Use of taq polymerase mutant enzymes for dna amplification...

C - Chemistry – Metallurgy – 12 – N

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C12N 9/12 (2006.01) C12P 19/34 (2006.01) C12Q 1/68 (2006.01)

Patent

CA 2664043

The present invention generally relates to gene detection in standard and real-time PCR. One aspect of the invention provides mutant DNA polymerase enzymes that are resistant to PCR inhibitors, such as dye, blood, and soil. Another aspect of the invention provides for methods of real-time polymerase chain reaction (PCR) assays using mutant DNA polymerase enzymes resistant to PCR inhibitors with samples containing dye, blood, and/or soil. Another aspect of the invention provides for methods of standard PCR assays using mutant DNA polymerase enzymes resistant to PCR inhibitors with samples containing blood and/or soil.

La présente invention concerne d'une manière générale la détection de gènes dans une PCR classique et en temps réel. Selon un aspect, l'invention concerne des enzymes mutantes de type ADN polymérase qui sont résistantes à des inhibiteurs de PCR, tels qu'un colorant, le sang, et des excréments. Selon un autre aspect, l'invention concerne des procédés d'analyse de la réaction en chaîne par polymérase (PCR) en temps réel qui utilisent des enzymes de type ADN polymérase mutantes, résistantes à des inhibiteurs de PCR, en présence d'échantillons contenant un colorant, du sang, et/ou des excréments. Selon un autre aspect encore, l'invention concerne des procédés d'analyse de PCR classique qui utilisent des enzymes de type ADN polymérase mutantes, résistantes à des inhibiteurs de PCR, en présence d'échantillons contenant du sang et/ou des excréments.

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