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  • Title: Cloning of Wap65 in sea bass (Dicentrarchus labrax) and sea bream (Sparus aurata) and expression in sea bass tissues.
    Author: Pierre S, Coupé S, Prévot-d'Alvise N, Gaillard S, Richard S, Gouze E, Aubert J, Grillasca JP.
    Journal: Comp Biochem Physiol B Biochem Mol Biol; 2010 Apr; 155(4):396-402. PubMed ID: 20085823.
    Abstract:
    The complementary DNA encoding WAP65 protein was cloned from the liver of two fish species sea bass (Dicentrarchus labrax) and sea bream (Sparus aurata). Full-length cDNA sequences were obtained from reverse transcribed total RNA, followed by 5' and 3' rapid amplification of cDNA end (RACE) experiments. The full-length cDNA sequence of D. labrax is 1709bp and the coding sequence is flanked by a 67bp 5'-UTR and a 358bp 3'-UTR. The full-length cDNA sequence of S. aurata is 1599bp, and the coding sequence is flanked by a 48bp 5'-UTR and a 273bp 3'-UTR. The deduced amino acid putative primary sequences are composed of 427 and 425 amino acid residues for D. labrax and S. aurata, respectively. They display high homologies with previously described fish WAP65 and other hemopexin-like proteins from rabbit (Oryctolagus cuniculus). Expression of Wap65 has proved to be a natural physiological adaptive answer of teleost fish to warm temperature acclimation. In all fish species studied to date, Wap65 was found expressed mainly by the liver, although other tissues seem able to express Wap65 in response to a warm temperature acclimation, in a specie specific manner. Here, we investigate the tissue specific expression of Wap65 in D. labrax and S. aurata in response to a warm temperature acclimation, by RT-PCR analysis.
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