期刊
JOURNAL OF MICROBIOLOGICAL METHODS
卷 51, 期 3, 页码 295-299出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-7012(02)00099-4
关键词
LightCycler; species-specific PCR; Leishmania
A LightCycler real-time polymerase chain reaction (PCR) assay has been developed to detect and differentiate four of the main Leishmania species of the Old World. The assay is based on fluorescence melting curve analysis of PCR products generated from the minicircles of kinetoplast DNA. According to the melting temperature, which is a function of GC/AT ratio, length and nucleotide sequences of the amplified product, Leishmania major was differentiated from L. donovani and from L. tropica and L. infantum. Melting curves analysis offers a rapid alternative for identification of species in diagnostic or epidemiological Studies of leishmaniasis or asymptomatic parasitism. (C) 2002 Elsevier Science B.V. All rights reserved.
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