ACTA AGRICULTURAE BOREALI-SINICA ›› 2008, Vol. 23 ›› Issue (6): 6-10. doi: 10.7668/hbnxb.2008.06.002

Special Issue: Animal husbandry

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Construction of Recombinant Fowlpox Virus Expressing Chicken Interleukin-18 and Its Biologic Activity Detection

CHEN Hong-ying1, HUANG Qing-yun2, CUI Bao-an1, LI Xin-sheng1, GUAN Qian1, LIU Jin-peng1   

  1. 1. College of Animal Husbandry and Veterinary, Henan Agricultural University, Zhengzhou 450002, China;
    2. College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
  • Received:2008-10-04 Published:2008-12-28

Abstract: In order to construct the recombinant fowlpox viruses(rFPV)expressing chicken IL-18, the chicken IL-18 cDNA was cloned into EcoR Ⅰ site of pSY538 plasmid and then subcloned into Sfi Ⅰ site of pSY681 plasmid containing LacZ gene to generate the recombinant plasmid pSY681/ChIL-18.The recombinant plasmid was transfected on the chick- en embryo fibroblasts cell(CEF)that was pre-infected with S-FPV-017.By screening of blue plaques on the CEF overlaid with agar containing X-gal, the rFPV ChIL-18 recombinants were obtained and identified by PCR.Recombinant chicken IL-18 induced in vitro the proliferation of ConA-stimulated chicken splenocytes in MTT assay.

Key words: Chicken interleukin-18 gene, Recombinant fowlpox virus, Construction, Biologic activity

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Cite this article

CHEN Hong-ying, HUANG Qing-yun, CUI Bao-an, LI Xin-sheng, GUAN Qian, LIU Jin-peng. Construction of Recombinant Fowlpox Virus Expressing Chicken Interleukin-18 and Its Biologic Activity Detection[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(6): 6-10. doi: 10.7668/hbnxb.2008.06.002.

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