Abstract
Fosfomycin-resistant FosA8-producing Enterobacterales are uncommon strains with extremely low incidence in Europe, based on only three reports in the literature. We detected FosA8-producing Escherichia coli ST131 in clinical isolates from two patients admitted in February 2023 to a rehabilitation unit in Italy. The occurrence of rare fosA-like genes in the high-risk clone ST131 is of clinical relevance. The dissemination of FosA-producing E. coli, although still at low levels, should be continuously monitored.
Keywords:
E. coli ST131; FosA8; Fosfomycin; Fosfomycin resistance,.
MeSH terms
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Anti-Bacterial Agents* / pharmacology
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Anti-Bacterial Agents* / therapeutic use
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Drug Resistance, Bacterial
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Escherichia coli Infections* / epidemiology
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Escherichia coli Infections* / microbiology
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Escherichia coli* / drug effects
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Escherichia coli* / genetics
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Escherichia coli* / isolation & purification
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Female
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Fosfomycin / pharmacology
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Fosfomycin / therapeutic use
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Humans
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Italy / epidemiology
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Male
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Microbial Sensitivity Tests
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Multilocus Sequence Typing
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beta-Lactamases / genetics
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beta-Lactamases / metabolism
Substances
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Anti-Bacterial Agents
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Fosfomycin
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beta-Lactamases