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Rudo L Simeon, Zhilei Chen
Genetic suppressor elements (GSEs) are biomolecules derived from a gene or genome of interest that act as transdominant inhibitors of biological functions presumably by disruption of critical biological interfaces. We exploited a cell death reporter cell line for hepatitis C virus (HCV) infection, n4mBid, to develop an iterative selection/enrichment strategy for the identification of anti-HCV GSEs. Using this approach, a library of fragments of an HCV genome was screened for sequences that suppress HCV infection...
2013: PloS One
Hongyu Li, Yourong Fang, Haitao Yu, Ying Yu, Hui Yan
In this study, we expressed and purified supercharged green fluorescent protein (+36GFP) that we used to study its combination with nucleic acid and its cell transduction efficiency as carrier of DNA. We transformed pET+36GFP-HA2 plasmid into Escherichia coli BL21 (DE3), then expressed and purified the target protein. We used the protein to transduce a variety of mammalian cell lines including B16 cells, 293 cells, A549 cells and HepG2 cells at specified protein concentrations. Transduction efficiency of the protein was analyzed by flow cytometry...
April 2013: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
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