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. 1978 Nov;75(11):5329-33.
doi: 10.1073/pnas.75.11.5329.

Sodium pyrophosphate inhibition of RNA.DNA hybrid degradation by reverse transcriptase

J C Myers, S Spiegelman

Sodium pyrophosphate inhibition of RNA.DNA hybrid degradation by reverse transcriptase

J C Myers et al. Proc Natl Acad Sci U S A. 1978 Nov.

Abstract

Sodium pyrophosphate inhibits synthesis of anticomplementary DNA during a reverse transcriptase (RNA-directed DNA nucleotidyltransferase, EC 2.7.7.7) catalyzed reaction. In the presence of pyrophosphate, the complementary DNA remains stably complexed to the RNA template. In the absence of pyrophosphate, the DNA. RNA hybrid template is degraded and anticomplementary DNA is synthesized. High concentrations of additives containing phosphodiester bonds appear to inhibit the ribonuclease H activity (hybrid nuclease, EC 3.1.4.34) of the reverse transcriptase, therby preventing formation of RNA primers necessary for the synthesis of anticomplementary DNA.

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References

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