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. 1982 Aug;43(2):482–488. doi: 10.1128/jvi.43.2.482-488.1982

Polypurine tract adjacent to the U3 region of the Rous sarcoma virus genome provides a cis-acting function.

J Sorge, S H Hughes
PMCID: PMC256151  PMID: 6180180

Abstract

The v-src coding region was deleted from cloned Rous sarcoma virus DNA, and the deleted clones were tested for infectivity by transfection. All of the coding region, as well as most of the sequences lying between v-src and the unique 3' region (U3), could be deleted without affecting viability. However, at least 9 and at most 29 of the nucleotides in the purine-rich tract adjacent to U3 were necessary for growth, even in the presence of a helper virus. It is concluded that these nucleotides (the polypurine tract) provide a cis-acting function necessary for retrovirus replication.

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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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