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May 3, 20260 citations

Antimicrobial resistance, conjugative plasmids and pathogenicity in wastewater and freshwater Escherichia spp. in Stockholm, Sweden.

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ANAnnie Justh de NeczpalKTKaisa ThorellLTLaurens Tuts

Key Points

  • This research aims to understand the role of wastewater treatment plants in the spread of antimicrobial resistance in E. coli.
  • Analyzed conjugative plasmid types in E. coli from wastewater and freshwater sources.
  • Measured transfer frequencies of different plasmid types.
  • Identified sources of multidrug resistance (MDR) in Escherichia spp.
  • IncF plasmids exhibited lower transfer frequencies compared to IncN and IncI1 plasmids.
  • WWTPs were identified as a major source of MDR E. coli.
  • Findings underscore the environmental impact of pathogenic E. coli dissemination.

Abstract

, were located on IncF, IncN, IncB/O/K/Z, and IncI plasmids, with IncF plasmids showing lower transfer frequencies than IncN and IncI1 conjugative plasmids. These findings identify WWTPs as a major source of MDR and pathogenic E. coli, highlighting their role in environmental dissemination.

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Cite This Study

Neczpal et al. (2026) studied this question.

synapsesocial.com/papers/69f6e6e68071d4f1bdfc784fhttps://doi.org/10.1038/s44259-026-00208-5
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The IncC and IncX1 resistance plasmids present in multi-drug resistant Escherichia coli strains isolated from poultry manure in Poland2024 · 1 citations
  2. 2The IncC and IncX1 resistance plasmids present in multi-drug resistant Escherichia coli strains isolated from poultry manure in Poland2024
  3. 3Surveillance of Escherichia coli clones and their antimicrobial resistance profiles in wastewater and drinking water treatment plants of Barcelona, Spain2026
  4. 4Characterization of an Escherichia coli ST156 Isolate Harboring an IncHI2-Type Plasmid Co-Carrying blaNDM-5 and mcr-1.1 Genes from Urban Wastewater Treatment Plants in Fengxian, Shanghai2026
  5. 5Exploring genetic variations and plasmid diversity in Escherichia coli strains isolated from Hospital Wastewater2026