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KMID : 1101320090410020047
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Korean Journal of Clinical Laboratory Science
2009 Volume.41 No. 2 p.47 ~ p.51
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A Case of Cysteine-Requiring Escherichia coli Isolated from Urine Specimen
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Kang Ji-Sang
Joo Sae-Ick
Kim Eui-Chong
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Abstract
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A case of recurrent urinary tract infection by cysteine-requiring Escherichia coli in a 5-years-old child with congenital vesicoureteral reflux is described. This bacterium was not grown on MacConkey agar plate for overnight culture, and after 48hrs, tiny colonies were observed. These colonies were not identified by VITEK2 and Walkaway 96i without cysteine supplementation. The isolate was susceptible for cefotetan, ciprofloxacin and imipenem, and resistant for piperacillin/tazobactam, cephalothin, cefotaxime, ceftazidime, amikacin, gentamicin, and tobramycin.
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KEYWORD
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Cysteine-requiring Escherichia coli, Recurrent urinary tract infection
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