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http://dx.doi.org/10.11614/KSL.2013.46.3.360

Distribution Characteristics and Antibiotics Resistance of Enterococcus spp. in Nakdong River  

Seong, Jin-Uk (Department of Environmental Engineering, Kumoh National Institute of Technology)
Cha, Soon-Bae (Department of Environmental Engineering, Kumoh National Institute of Technology)
Ryu, Kwang-Hyun (Department of Laboratory Medicine, Samsung Medical Center)
Choi, Kwang-Soon (K-Water Research Institute)
Park, Je-Chul (Department of Environmental Engineering, Kumoh National Institute of Technology)
Publication Information
Korean Journal of Ecology and Environment / v.46, no.3, 2013 , pp. 360-366 More about this Journal
Abstract
This study was it conducted on effluent or river water close to discharge locations from a treatment plant, which were analyzed for the presence, phenotype and antibiotic resistance rates of Vancomycin Resistant Enterococci (VRE). The test results for isolation and identification of Enterococcus spp. showed that they all were VRE positive, with a total of 32 strains detected. Multiplex PCR was conducted for 32 strains, each of which were identified as E. faecium, and the results indicated that they were all confirmed as VRE, corresponding to the Van A phenotype. The results of E. faecium concentrations measured at various locations indicated that they were, on average, higher at the location of sewage treatment plants. The frequency of positive tests as well as the number of colonies was higher downstream of treatment plants. The minimum inhibitory concentration was inspected for 26 strains of discharged water samples from sewage water treatment plants, and 6 strains of river samples. Out of 19 antibiotics, 14 and 5 species showed resistance and sensitivity, respectively.
Keywords
Enterococcus; Vancomycin Resistant Enterococci; antibiotics;
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