Recombinant lymphocytic choriomeningitis virus expressing vesicular stomatitis virus glycoprotein

Pinschewer, Daniel D. and Perez, Mar and Sanchez, Ana B. and de la Torre, Juan Carlos. (2003) Recombinant lymphocytic choriomeningitis virus expressing vesicular stomatitis virus glycoprotein. Proceedings of the National Academy of Sciences of the United States of America, 100 (13). pp. 7895-7900.

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A recombinant S segment RNA (Sr) of the prototypic arenavirus lymphocytic choriomeningitis virus (LCMV) where the glycoprotein of vesicular stomatitis virus (VSVG) was substituted for the glycoprotein of LCMV (LCMV-GP) was produced intracellularly from cDNA under the control of a polymerase I promoter. Coexpression of the LCMV proteins NP and L allowed expression of VSVG from Sr. Infection of transfected cells with WT LCMV (LCMVwt) resulted in reassortment of the L segment of LCMVwt with the Sr at low frequency. Isolation of recombinant LCMV (rLCMV) expressing VSVG (rLCMV/VSVG) was achieved by selection against LCMVwt by using a cell line deficient in the cellular protease S1P. This approach was based on the finding that processing of LCMV-GP by S1P was required for virus infectivity. Characterization of protein and RNA expression of rLCMV/VSVG in infected cells confirmed the expected virus genome organization. rLCMV/VSVG caused syncytium formation in cultured cells and grew to approximately 100-fold lower titers than WT virus but, like the parent virus, it persisted in neonatally infected mice without clinical signs of disease.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Division of Medical Microbiology > Experimental Virology (Pinschewer)
UniBasel Contributors:Pinschewer, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:National Academy of Sciences
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:15 Dec 2020 11:42
Deposited On:15 Dec 2020 11:42

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