Amplified HDV fragment by RT-PCR was cloned into T vector and PQE_{31} plasmid, which established a prokaryotic expression vector in E coli M_{15} The recombinant protein was purified by Ni-NTA column affinity chromat...Amplified HDV fragment by RT-PCR was cloned into T vector and PQE_{31} plasmid, which established a prokaryotic expression vector in E coli M_{15} The recombinant protein was purified by Ni-NTA column affinity chromatography, and identified by Western blot and ELISA: HDV antigen was expressed efficiently and had a well antigenicity character. It can be used in HDV clinical diagnosis and epidemiology survey.展开更多
文摘Amplified HDV fragment by RT-PCR was cloned into T vector and PQE_{31} plasmid, which established a prokaryotic expression vector in E coli M_{15} The recombinant protein was purified by Ni-NTA column affinity chromatography, and identified by Western blot and ELISA: HDV antigen was expressed efficiently and had a well antigenicity character. It can be used in HDV clinical diagnosis and epidemiology survey.