1.Molecular epidemiology of sequence type 33 of Shiga toxin-producing Escherichia coli O91:H14 isolates from human patients and retail meats in Korea
Jun Bong LEE ; Se Kye KIM ; Seon Mi WI ; Young Jae CHO ; Tae Wook HAHN ; Jae yon YU ; Sungsun KIM ; Sahyun HONG ; Jonghyun KIM ; Jang Won YOON
Journal of Veterinary Science 2019;20(1):87-90
Sequence type (ST) 33 of Shiga toxin-producing Escherichia coli (STEC) strain O91:H14 has been proposed as a potential domestic clone of STEC in Korea because of its high prevalence among human patients with mild diarrhea or asymptomatic carriers. Herein, the clonal diversity of 17 STEC O91:H14 isolates of ST33 during 2003 to 2014 was analyzed by pulsed-field gel electrophoresis, including 14 isolates from human patients and 3 from retail meats. Their virulence characteristics, acid resistance, and antimicrobial susceptibility were also determined. Our results showed that all isolates were clustered mainly into three different pulsotypes and were likely low pathogenic without antimicrobial resistance.
Clone Cells
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Diarrhea
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Electrophoresis, Gel, Pulsed-Field
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Escherichia coli
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Humans
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Korea
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Meat
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Molecular Epidemiology
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Prevalence
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Shiga Toxin
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Shiga-Toxigenic Escherichia coli
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Virulence