Simultaneous synthesis of luciferase and human nerve growth factor in caterpillars infected with a recombinant baculovirus |
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Authors: | X-W Zhang T Sun X Liu X-N Huang |
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Institution: | (1) Food Engineering Research Center of State Education Commission, Zhongshan University, Guangzhou 51025, People’s Republic of China, CN |
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Abstract: | Human nerve growth factor (hNGF) gene was proliferated with human leucocyte DNA as template by PCR. Then a fusion gene coding
hNGF and luciferase (Luc) cDNAs was inserted into transfer vector pSXIVVI+X3/3 with the control of Syn XIV promoter. Luc and hNGF were simultaneously synthesized in Spodoptera larvae upon infection with a recombinant baculovirus, TnNPV-Luc-NGF-OCC+. Densitometric scanning of SDS-PAGE revealed that ∼18% of the total Coomassie blue-stainable protein of the infected larvae
was represented by Luc protein, while the hNGF level was ∼8%. Both proteins were similar to their authentic counterparts in
terms of immunoreactivity.
Received 16 August 1998/ Accepted in revised form 14 October 1998 |
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Keywords: | : hNGF Luc PCR baculovirus system transfer vector gene expression |
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