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Updated: Feb 8, 2026

Rapid and Specific Detection of Acinetobacter baumannii Infections Using a Recombinase Polymerase Amplification/Cas12a-based System
Published on: April 25, 2025
Spread of blaCTX-M-15-Producing Enterobacteriaceae and OXA-23-Producing Acinetobacter baumannii Sequence Type 2 in
Yosra Mani1, Wejdene Mansour1,2, Agnese Lupo3
1Unité de recherche: Résistances bactériennes émergentes et sécurité des soins "UR12SP37," laboratoire de Microbiologie, Hôpital universitaire Sahloul, Sousse, Tunisia.
Abstract:
Bivalves are filter-feeding animals and markers of bacterial pollution. We report a massive spread of blaCTX-M-15 through dominant Escherichia coli and Klebsiella pneumoniae lineages and/or plasmid subtypes (F31:A4:B1) as well as the presence of OXA-23-producing Acinetobacter baumannii sequence type 2 (ST2) in seafood, highlighting a direct risk for the consumer. These findings should urge authorities to consider hospital effluents, and also farm and urban effluents, as important sources of extended-spectrum-beta-lactamase (ESBL)/carbapenemase producers that filter-feeding animals can concentrate and further spread to humans.
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