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Biofilm production has been implicated as a potential virulence factor of some Candida species responsible for catheter-related fungemia in patients receiving parenteral nutrition. We therefore compared clinical bloodstream isolates representing seven different Candida species to each other and to those from other anatomical sites for the capacity to form(More)
Multilocus sequence typing (MLST) has been successfully applied to the epidemiology of Candida albicans isolates not only within the hospital setting but also in multiple locations nationwide. We performed MLST to investigate the genetic relatedness among bloodstream infection (BSI) isolates of C. albicans recovered from 10 Korean hospitals over a 12-month(More)
PURPOSE The incidence of Candida bloodstream infections (BSI) has increased over the past two decades. The rank order of occurrence and the susceptibility to antifungals of the various Candida species causing BSI are important factors driving the establishment of empirical treatment protocols; however, very limited multi-institutional data are available on(More)
AIM To determine the prevalences of TTV and HGV infections among blood donors and patients with chronic liver disease in Korea, to investigate the association of TTV and HGV infections with blood transfusion, and to assess the correlation between TTV and HGV viremia and hepatic damage. METHODS A total of 391 serum samples were examined in this study.(More)
The Phoenix Yeast ID and Vitek 2-YST panels were compared using 351 molecularly identified yeast isolates. The Phoenix showed a comparable rate of correct identification for 4 common (Phoenix, 98%; Vitek, 94%) and 45 uncommon species (Phoenix, 70%; Vitek, 64%) and had a shorter mean identification time (6-7 h).
Most studies of mitochondrial DNA (mtDNA) mutations in colorectal cancer have used case-control and case-database comparisons without searching their clinical relevance. This study was to investigate colorectal cancer tissue-specific mtDNA mutations from 54 matched colorectal cancer and adjacent normal tissues and then to evaluate their clinical values.(More)
The echinocandin susceptibilities of bloodstream Candida isolates growing in a biofilm was investigated. Within the therapeutic range of concentrations of each drug, caspofungin and micafungin were active against biofilms formed by Candida albicans or C. glabrata but not those formed by C. tropicalis or C. parapsilosis.
We examined microevolution in a series of Candida albicans strains isolated from patients with catheter-related candidemia. Sixty-one isolates (29 from blood, 18 from catheters, 10 from urine, and 4 from other sites) were obtained from 15 patients who were admitted to the same hospital over a 3-year period. Isolates were analyzed by using Southern(More)
We report a case of fungemia caused by the yeast-form fungus Pichia ohmeriin a 59-year-old hospitalized patient. P. ohmeri was found in all of the patient's blood cultures collected on days 52, 57, 59, and 64 of his hospital stay. Intermittent fever developed on the 52nd hospital day and persisted for about 10 days. The patient had previously received(More)
Background. Candida haemulonii, a yeast species that often exhibits antifungal resistance, rarely causes human infection. During 2004-2006, unusual yeast isolates with phenotypic similarity to C. haemulonii were recovered from 23 patients (8 patients with fungemia and 15 patients with chronic otitis media) in 5 hospitals in Korea. Methods. Isolates were(More)