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Updated: Dec 29, 2025

Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing
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Extraintestinal Foodborne Pathogens.

Lee W Riley1

  • 1School of Public Health, University of California, Berkeley, California 94720, USA;

Annual Review of Food Science and Technology
|February 1, 2020
PubMed
Summary
This summary is machine-generated.

Common gut bacteria, Escherichia coli and Klebsiella pneumoniae, may be foodborne pathogens causing extraintestinal infections. Research explores their role in food contamination and public health.

Keywords:
ExPECIPECKlebsiella pneumoniaeextraintestinal pathogenic E. coliintestinal pathogenic E. colimultilocus sequence typepathotype

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Food Safety

Background:

  • Foodborne diseases typically cause gastrointestinal symptoms.
  • Certain bacteria like Escherichia coli and Klebsiella pneumoniae cause extraintestinal infections.
  • Recent evidence suggests these bacteria may also be foodborne.

Purpose of the Study:

  • To review the spectrum of extraintestinal illnesses caused by enteric pathogens.
  • To examine studies on the potential of extraintestinal pathogenic E. coli (ExPEC) and K. pneumoniae as foodborne pathogens.
  • To discuss the influence of global food systems on pathogen spread.

Main Methods:

  • Literature review of studies on enteric pathogens and extraintestinal infections.
  • Analysis of research linking E. coli and K. pneumoniae to foodborne transmission.
  • Examination of genotyping methods for pathogen identification and outbreak investigation.

Main Results:

  • Identified key bacterial lineages causing extraintestinal infections.
  • Highlighted epidemiologic links suggesting common foodborne exposure.
  • Reviewed evidence supporting ExPEC and K. pneumoniae as foodborne agents.

Conclusions:

  • Extraintestinal pathogenic E. coli and K. pneumoniae represent a potential food safety concern.
  • Global food production and distribution may facilitate the spread of these pathogens.
  • Further research is needed to understand and mitigate the foodborne transmission of these bacteria.