Polynucleotide capture assay employing in vitro amplification

Details Polynucleotide capture assay employing in vitro amplification Polynucleotide capture assay employing in vitro amplification

C - Chemistry, Metallurgy

12

Q

C12Q 1/68 (2006.01) C12Q 1/70 (2006.01)

Patent

CA 2078863

2078863 9114788 PCTABS00007 An analyte polynucleotide strand having an analyte sequence is detected within a sample containing polynucleotides by contacting the analyte polynucleotide with a capture probe under hybridization conditions, where the capture probe has a first binding partner specific for a solid-phase second binding partner. The resulting duplex is then immobilized by specific binding between the binding partners, and non-bound polynucleotides are separated from the bound species. The analyte polynucleotide is optionally displaced from the solid phase, then amplified by PCR. The PCR primers each have a polynucleotide region capable of hybridizing to a region of the analyte polynucleotide, and at least one of the primers further has an additional binding partner capable of binding a solid-phase binding partner. The amplified product is then separated from the reaction mixture by specific binding between the binding partners, and the amplified product is detected.

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