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Updated: May 19, 2026
09:44
Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing
Published on: December 23, 2022
Pathogenic Escherichia coli and One Health implications
1CSIRO Animal, Food and Health Sciences, 671 Sneydes Rd, Werribee, VIC, 3030, Australia, Narelle.Fegan@csiro.au.
Current Topics in Microbiology and Immunology
|August 25, 2012
Summary
Enterohaemorrhagic Escherichia coli (EHEC) are dangerous pathogens found in animals that can spread to humans through contaminated food or contact. Addressing EHEC is crucial for One Health, protecting both animal and human well-being.
Area of Science:
- Microbiology
- Zoonotic Diseases
- Food Safety
Background:
- Escherichia coli (E. coli) are common gut bacteria in warm-blooded animals.
- Certain strains, like enterohaemorrhagic E. coli (EHEC), are significant human pathogens causing severe illness and death.
- EHEC poses a substantial One Health challenge due to its animal reservoir and transmission routes.
Purpose of the Study:
- To highlight the significance of EHEC as a zoonotic pathogen.
- To emphasize the importance of a One Health approach in managing EHEC.
- To discuss the transmission pathways of EHEC from animals to humans.
Main Methods:
- Review of existing literature on EHEC epidemiology and transmission.
- Analysis of outbreak data associated with E. coli.
- Identification of common sources and risk factors for EHEC infection.
Main Results:
- EHEC has a significant animal reservoir, particularly in cattle.
- Transmission occurs through consumption of contaminated animal products or contact with animal waste.
- Emerging sources include contaminated leafy green vegetables and sprouts.
Conclusions:
- EHEC is a critical zoonotic pathogen with significant public health implications.
- A One Health strategy is essential for controlling EHEC transmission and preventing outbreaks.
- Continued surveillance and improved food safety practices are necessary to mitigate risks.
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