Retroviral Recombination and Reverse Transcription
Abstract
Recombination occurs at a high rate in retroviral replication, and its observation requires a virion containing two different RNA molecules (heterodimeric particles). Analysis of retroviral recombinants formed after a single round of replication revealed that (i) the nonselected markers changed more frequently than expected from the rate of recombination of selected markers; (ii) the transfer of the initially synthesized minus strand strong stop DNA was either intramolecular or intermolecular; (iii) the transfer of the first synthesized plus strand strong stop DNA was always intramolecular; and (iv) there was a strong correlation between the type of transfer of the minus strand strong stop DNA and the number of template switches observed. These data suggest that retroviral recombination is ordered and occurs during the synthesis of both minus and plus strand DNA.
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Science
Volume 250 | Issue 4985
30 November 1990
30 November 1990
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Published in print: 30 November 1990
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- Wei-Shau Hu,
- Howard M. Temin
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