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  • Title: [Construction of BV-T7 hybrid expression system based on baculovirus to express target gene eGFP in mammalian and chicken cells].
    Author: Ge J, Tang X, Gao D, Song S, Lu S, Lou Z, Ping W.
    Journal: Wei Sheng Wu Xue Bao; 2012 Mar 04; 52(3):318-25. PubMed ID: 22712402.
    Abstract:
    OBJECTIVE: To investigate whether the recombinant baculovirus BV-T7 hybrid expression system can be effectively transduced into chicken cells in vitro, and whether it can express the foreign genes (eGFP). METHOD: We established a hybrid baculovirus-T7 RNA polymerase system for transient expression in mammalian cells and chicken cells. Two recombinant baculoviruses were constructed, one carrying cDNA of bacteriophage T7 RNA polymerase, with a nuclear localization signal, under the control of a mammalian promoter and the other expressing eGFP gene under the control of T7 promoter. The constructed recombinant baculoviruses co-infected mammalian oligodendrocyte cells, as well as chicken embryo fibroblasts cells and chicken embryo skeletal muscle cells. RESULTS: The eGFP activity was detected in mammalian cell lines and embryo fibroblasts cells and chicken embryo skeletal muscle cells. The recombinant baculovirus transduction efficiency of oligodendrocyte cells was 59.5%, and in CEF cells and myoblast cells the transduction efficiencies were 23.2% and 33.1%. CONCLUSION: BV-T7 hybrid expression could be expressed T7 RNAP in mammalian cells and avian cells.
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