Presence of carbepenemase-producing Enterobacteriaceae in the River Lambro basin, Italy: might sediment represent an important resistance reservoir?

River Lambro
Submitted: 4 May 2021
Accepted: 2 July 2021
Published: 20 July 2021
Abstract Views: 458
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In the last years, the rapid spread in anthropized ecosystems of pathogens which are resistant to carbapenem antibiotics has raised great concern. In this study, KPC-producing Klebsiella pneumoniae was found in the River Lambro in June 2019, whereas KPC-producing Klebsiella oxytoca and Citrobacter braakii were identified in untreated wastewaters. Susceptibility profiles indicated resistance to imipenem, ertapenem and meropenem. Different carbapenamase genes (blaKPC, blaNDM, blaVIM, blaOXA-48) were also found in the River Lambro, although not associated to living bacteria. The presence of a wide set of carbapenemase genes and resistant pathogens show that river sediments could act as a reservoir of antibiotic resistance potentially threatening human health.

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Citations

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How to Cite

Rimoldi, Sara Giordana, Francesca Romeri, Anna Gigantiello, Cristina Pagani, Luigi Viganò, Annunziata Calvagna, Alessandro Tamoni, Mafalda Maresca, Maria Rita Gismondo, and Fabrizio Stefani. 2021. “Presence of Carbepenemase-Producing Enterobacteriaceae in the River Lambro Basin, Italy: Might Sediment Represent an Important Resistance Reservoir?”. Journal of Limnology 80 (3). https://doi.org/10.4081/jlimnol.2021.2029.