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秦启伟研究团队在《Virus Research》发表文章

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时间:2011-09-15  作者:LMB  来源:文本大小:【 |  | 】  【打印

题目: Construction of green fluorescent protein-tagged recombinant iridovirus to assess viral replication 

作者: Huang YH, Huang XH, Cai J, Ye FZ, Guan LY, Liu H, Qin QW* 

刊物: Virus Research,(IF=2.905III区)

刊号: 2011, 160:221-229 

摘要: Green fluorescent protein-tagged recombinant virus has been successfully applied to observing the infective dynamics and evaluating viral replication. Here, we identified soft-shelled turtle iridovirus (STIV) ORF55 as an envelope protein (VP55), and developed a recombinant STIV expressing an enhanced green fluorescent protein (EGFP) fused to VP55 (EGFP-STIV). Recombinant EGFP-STIV shared similar single-step growth curves and ultrastructural morphology with wild type STIV (wt-STIV). The green fluorescence distribution during EGFP-STIV infection was consistent with the intracellular distribution of VP55 which was mostly co-localized with virus assembly sites. Furthermore, EGFP-STIV could be used to evaluate viral replication conveniently under drug treatment, and the result showed that STIV replication was significantly inhibited after the addition of antioxidant pyrrolidine dithiocarbamate (PDTC). Thus, the EGFP-tagged recombinant iridovirus will not only be useful for further investigations on the viral replicative dynamics, but also provide an alternative simple strategy to screen for antiviral substances. 

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