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[摘要]：The triphosphate of the thymine derivative of 2'-amino-LNA (2'-amino-LNA-TTP) was synthesised and found to be a good substrate for Phusion (R) HF DNA polymerase, allowing enzymatic synthesis of modified DNA encoded by an unmodified template. To complement this, 2'-amino-LNA-T phosphoramidites were incorporated into DNA oligonucleotides which were used as templates for enzymatic synthesis of unmodified DNA using either KOD, KOD XL or Phusion polymerases. 2'-Amino-LNA-T in the template and 2'-amino-LNA-TTP as a substrate both decreased reaction rate and yield compared to unmodified DNA, especially for sequences with multiple 2'-amino-LNA-T nucleotides. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved. |
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