H1N1猪流感病毒血凝素蛋白抗原表位的筛选及其抗原性分析

›› 2011, Vol. 38 ›› Issue (9): 190-193.

• 流行病防治 • Previous Articles Next Articles

Epitope Screening and Antigenicity Analyzing of Hemagglutinin of H1N1 Swine Influenza Virus

TANG Lian-fei, YI Zheng-xuan, ZHU Zhong-wu, ZHU Jin-guo, CHEN Pan, MENG Fang, YU Si-yu, OUYANG Zhen-yu, JIANG Jin-lin

Inspection and Quarantine Technical Centre of Hunan Inspection and Quarantine Bureau, Changsha 410004, China

Received:2011-01-13 Revised:1900-01-01 Online:2011-09-20 Published:2011-09-20

Abstract

Abstract: In an attempt to isolate and identify the epitopes on hemagglutinin(HA) of H1N1 swine influenza virus and to test their antigenicity,polyclonal mouse antisera IgG against recombinant HA was prepared to screen a 12-mer random peptide library. After three rounds of biopanning a phage enrichment was resulted. Forty of the 47 phage clones selected randomly showed to be positive by phage-ELISA and shared 3 amino acid sequences. The result of Western blotting showed that the 3 peptides could bind specially with the polyclonal mouse antisera IgG against H1N1 swine influenza virus indicated that the 3 peptides was antigenicity. In this paper,three antigenic epitopes on HA were obtained and established the foundations for the further research of vaccine and diagnoses of H1N1 swine influenza virus.

Key words: phage displayed peptide library; antigen epitope; swine influenza virus; hemagglutinin

CLC Number:

S855.3

TANG Lian-fei;YI Zheng-xuan;ZHU Zhong-wu;ZHU Jin-guo;CHEN Pan;MENG Fang;YU Si-yu;OUYANG Zhen-yu;JIANG Jin-lin. Epitope Screening and Antigenicity Analyzing of Hemagglutinin of H1N1 Swine Influenza Virus[J]. , 2011, 38(9): 190-193.

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Epitope Screening and Antigenicity Analyzing of Hemagglutinin of H1N1 Swine Influenza Virus

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