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KMID : 0829320110140040144
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Korean Journal of Clinical Microbiology
2011 Volume.14 No. 4 p.144 ~ p.147
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First Isolation of Streptococcus gallolyticus subsp. pasteurianus from a Korean Patient with Severe Septic Shock
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Jeong Se-Ri
Park Ji-Yeon
Lee Yang-Soon
Yong Dong-Eun
Lee Kyung-Won
Chong Yun-Sop
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Abstract
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A 60-year-old man presented with a 1-day history of fever, vomiting, and diarrhea. He was diagnosed with severe septic shock on the basis of a body temperature of 38.9℃, heart rate of 92/min, respiratory rate of 25/min, WBC count of 22,970/μL, C-reactive protein (CRP) level of 136 mg/L, blood urea nitrogen (BUN) of 34.0 mg/dL, and creatinine of 2.98 mg/dL. On blood culture, Gram-positive cocci were detected in all 6 bottles. Small grayish non-hemolytic colonies were found on blood agar plates after incubation at 37℃ for 2 days. The isolates were negative for catalase and L-pyrrolidonyl-β-naphthylamide hydrolysis, and positive for bile-esculin and leucine aminopeptidase activity. The strain was identified as Streptococcus gallolyticus subsp. pasteurianus using Vitek 2 GP II systems. We performed 16S rRNA gene sequencing and detected 100% identity with S. gallolyticus subsp. pasteurianus strain CIP 107122T (1,345/1,345-bp). The patient recovered after receiving ampicillin-sulbactam. This is the first report of phenotypicand genetic identification of S. gallolyticus subsp. pasteurianus causing severe septic shock in a Korean patient
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KEYWORD
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Streptococcus gallolyticus subsp. pasteurianus, Septic shock, 16S rRNA gene sequencing
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