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Nucleic acid detection methods using universal priming

  • US 20040224352A1
  • Filed: 06/09/2004
  • Published: 11/11/2004
  • Est. Priority Date: 02/07/2000
  • Status: Abandoned Application
First Claim
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1. A method for determining the identification of a nucleotide at a detection position in a target sequence, comprising:

  • (a) hybridizing a target sequence with a probe set to form a hybridization complex, said probe set comprising a first probe having a first portion containing an upstream universal priming site (UUP), a second portion containing a first target specific sequence and a detection position, and a second probe having a first portion containing a downsteam universal priming site (DUP) and a second portion containing a second target specific sequence, wherein said probe set further comprises at least one adapter sequence;

    (b) contacting said hybridization complex with a ligase to form a ligated hybridization complex;

    (c) removing non-hybridized probe sets;

    (d) amplifying said ligated hybridization complex with a universal primer pair to form amplicons;

    (e) immobilizing said amplicons to a solid support;

    (f) contacting said immobilized amplicons with a detection label, wherein the mass of said detection label is indicative of said nucleotide at said detection position, and (g) determining a nucleotide at said detection position.

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