alternative therapeutic strategy.

Main Methods:

Predation experiments were conducted using Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus.
Target pathogens included clinical strains of MDR Gram-negative bacteria, specifically those producing ß-lactamases.
Bacterial interactions and predatory efficacy were observed and analyzed.

Main Results:

Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus demonstrated the capacity to prey on clinical MDR Gram-negative bacterial strains.
Predatory activity was maintained irrespective of the bacteria's specific antimicrobial resistance mechanisms.
Successful predation was observed against various ß-lactamase-producing MDR Gram-negative bacteria.

Conclusions:

Predatory bacteria exhibit potential as a viable therapeutic approach against MDR Gram-negative infections.
These findings support the use of Bdellovibrio and Micavibrio as novel agents when standard antibiotics are ineffective.
Further research into predatory bacteria could lead to new treatments for challenging bacterial infections.