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应用GPV VP3基因重组原核表达产物建立检测抗体的ELISA方法研究
Development of ELISA Methods to Detect Antibody by Prokaryotic Recombinant Expression Product of GPV VP3 Gene
【摘要】 利用鹅细小病毒(GPV)VP3基因的原核表达蛋白作为包被抗原建立了检测GPV抗体的间接-ELISA及Dot-ELISA方法。经确定两种方法的抗原包被浓度为125μg/mL,其中间接-ELISA 100μL/孔、Dot-ELISA 5μL/点。间接-ELISA中HRP标记的兔抗鹅IgG的工作浓度是1∶200,检测血清的最适稀释度是1∶400,阳性判定标准为OD492≥0.20,且P/N≥2.0。用此方法检测弱毒疫苗免疫血清,其抗体滴度在1∶400~1∶51 200。Dot-ELISA的结果与间接-ELISA的结果一致。
【Abstract】 Indirect-enzyme-linked immunosorbent assay(Indirect-ELISA) and nitrocellulose blotting membrane(dot blot ELISA) were developed for the detection of antibodies against GPV in goose by recombinant GPV VP3 gene prokaryotic expression product.The amount of incubating antigen were 12.5 μg and 0.625 μg respectively.And working concentration of rabbit anti-goose IgG-HRP antibody was 1∶200,the suitable concentration of detected sera was 1∶400.The standards to estimate positive were OD492≥0.2,P/N≥2.0 for the Indirect-ELISA method.ELISA antibody titers of detected sera immunized with attenuated vaccine were in 1∶400-(1∶51 200.) The results of Dot-ELISA were consistent with the results of Indirect-ELISA.
【Key words】 goose parvovirus; recombinant VP3 gene prokaryotic expression product; indirect-ELISA; Dot-ELISA;
- 【文献出处】 畜牧兽医学报 ,Acta Veterinaria et Zootechnica Sinica , 编辑部邮箱 ,2006年02期
- 【分类号】S854.4
- 【被引频次】30
- 【下载频次】322