Development of multiplex-PCR assay for rapid detection of Candida spp.

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6 Citations (Scopus)

Abstract

Aim Candida spp. infection commonly occur in immunocompromised patients. Biochemical assay for identification of Candida spp. is time-consuming and shows many undetermined results. Specific detection for antibody, antigen and metabolites of Candida spp. had low sensitivity and specificity. In this study, we developed a rapid diagnostic method, Multiplex-PCR, to identify Candida spp. Methods Five Candida spp. isolates were cultured, identified with germ tube and API® 20 C AUX (BioMerieux® SA) kit. Furthermore, DNA was purified by QIAamp DNA mini (Qiagen®) kit for Multiplex-PCR assay. Results DNA detection limit by Multiplex-PCR assays for C. albicans, C. tropicalis, C. parapsilosis, C. krusei and C. glabrata were 4 pg, 0,98 pg, 0,98 pg, 0,5 pg and 16 pg respectively. This assay was also more sensitive than culture in that Multiplex-PCR could detect 2.6-2.9 x 100 CFU/ml, whereas culture 2.6-2.9 x 102 CFU/ml. Conclusion Multiplex-PCR is much more sensitive than culture and thus, can be recommended as a sens tive and specific assay for identification of Candida spp.

Original languageEnglish
Pages (from-to)83-87
Number of pages5
JournalMedical Journal of Indonesia
Volume19
Issue number2
DOIs
Publication statusPublished - 1 May 2010

Keywords

  • Candida spp.
  • Multiplex-PCR

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