Organization and nucleotide sequence of carp gonadotropin α subunit genes

We have used PCR to amplify and align the sequence of two genes encoding cGTHα. Both genes comprise four exons and three introns. The organization of cGTHα genes is very similar to that of mammalian GTHα genes. However, the cGTHα genes only span a region of 1.2 kb which is much smaller than those mammalian GTHα genes.