Methods for sensitive detection of reverse transcriptase

C - Chemistry – Metallurgy – 12 – Q

Patent

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C12Q 1/70 (2006.01) C12Q 1/48 (2006.01) C12Q 1/68 (2006.01) C12N 7/00 (2006.01) C12N 7/01 (2006.01)

Patent

CA 2211165

The present invention provides a method for detecting the presence of a retrovirus in a biological sample comprising the steps of : a) contacting the biological sample with an RNA template and a complementary DNA primer under conditions whereby the RNA template and the DNA primer will anneal and a DNA strand will be synthesized as an extension from the DNA primer if reverse transcriptase is present in the sample; b) amplifying the synthesized DNA; and c) detecting the amplification of the synthesized DNA, the amplification of the synthesized DNA indicating the presence of reverse transcriptase in the biological sample, thus indicating the presence of a retrovirus in the biological sample.

L'invention concerne un procédé servant à détecter la présence d'un rétrovirus dans un spécimen biologique consistant en les étapes suivantes: a) mise en contact du spécimen biologique avec une matrice d'ARN et avec une amorce complémentaire d'ADN dans des conditions permettant l'hybridation de la matrice d'ARN et de l'amorce d'ADN, ainsi que la synthèse d'un brin d'ADN en tant qu'extension à partir de l'amorce d'ADN si une transcriptase inverse est présente dans le spécimen; b) amplification de l'ADN synthétisé; c) détection de l'amplification de l'ADN synthétisé, ladite amplification indiquant la présence d'une transcriptase inverse dans le spécimen biologique, ce qui indique la présence d'un rétrovirus dans ledit spécimen.

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