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| http://purl.uniprot.org/citations/20214937 | http://www.w3.org/2000/01/rdf-schema#comment | "Alphavirus persistence in the insect vector is an essential element in the vector-host transmission cycle of the virus and provides a model to study the biochemical and molecular basis for virus-vector coexistence. The prototype alphavirus Sindbis (SV) establishes persistent infections in invertebrate cell cultures which are characterized by low levels of virus production. We hypothesized that antiviral factors may be involved in decreasing the virus levels as virus persistence is established in invertebrate cells. Transcription profiles in Drosophila S2 cells at 5 days post-infection with SV identified families of gene products that code for factors that can explain previous observations seen in insect cells infected with alphaviruses. Genomic array analysis identified up-regulation of gene products involved in intracellular membrane vesicle formation, cell growth rate changes and immune-related functions in S2 cells infected with SV. Transcripts coding for factors involved in different aspects of the Notch signaling pathway had increased in expression. Increased expression of ankyrin, plap, syx13, unc-13, csp, rab1 and rab8 may aid in formation of virus containing vesicles and in intracellular transport of viral structural proteins. Possible functions of these gene products and relevant hypotheses are discussed. We confirmed the up-regulation of a wide-spectrum protease inhibitor, Thiol-ester containing Protein (TEP) II. We report inhibition of the viral polyprotein cleavage at 5 days post-infection (dpi) and after superinfection of SV-infected cells at 5 dpi. We propose that inefficient cleavage of the polyprotein may, at least in part, lead to reduced levels of virus seen as persistence is established."xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.virusres.2010.02.016"xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/author | "Hernandez R."xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/author | "Brown D.T."xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/author | "Mudiganti U."xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/date | "2010"xsd:gYear |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/name | "Virus Res"xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/pages | "73-84"xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/title | "Insect response to alphavirus infection--establishment of alphavirus persistence in insect cells involves inhibition of viral polyprotein cleavage."xsd:string |
| http://purl.uniprot.org/citations/20214937 | http://purl.uniprot.org/core/volume | "150"xsd:string |
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