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. 1992 Oct 25;20(20):5443–5450. doi: 10.1093/nar/20.20.5443

Temperature-dependent template switching during in vitro cDNA synthesis by the AMV-reverse transcriptase.

M Ouhammouch 1, E N Brody 1
PMCID: PMC334354  PMID: 1279521

Abstract

Reverse transcriptase template switching has been invoked to explain several aspects of retroviral replication and recombination, and has been reported in vitro for the Moloney murine leukemia virus (M-MuLV) reverse transcriptase. During in vitro cDNA synthesis, the avian myeloblastosis virus (AMV) reverse transcriptase can switch from one template to another in a homology-dependent and temperature-dependent manner. Chimeric cDNA molecules are generated within 30 min at high incubation temperatures, with an increasing efficiency from 42 degrees C to 50 degrees C. Such products are detectable only after much longer incubation times when primer extension reactions are carried out at lower temperatures (90 min at 37 degrees C).

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