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Title: Giant catfish Pangasianodon gigas growth hormone-encoding cDNA: cloning and sequencing by one-sided polymerase chain reaction
Authors: Catherine Lemaire
Saradee Warit
Sakol Panyim
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 18-Nov-1994
Citation: Gene. Vol.149, No.2 (1994), 271-276
Abstract: cDNA clones encoding giant catfish (Pangasianodon gigas) growth hormone (GH) have been isolated using a polymerase chain reaction (PCR) strategy. Pairwise combinations of degenerate and general primers allowed for the amplification of regions both 3′ and 5′ to the point of entry into the message. The amplified PCR products were cloned and sequenced. The cDNA sequence was found to encode a polypeptide of 200 amino acids (aa), including a putative signal peptide of 22 aa. The 5′ and 3′ untranslated regions of the message are 58 and 515 nucleotides long, respectively. The giant catfish GH displays the highest aa sequence homology with the carp GH, with 80% of sequence identity. Moreover, giant catfish GH has structural features in common with both mammalian and avian GH polypeptides, and also contains the domains of conserved sequence found in other GH. © 1994.
ISSN: 03781119
Appears in Collections:Scopus 1991-2000

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