VERFAHREN ZUR POLYMERASEAKTIVITÄTSBESTIMMUNG
The invention relates to a method of quantitatively determining nucleic acid polymerase activity in a sample, comprising incubation of the sample with a natural or completely or partially synthetic polynucleotide template and a reagent solution containing the necessary substrates including at least...
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Zusammenfassung: | The invention relates to a method of quantitatively determining nucleic acid polymerase activity in a sample, comprising incubation of the sample with a natural or completely or partially synthetic polynucleotide template and a reagent solution containing the necessary substrates including at least one radiolabeled nucleoside triphosphate complementary to the template, separation of the template from the substrate, and measurement of the radioactivity incorporated into the template, which radioactivity is substantially proportional to the polymerase activity in the sample, and wherein, when a primer is required, the latter is either hybridized to the template from the start or added during the determination. According to the invention the template is immobilized to a carrier, said nucleoside triphosphate is labeled with a gamma-radiating isotope, and the measurement of the incorporated radioactivity is performed directly on the immobilized template without release thereof from the carrier. The invention also relates to a kit for determining of nucleic acid polymerase activity, comprising a carrier-bound template and a substrate labeled with a gamma-radiating isotope. |
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