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Extended-Spectrum Beta-Lactamase (ESBL)-Producing Escherichia coli Isolated from Flies in the Urban Center of Berlin, Germany

Author

Listed:
  • Wibke Wetzker

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany)

  • Yvonne Pfeifer

    (Robert Koch Institute, FG13 Nosocomial Pathogens and Antibiotic Resistance, 38855 Wernigerode, Germany)

  • Solvy Wolke

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany)

  • Andrea Haselbeck

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany
    International Vaccine Institute, Seoul 08826, Korea)

  • Rasmus Leistner

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany)

  • Axel Kola

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany)

  • Petra Gastmeier

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany)

  • Florian Salm

    (Institute of Hygiene and Environmental Medicine, Charité—Universitätsmedizin, 12203 Berlin, Germany
    National Reference Center for the Surveillance of Nosocomial Infections, Charité—Universitätsmedizin, 12203 Berlin, Germany)

Abstract

Background : The monitoring of antimicrobial resistance (AMR) in microorganisms that circulate in the environment is an important topic of scientific research and contributes to the development of action plans to combat the spread of multidrug-resistant (MDR) bacteria. As a synanthropic vector for multiple pathogens and a reservoir for AMR, flies can be used for surveillance. Methods : We collected 163 flies in the inner city of Berlin and examined them for extended-spectrum β-lactamase (ESBL)-producing Escherichia coli genotypically and phenotypically. Results : The prevalence of ESBL-producing E. coli in flies was 12.9%. Almost half (47.6%) of the ESBL-positive samples showed a co-resistance to ciprofloxacin. Resistance to carbapenems or colistin was not detected. The predominant ESBL-type was CTX-M-1, which is associated with wildlife, livestock, and companion animals as a potential major source of transmission of MDR E. coli to flies. Conclusions : This field study confirms the permanent presence of ESBL-producing E. coli in an urban fly population. For continuous monitoring of environmental contamination with multidrug-resistant (MDR) bacteria, flies can be used as indicators without much effort.

Suggested Citation

  • Wibke Wetzker & Yvonne Pfeifer & Solvy Wolke & Andrea Haselbeck & Rasmus Leistner & Axel Kola & Petra Gastmeier & Florian Salm, 2019. "Extended-Spectrum Beta-Lactamase (ESBL)-Producing Escherichia coli Isolated from Flies in the Urban Center of Berlin, Germany," IJERPH, MDPI, vol. 16(9), pages 1-9, April.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:9:p:1530-:d:227147
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    References listed on IDEAS

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    1. Tirza C Hendrik & Anne F Voor in ‘t holt & Margreet C Vos, 2015. "Clinical and Molecular Epidemiology of Extended-Spectrum Beta-Lactamase-Producing Klebsiella spp.: A Systematic Review and Meta-Analyses," PLOS ONE, Public Library of Science, vol. 10(10), pages 1-23, October.
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