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Antiviral activity of rChIFN-alpha against vesicular stomatitis virus and Newcastle disease virus: A novel recombinant chicken interferon-alpha showed high antiviral activity

文献类型： 外文期刊

作者： Hou, Fengxiang 1 ; Liu, Ke 1 ; Shen, Ting 1 ; Zhou, Bin 1 ; Cao, Ruibin 1 ; Li, Peide 1 ; Chen, Puyan 1 ;

作者机构： 1.Nanjing Agr Univ, Key Lab Anim Dis Diagnost & Immunol, Nanjing 210095, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Natl Res Ctr Vet Biol Engn & Technol, Nanjing 210014, Peoples R China

关键词： Chicken interferon;Newcastle disease virus;Vesicular stomatitis virus

期刊名称：RESEARCH IN VETERINARY SCIENCE （ 影响因子：2.534； 五年影响因子：2.382 ）

ISSN： 0034-5288

年卷期： 2011 年 91 卷 3 期

页码：

收录情况： SCI

摘要： The sequences of 27 chicken interferon-alpha (ChIFN-alpha) genes were obtained from GenBank. The gene sequences were compared and homology between them was determined by using a bio-software. On the basis of these results, a new rChIEN-alpha peptide sequence with 194 amino acids was assembled. Thereafter, on the basis of the new amino acid sequences and by using the most frequently occurring codes of Pichia pastoris, and a 582 bp gene sequence was formed. In order to amplify this non-templated gene, 16 primers were designed, and their gene sequences were synthesized, and amplified. This amplified gene sequence was cloned into the expression vector pPICZ alpha-A to construct a recombination plasmid named pPICZ-rChIFN-alpha. Then, the recombination plasmid was induced to express the rChIFN-alpha protein. The results demonstrated that the recombinant plasmid pPICZ-rChIFN-alpha was successfully expressed in P. pastoris. Furthermore, rChIFN-alpha had a considerable antiviral activity against both Newcastle disease virus (NDV) and vesicular stomatitis virus (VSV). Therefore, this method of gene engineering could give direction to research on the key amino acids in the interferon or analogous proteins and enable the construction of proteins with high antiviral activity, which can be used both for research and industrial purposes. (C) 2010 Elsevier Ltd. All rights reserved.

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