Shiga Toxin-Producing Escherichia coli in Aquaculture: A Decade (2015-2025)-Long Global Retrospective Outlook
Abstract
Shiga toxin-producing Escherichia coli (STEC) contamination and proliferation in aquaculture and aquatic systems is worrisome for global food safety, as well as veterinary and public health. Traditionally linked with terrestrial ruminant reservoirs, aquaculture matrices, including farmed finfish, shellfish, culture water, and benthic organisms, are increasingly acknowledged as potential conduits for the dissemination of STEC. Herein, the review documented data concerning the prevalence, genomic composition, and ecological dynamics of STEC across various aquaculture environments across different regions of the globe. As a result, the persistence of virulence-associated genes (VAGs) and antibiotic-resistant genes (ARGs) in STEC within the aquaculture supply chain presents a considerable risk to global food security and public health, highlighting the urgent necessity for comprehensive "One Health" surveillance frameworks aimed at alleviating aquatic biosecurity challenges.
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