ArticleWorld journal of gastroenterology2003
Expression of RNase H of human hepatitis B virus polymerase in Escherichia coli.
Article in World journal of gastroenterology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors at 1 institution in 1 country.
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Abstract
aimTo amplify HBV-RNase H gene fragment and expression of RNase H for further use in the studies of HBV associated liver diseases.
methodsThe encoding gene of HBV-RNase H was separately amplified for the first half and second half (H1 and H2) by PCR from full length HBV gene and cloned into pT7Blue-T vector. Clones were first screened by digestion with XbaI and Hind III enzyme for the correct size, and analyzed further by DNA sequencing. The RNase H1 and H2 fragments isolated from XbaI and Hind III digestion products of pT7 Blue-RNase H plasmid were ligated to the GSTag expressing vectors separately, and expressed in E.coli BL21. The expressed proteins were checked by PAGE gel and Western blot.
resultsBoth H1 and H2 nucleotide seqences consisting of known genes and proteins, in correct size, were further confirmed by Western blot to be the GST and RNase H1 or H2 fusion proteins.
conclusionThe successful cloning and expression of HBV-RNase H will contribute to further research and application in HBV-associated diseases.
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