Cloning and expression of pigeon IFN-g gene

This is the first paper describing the cloning of pigeon IFN-g gene (PiIFN-g) and the analysis of the in vitro expressed recombinant protein. The PiIFN-g gene was identified by RT-PCR as a 498 bp, fragment coding for a precursor protein of 165 amino acids instead of 164 amino acids, as observed in t...

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Published inResearch in veterinary science Vol. 89; no. 3; pp. 367 - 372
Main Authors Fringuelli, Elena, Urbanelli, Lorena, Tharuni, Omar, Proietti, Patrizia Casagrande, Bietta, Annalisa, Davidson, Irit, Franciosini, Maria Pia
Format Journal Article
LanguageEnglish
Published 01.12.2010
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Summary:This is the first paper describing the cloning of pigeon IFN-g gene (PiIFN-g) and the analysis of the in vitro expressed recombinant protein. The PiIFN-g gene was identified by RT-PCR as a 498 bp, fragment coding for a precursor protein of 165 amino acids instead of 164 amino acids, as observed in the other avian species. The recombinant protein was expressed in vitro by an eukaryotic system and the biological properties of the cytokine were tested using a chicken macrophage cell line. The high degree of amino acid and nucleotide identity, shared with the ChIFN-g, and the fact that the pigeon protein was functional on chicken cells, indicates a cross-reactivity between pigeon and chicken IFN-g. The detection of the PiIFN-g could represent an useful instrument in understanding the role played by this cytokine in immune response related to vaccinations and infectious diseases in the pigeon.
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ISSN:0034-5288
DOI:10.1016/j.rvsc.2010.03.021