Abstract
This study aimed to understand the prevalence, diversity, antibiotic resistance, β-lactamase gene types, and possibility of environmental survival of meropenem-resistant bacteria present in hospital effluents in Seoul, Korea. Water sampling was performed at five general hospitals in Seoul, Korea, in January 2017. Water samples were plated in triplicate on tryptic soy agar plates with 16 mg/L meropenem. Meropenem-resistant bacteria were selected and subjected to 16S rRNA analysis for species determination and PCR for identification of β-lactamase gene types. Resistant bacteria were cultured in sterilized surface water. Meropenem-resistant bacteria exhibited resistance to more than 12 antibiotics and possessed several β-lactamase genes, such as those encoding OXT-M, NDM-1, AmpC, and OXA. They were able to multiply and survive in sterilized surface water for up to 60 days. Multidrug-resistant bacteria represent an environmental health risk, as they can survive in the environment for an extended period of time. Therefore, these bacteria should be monitored before discharge.
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Funding
This research was supported by Basic Science Research Program through the National Research Foundation of Korean (NRF) funded by the Ministry of Science, ICT, and Future Planning (2018R1C1A1A02037363).
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Hwang, S.H., Kim, Y.J. Meropenem-resistant bacteria in hospital effluents in Seoul, Korea. Environ Monit Assess 190, 673 (2018). https://doi.org/10.1007/s10661-018-7071-y
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DOI: https://doi.org/10.1007/s10661-018-7071-y