Journal Article

High fidelity TNA synthesis by Therminator polymerase

Justin K. Ichida, Allen Horhota, Keyong Zou, Larry W. McLaughlin and Jack W. Szostak

in Nucleic Acids Research

Volume 33, issue 16, pages 5219-5225
Published in print January 2005 | ISSN: 0305-1048
Published online January 2005 | e-ISSN: 1362-4962 | DOI: https://dx.doi.org/10.1093/nar/gki840

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Therminator DNA polymerase is an efficient DNA-dependent TNA polymerase capable of polymerizing TNA oligomers of at least 80 nt in length. In order for Therminator to be useful for the in vitro selection of functional TNA sequences, its TNA synthesis fidelity must be high enough to preserve successful sequences. We used sequencing to examine the fidelity of Therminator-catalyzed TNA synthesis at different temperatures, incubation times, tNTP ratios and primer/template combinations. TNA synthesis by Therminator exhibits high fidelity under optimal conditions; the observed fidelity is sufficient to allow in vitro selection with TNA libraries of at least 200 nt in length.

Journal Article.  4781 words.  Illustrated.

Subjects: Chemistry ; Biochemistry ; Bioinformatics and Computational Biology ; Genetics and Genomics ; Molecular and Cell Biology

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