Isolation and identification of Escherichia coli O157:H7 using different detection methods and molecular determination by multiplex PCR and RAPD
2005
Kim, J.Y. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Kim, S.H. (Seoul National University, Seoul, Republic of Korea) | Kwon, N.H. (Seoul National University, Seoul, Republic of Korea) | Bae, W.K. (Seoul National University, Seoul, Republic of Korea) | Lim, J.Y. (Seoul National University, Seoul, Republic of Korea) | Koo, H.C. (Seoul National University, Seoul, Republic of Korea) | Kim, J.M. (Seoul National University, Seoul, Republic of Korea) | Noh, K.M. (Seoul National University, Seoul, Republic of Korea) | Jung, W.K. (Seoul National University, Seoul, Republic of Korea) | Park, K.T. (Seoul National University, Seoul, Republic of Korea) | Park, Y.H. (Seoul National University, Seoul, Republic of Korea), E-mail: [email protected]
Escherichia coli O157:H7 is recognized as a significant food-borne pathogen, so rapid identification is important for food hygiene management and prompt epidemiological investigations. The limited prevalence data on Shiga toxin-producing E. coli (STEC) and E. coli O157:H7 in foods and animals in Korea made an assessment of the risks difficult, and the options for management and control unclear. The prevalence of the organisms was examined by newly developed kit-E. coli O157:H7 Rapid kit. For the isolation of E. coli O157:H7, conventional culture, immunomagnetic separation, and E. coli O157:H7 Rapid kit were applied, and multiplex PCR and randomly amplified polymorphic DNA (RAPD) were performed for the molecular determination. There was high molecular relatedness among 11 Korean isolates and 17 U.S. strains at 63% level.
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