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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Interruption of env gene expression depending on the length of the SV40 early region used for the polyA signal.

In order to invent a screening system to check in vivo gene function and the efficiency of gene transfer mediated by a retroviral vector system, we established a novel packaging cell, PacNIH/A8, based on the neuropathogenic retrovirus A8-V. To construct the expression vector, pA8(Psi-), which expresses the genes gag, pol and env derived from A8-V, the SV40 early region was used for the polyadenylation signal (polyA signal). When a 0.85 kbp fragment in the SV40 early region was employed for the expression vector (pA8(Psi-)beta), env expression was abolished. This abolition was rescued by shortening the SV40 early region to 0.14 kbp (pA8(Psi-)delta). The NHI3T3 cells transfected with pA8(Psi-)delta showed expressions of both env and gag genes.[1]

References

  1. Interruption of env gene expression depending on the length of the SV40 early region used for the polyA signal. Yamakawa, K., Takase-Yoden, S., Watanabe, R. Jpn. J. Infect. Dis. (2005) [Pubmed]
 
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