Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Bacterial Gastroenteritis

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...

Stringent Response in E. coli

Stringent Response in E. coli

Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Derepression of the glyoxylate cycle in mutants of <i>Neurospora crassa</i> accelerated for growth on acetate.

Microbiology (Reading, England)·2021

Same author

Phage applications for improving food safety and infection control in Egypt.

Journal of applied microbiology·2017

Same author

Heterologous expression and kinetic characterisation of Neurospora crassa β-xylosidase in Pichia pastoris.

Enzyme and microbial technology·2014

Same author

Campylobacter bacteriophages and bacteriophage therapy.

Journal of applied microbiology·2011

Same author

Bacteriophage therapy to reduce Campylobacter jejuni colonization of broiler chickens.

Applied and environmental microbiology·2005

Same author

Correlation of Campylobacter bacteriophage with reduced presence of hosts in broiler chicken ceca.

Applied and environmental microbiology·2005

Search research articles

Related Experiment Video

Updated: Jul 13, 2026

Detection and Isolation of Campylobacter spp. from Raw Meat

Detection and Isolation of Campylobacter spp. from Raw Meat

Published on: February 23, 2024

Campylobacter succession in broiler chickens.

A El-Shibiny¹, P L Connerton, I F Connerton

¹Division of Food Sciences, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire, UK.

Veterinary Microbiology

|July 14, 2007

Summary

Campylobacter coli can outcompete Campylobacter jejuni in broiler chickens. This competitive advantage is influenced by the age of the chickens and the ratio of the bacterial inoculums, suggesting potential for population manipulation.

More Related Videos

Strategies to Enhance Cultivation of Anaerobic Bacteria from Gastrointestinal Tract of Chicken

Strategies to Enhance Cultivation of Anaerobic Bacteria from Gastrointestinal Tract of Chicken

Published on: May 10, 2024

Production of Germ-Free Fast-Growing Broilers from a Commercial Line for Microbiota Studies

Production of Germ-Free Fast-Growing Broilers from a Commercial Line for Microbiota Studies

Published on: June 18, 2020

Related Experiment Videos

Last Updated: Jul 13, 2026

Detection and Isolation of Campylobacter spp. from Raw Meat

Detection and Isolation of Campylobacter spp. from Raw Meat

Published on: February 23, 2024

Strategies to Enhance Cultivation of Anaerobic Bacteria from Gastrointestinal Tract of Chicken

Strategies to Enhance Cultivation of Anaerobic Bacteria from Gastrointestinal Tract of Chicken

Published on: May 10, 2024

Production of Germ-Free Fast-Growing Broilers from a Commercial Line for Microbiota Studies

Production of Germ-Free Fast-Growing Broilers from a Commercial Line for Microbiota Studies

Published on: June 18, 2020

Area of Science:

Veterinary Microbiology
Poultry Science
Bacterial Pathogenesis

Background:

Campylobacter jejuni is a common intestinal colonizer in chickens.
Campylobacter coli has been observed to replace C. jejuni in outdoor-reared commercial flocks.
Understanding interspecies competition is crucial for controlling Campylobacter colonization.

Purpose of the Study:

To investigate the competitive ability of Campylobacter coli OR12 against Campylobacter jejuni OR1 in broiler chickens.
To determine the factors influencing the displacement of C. jejuni by C. coli in vivo.
To explore the potential for competitive exclusion to manage Campylobacter populations in poultry.

Main Methods:

In vitro co-culture experiments to assess growth rates and competitive interactions.
In vivo colonization experiments in broiler chickens pre-colonized with C. jejuni.
Experimental inoculation of C. coli at varying ages and inoculum ratios post-C. jejuni colonization.

Main Results:

C. coli OR12 demonstrated competitive superiority over C. jejuni OR1 under specific conditions.
Successful displacement of C. jejuni by C. coli occurred when chickens were older than 27 days at inoculation and administered over a 4-day period.
C. coli OR12 also displaced three other C. jejuni strains from colonized chickens.

Conclusions:

Campylobacter coli possesses a competitive advantage over Campylobacter jejuni in broiler chickens.
Chicken age and inoculum ratio are critical factors in determining the outcome of Campylobacter interspecies competition.
Competitive exclusion strategies hold promise for manipulating Campylobacter populations in poultry.