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Articles by Tania C. Sorrell
Total Records ( 3 ) for Tania C. Sorrell
  Xiaoyong Zhou , Fanrong Kong , Tania C. Sorrell , Hui Wang , Yiqun Duan and Sharon C. A. Chen
  A sensitive rolling-circle amplification (RCA)-based method utilizing species-specific padlock probes targeted to the internal transcribed spacer 2 region of the fungal ribosomal DNA gene complex was developed. The assay was rapid (2 hours) and specific. Of 28 fungal isolates (16 of Candida, six of Aspergillus, and six of Scedosporium spp.), all were all identified correctly.
  Anna Lau , Tania C. Sorrell , Sharon Chen , Keith Stanley , Jonathan Iredell and Catriona Halliday
  We describe the first development and evaluation of a rapid multiplex tandem PCR (MT-PCR) assay for the detection and identification of fungi directly from blood culture specimens that have been flagged as positive. The assay uses a short-cycle multiplex amplification, followed by 12 simultaneous PCRs which target the fungal internal transcribed spacer 1 (ITS1) and ITS2 region, elongation factor 1-α (EF1-α), and β-tubulin genes to identify 11 fungal pathogens: Candida albicans, Candida dubliniensis, Candida glabrata, Candida guilliermondii, Candida krusei, Candida parapsilosis complex, Candida tropicalis, Cryptococcus neoformans complex, Fusarium solani, Fusarium species, and Scedosporium prolificans. The presence or absence of a fungal target was confirmed by melting curve analysis. Identification by MT-PCR correlated with culture-based identification for 44 (100%) patients. No cross-reactivity was detected in 200 blood culture specimens that contained bacteria or in 30 blood cultures without microorganisms. Fungi were correctly identified in five specimens with bacterial coinfection and in blood culture samples that were seeded with a mixture of yeast cells. The MT-PCR assay was able to provide rapid (<2 h), sensitive, and specific simultaneous detection and identification of fungal pathogens directly from blood culture specimens.
  Anna Lau , Tania C. Sorrell , OkCha Lee , Keith Stanley and Catriona Halliday
  We developed a multiplex tandem PCR (MT-PCR) assay for the rapid identification of 16 fungi directly from culture. MT-PCR results were concordant with phenotypic identification for all cultures studied (n = 183). The colony MT-PCR assay was rapid (<2 h), sensitive, and specific in identifying fungal pathogens directly from primary isolation plates.
 
 
 
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