Construction of a cysteine protease deficient Bombyx mori multiple nucleopolyhedrovirus bacmid and its application to improve expression of a fusion protein
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Construction of a cysteine protease deficient Bombyx mori multiple nucleopolyhedrovirus bacmid and its application to improve expression of a fusion protein.
The bacmid system of BmMNPV with cysteine protease gene deletion (CPD-BmMNPV bacmid) was constructed using the lambda recombination system. The protease activities of Bombyx mori cells and silkworm larvae infected with this CPD-BmMNPV bacmid were reduced by 94% and 85%, respectively. By using this system, a GFP(uv)-beta1,3-N-acetylglucosaminyltransferase 2 (GFP(uv)-beta3GnT2) fusion protein was...
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Characterization of a late expression gene of Bombyx mori nucleopolyhedrovirus.
Bombyx mori nucleopolyhedrovirus (BmNPV) ORF5 (Bm5) is a gene present in many lepidopteran nucleopolyhedroviruses (NPVs), but its function is unknown. In this study, Bm5 was characterized. The transcript of Bm5 was detected 12-72 h post infection (p.i.). Polyclonal antiserum raised to a His-BM5 fusion protein recognized BM5 in infected cell lysates from 24 to 72 h p.i., suggesting that Bm5 is a...
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Open reading frame17 (Bm17) of Bombyx mori nucleopolyhedrovirus is a highly conserved gene in lepidopteran nucleopolyhedroviruses, suggesting that it performs an important role in the virus life cycle whose function is unknown. In this report, we describe the characterization of Bm17. Reversed transcriptive-PCR (RT-PCR) and Western blot analysis demonstrated that Bm17 was expressed as a late ge...
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ژورنال
عنوان ژورنال: Journal of Virological Methods
سال: 2007
ISSN: 0166-0934
DOI: 10.1016/j.jviromet.2007.04.005