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KMID : 1156220160420060409
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Journal of Environmental Health Sciences
2016 Volume.42 No. 6 p.409 ~ p.418
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Study on Antibiotic Resistant Bacteria in Surface Water Receiving Pharmaceutical Complex Effluent
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Kim Young-Jin
Kim Young-Gyu
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Abstract
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Objectives: The purpose of this study was to characterize penicillin G resistant bacteria in surface water from pharmaceutical complex effluent.
Methods: Surface water was sampled from pharmaceutical complex effluent in Gyeonggi-do Province, Korea in March 2015. Water samples were plated in triplicate on tryptic soy agar plates with 32 mg/L of penicillin G. Penicillin G resistant bacteria were selected from the effluent and subjected to 16S rRNA analysis for the penicillin G resistant species determination. Identified resistant strains were tested for resistance to various antibiotics.
Results: Penicillin G resistant bacteria were present at 8.0% in terms of culturable heterotrophic bacteria. Identified penicillin G resistant bacteria exhibited resistance to more than nine of the antibiotics studied. These resistant bacteria are gram negative and are closely related to pathogenic species.
Conclusion: Multi-antibiotic resistant bacteria in the surface water of pharmaceutical complex effluent suggest the need for disinfection and advanced oxidation processed for pharmaceutical effluent.
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KEYWORD
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aeromonads , multi-antibiotic resistant bacteria , penicillin G , pharmaceutical effluent , surface water
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