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  • Title: Cloning and sequencing of the gilthead sea bream estrogen receptor cDNA.
    Author: Muñoz-Cueto JA, Burzawa-Gérard E, Kah O, Valotaire Y, Pakdel F.
    Journal: DNA Seq; 1999; 10(2):75-84. PubMed ID: 10376207.
    Abstract:
    We report here the complete nucleotide sequence of a cDNA clone containing the full-coding sequence of the Sparus aurata estrogen receptor (ER) isolated from an expression library prepared from gilthead sea bream liver poly A+ RNA. The library was screened using a single strand rainbow trout ER cDNA probe, corresponding to the C-D domain. The cDNA sequence containing an insert of 2369 nucleotides was found to encode a protein of 579 amino acids. The 5'- and 3'-untranslated regions of the message are 186 and 392 nucleotides long, respectively. The gilthead sea bream ER shows the higher homology with the ER of another perciform, Chrysophrys major (93%), moderate to high homology with Oreocromis aureus (78%) medaka (77%) and rainbow trout (70.7%) ERs and lower homology with japanese eel (45%), amphibian (47%), avian (48.5%) and mammalian (47-47.5%) ERs. The sequence homologies and phylogenetic analysis of the various ERs suggest that gilthead sea bream ER should be considered as a ER alpha-like.
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