JP2928992B

Amplification of short single or double stranded nucleic acid fragments is effected in the presence of a primer pair, a buffer (pH 7-9.5) and a combination of a thermophilic DNA polymerase (P1) with proofreading activity, and a thermophilic DNA polymerase (P2) without proofreading activity, after a...

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Hauptverfasser: FURAI BURUUNO, KYUUBURAA HIRUDEGUNTO
Format: Patent
Sprache:eng
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Zusammenfassung:Amplification of short single or double stranded nucleic acid fragments is effected in the presence of a primer pair, a buffer (pH 7-9.5) and a combination of a thermophilic DNA polymerase (P1) with proofreading activity, and a thermophilic DNA polymerase (P2) without proofreading activity, after a denaturing step in the case of double-stranded DNA fragments, chain extension is effected at least 70 degrees C for 30-240 sec.. Also claimed is an enzyme mixt. comprising polymerases of type P1 and P2 in a P1:P2 ratio of 1:10, where the concn. of the enzymes is calculated to give a final concn. of 2.0-3.0 U/volume of reaction mix.