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Title: Development of TaqMan real-time polymerase chain reaction for the detection and identification of Penicillium marneffei
Authors: Sakorn Pornprasert
Jutarat Praparattanapan
Chantana Khamwan
Sudjai Pawichai
Parichat Pimsarn
Tanawan Samleerat
Pranee Leechanachai
Khunchai Supparatpinyo
Keywords: Medicine
Issue Date: 1-Nov-2009
Abstract: Penicillium marneffei is a dimorphic fungus, which is endemic in Southeast Asia and responsible for emerging opportunistic infections. Diagnosis of penicilliosis may be difficult when few yeast cells are present, while a gold standard diagnosis technique requires long-term culture. In order to provide a more rapid and accurate diagnosis, we developed a TaqMan real-time PCR to detect and identify P. marneffei DNA coding for 5.8S rRNA in purified yeast DNA and clinical samples. All P. marneffei DNA preparations could be detected using specific primers and TaqMan probe. The assay has a sensitivity to detect at least 10 yeast cells in seeded blood. Moreover, it can detect P. marneffei DNA in peripheral blood samples and blood-culture bottles. Therefore, the real-time PCR assay may represent a potential tool for early diagnosis of penicilliosis marneffei. © 2009 Blackwell Verlag GmbH.
ISSN: 14390507
Appears in Collections:CMUL: Journal Articles

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