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Method for producing primed nucleic acid templates

  • US 5,773,257 A
  • Filed: 06/06/1995
  • Issued: 06/30/1998
  • Est. Priority Date: 10/24/1989
  • Status: Expired due to Term
First Claim
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1. A method of preparing a strand of nucleic acid having a nucleotide sequence substantially complementary to a template nucleic acid, which method comprises:

  • (a) forming a primer extension reaction admixture whereby nonspecific hybridization of polynucleotide synthesis primer is reduced by admixing said template nucleic acid with a hybridization effective amount of (i) said polynucleotide synthesis primer having a nucleotide sequence complementary to a portion of the template nucleic acid, (ii) an isolated single-stranded nucleic acid binding protein (SSB), (iii) a divalent cation, and (iv) an enzyme capable of inducing polynucleotide synthesis in the presence of a primed template; and

    (b) maintaining the primer extension reaction admixture under polynucleotide synthesizing conditions for a time period sufficient for said enzyme to produce a primer extension product, thereby producing said strand of nucleic acid.

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