JCVI: Cloning and Sequencing of the Grass Carp (Ctenopharyngodon Idellus) Growth Hormone Gene.
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Ho WK, Wong MW, Chan AP

Cloning and Sequencing of the Grass Carp (Ctenopharyngodon Idellus) Growth Hormone Gene.

Biochimica Et Biophysica Acta. 1991 Oct 08; 1090: 245-8.

External Citation


An enriched lambda gt11 library for screening the grass carp (Ctenopharyngodon idellus) growth hormone gene was constructed using HindIII digested genomic DNA extracted from the spleen of the fish. Probing this library with a homologous cDNA, a clone carrying the growth hormone gene was obtained. The gene is 2501 bp long and consists of five exons and four introns. The sequence of nucleotide in the exons is almost identical to that of the cDNA except for ten positions. Analysis of the 5' sequence up to 1220 bp from the +1 position reveals the presence of a TATA box as well as a number of consensus regulatory sequences. Comparison of the grass carp growth hormone gene with those of other fish indicates that there is a high degree of homology with the gene from the common carp but not with those from the rainbow trout and Atlantic salmon.

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