A new defective retroviral vector system based on the bryan strain of rous sarcoma virus

Cornelius F. Boerkoel, Mark J. Federspiel, Donald W. Salter, William Payne, Lyman B. Crittenden, Hsing Jien Kung, Stephen H. Hughes

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We have constructed a helper cell line and vector system based on the Bryan high titer (BH) strain of Rous sarcoma virus (RSV). BH-RSV is a defective virus which lacks an env gene; however, if env is supplied in trans, it replicates to a very high titer. Like BH-RSV, the vector contains gag and pol genes and lacks an env gene. The helper cell line supplies env in trans and permits the production of infectious virions. To construct the helper cell line the subgroup A env gene from the Schmidt-Ruppin-A (SRA) RSV was stably transfected into Qt6 cells, a chemically transformed quail fibroblast line. To minimize homology between the vector and helper cell line, transcription of the env gene is driven by a MuLV LTR, and 3′ processing is controlled by the simian virus 40 (SV40) polyadenylation signal. This combination of vector and helper cells can be used to produce high-titer viral stocks in which recombinant replication-competent virus have not been detected even when the stocks were used to inoculate chickens. This system should be useful for developing transgenic chickens, studying cell lineage, and introducing genes into cultured cells.

Original languageEnglish
Pages (from-to)669-679
Number of pages11
JournalVirology
Volume195
Issue number2
DOIs
Publication statusPublished - Jan 1 1993
Externally publishedYes

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Rous sarcoma virus
env Genes
Helper-Inducer T-Lymphocytes
Cell Line
Chickens
pol Genes
gag Genes
Defective Viruses
Polyadenylation
Quail
Simian virus 40
Cell Lineage
Virus Replication
Virion
Cultured Cells
Fibroblasts
Genes

ASJC Scopus subject areas

  • Virology

Cite this

Boerkoel, C. F., Federspiel, M. J., Salter, D. W., Payne, W., Crittenden, L. B., Kung, H. J., & Hughes, S. H. (1993). A new defective retroviral vector system based on the bryan strain of rous sarcoma virus. Virology, 195(2), 669-679. https://doi.org/10.1006/viro.1993.1418

A new defective retroviral vector system based on the bryan strain of rous sarcoma virus. / Boerkoel, Cornelius F.; Federspiel, Mark J.; Salter, Donald W.; Payne, William; Crittenden, Lyman B.; Kung, Hsing Jien; Hughes, Stephen H.

In: Virology, Vol. 195, No. 2, 01.01.1993, p. 669-679.

Research output: Contribution to journalArticle

Boerkoel, CF, Federspiel, MJ, Salter, DW, Payne, W, Crittenden, LB, Kung, HJ & Hughes, SH 1993, 'A new defective retroviral vector system based on the bryan strain of rous sarcoma virus', Virology, vol. 195, no. 2, pp. 669-679. https://doi.org/10.1006/viro.1993.1418
Boerkoel CF, Federspiel MJ, Salter DW, Payne W, Crittenden LB, Kung HJ et al. A new defective retroviral vector system based on the bryan strain of rous sarcoma virus. Virology. 1993 Jan 1;195(2):669-679. https://doi.org/10.1006/viro.1993.1418
Boerkoel, Cornelius F. ; Federspiel, Mark J. ; Salter, Donald W. ; Payne, William ; Crittenden, Lyman B. ; Kung, Hsing Jien ; Hughes, Stephen H. / A new defective retroviral vector system based on the bryan strain of rous sarcoma virus. In: Virology. 1993 ; Vol. 195, No. 2. pp. 669-679.
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