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  • Title: An alternative method for the synthesis of competitor RNA transcripts useful for specific detection and quantitation of dengue virus serotype 2 genome and replicative intermediate RNA.
    Author: Vaughan G, Gonzalez-Hernandez Y, Gudino JC, Olivera H, Landa-Piedra A, Escobar-Gutierrez A.
    Journal: J Virol Methods; 2008 Sep; 152(1-2):72-6. PubMed ID: 18597860.
    Abstract:
    The development of a quantitative-competitive reverse transcription-PCR (RT-PCR) assay to quantify dengue virus (DEN) genome (vRNA) and its replicative intermediate RNA (vRI) is described. A highly conserved region located on the DEN capsid-premembrane genes was used to produce a competitor RNA molecule which contains an internal deletion of 70 nucleotides. The competitor provides a suitable internal control useful to quantify viral RNA from all four dengue virus (DEN 1-4) serotypes. The detection limit of the assay was found to be 100 copies per reaction. This is a rapid, simple, sensitive, inexpensive and easy method for quantitation of DEN RNA species.
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