Methods and compositions for generation of multiple copies...

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/68 (2006.01)

Patent

CA 2430329

The present invention provides novel isothermal methods of generating multiple copies of, detecting and/or quantifying nucleic acid sequences of interest based on limited primer extension or attachment of oligonucleotide pairs using composite RNA/DNA primers. Methods for generating multiple copies of and/ordetecting and/or quantifying nucleic acid sequences, wherein products of primer extension or attachment of oligonucleotide pairs comprising a cleavable portion are generated, and wherein cleavage of the products results in dissociation of cleaved products from target polynucleotides, are provided. The invention further provides compositions, kits and systems for practicing these methods.

La présente invention concerne de nouvelles méthodes isothermiques de génération de copies multiples de séquences d'acides nucléiques d'intérêt, de détection et/ou de quantification desdites séquences, en fonction de l'extension limitée de l'amorce ou de la fixation de paires d'oligonucléotides à l'aide d'amorces composites d'ARN/ADN. Cette invention a également trait à des méthodes de génération de copies multiples de séquences d'acides nucléiques, de détection et/ou de quantification desdites séquences, au moyen desquelles on engendre des produits d'extension d'amorces ou de fixation des paires d'oligonucléotides comportant une partie pouvant être clivée, et selon lesquelles le clivage des produits aboutit à la dissociation des produits clivés provenant des polynucléotides cibles. Cette invention concerne également des compositions, des trousses et des systèmes destinés à la mise en pratique de ces méthodes.

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