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. 1979 Jun;30(3):951–954. doi: 10.1128/jvi.30.3.951-954.1979

Optimal conditions for synthesis of long complementary DNA product with Moloney murine leukemia virus.

C Van Beveren, M Goulian
PMCID: PMC353410  PMID: 90169

Abstract

Studies are described on the interrelationships between divalent metals, dNTP's and PPi in determining the properties of complementary DNA (cDNA) product from the in vitro reverse transcriptase reaction with detergent-treated Moloney murine leukemia virus. In spite of the several-fold greater amount of cDNA product with Mn2+ than with Mg2+, net yield of high-molecular-weight cDNA was much greater with Mg2+ thant with Mn2+. This held true, as well, for the reactions containing excess dNTP or dNTP plus PPi, both of which (as has been reported for Mg2+) promote synthesis of high-molecular-weight cDNA product. Hif total dNTP concentration remained important for maximum high-molecular-weight product with Mg2+ and was not replaced by simply providing dNTP in excess over Mg2+. Under the conditions tested here, addition of PPi did not further increase cDNA product size with Mg2+ when compared with dNTP in excess over Mg2+. Extent of degradation of the RNA template during the incubations was correlated with the size of cDNA product.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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