Genetic variability of Shiga toxin-producing Escherichia coli strains isolated from Paraguayan cattle

Shiga toxin-producing Escherichia coli (STEC) can cause serious foodborne illnesses in humans. Cattle are a natural reservoir of STEC, and transmission to humans occurs through consuming contaminated food, direct contact between humans and animals, and from person to person through the fecal-oral ro...

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Bibliographic Details
Published inMicrobiology spectrum p. e0059625
Main Authors Salinas, Claudia, Rodriguez, Fátima, Muñoz-Barrera, Adrián, Lorenzo Salazar, José Miguel, González-Montelongo, Rafaela, Flores, Carlos, Guillén, Rosa
Format Journal Article
LanguageEnglish
Published United States American Society for Microbiology 14.08.2025
Subjects
Epidemiology
Research Article
cattle
Shiga toxin
Paraguay
Escherichia coli
whole-genome sequencing
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ISSN2165-0497
2165-0497
DOI10.1128/spectrum.00596-25

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Summary:Shiga toxin-producing Escherichia coli (STEC) can cause serious foodborne illnesses in humans. Cattle are a natural reservoir of STEC, and transmission to humans occurs through consuming contaminated food, direct contact between humans and animals, and from person to person through the fecal-oral route. This study analyzed the genetic variability of STEC strains from cattle in Paraguay. The findings highlight the genetic diversity of STEC in Paraguay and emphasize the need for continued monitoring, as livestock play a key role in the country's economy. Applying genomic surveillance can help improve food safety, prevent outbreaks, and protect public health.
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ISSN:2165-0497
2165-0497
DOI:10.1128/spectrum.00596-25