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POLYMORPHISM OF SERUM PROTEIN OF RAINBOW TROUT, BROOK TROUT, AND THEIR HYBRIDS [RAINBOW TROUT(♀)×BROOK TROUT(♂)] BY NATIVE POLYACRYLAMIDE GEL ELECTROPHORESIS
Author(s): 
Pages: 1648-1653
Year: Issue:  6
Journal: Oceanologia et Limnologia Sinica

Keyword:  rainbow troutbrook trouthybridsserum proteinnative polyacrylamide gel electrophoresis;
Abstract: With native poly acrylamide gel electrophoresis, we analyzed the polymorphism of the serum proteins for three populations: rainbow trout, brook trout, and the hybrid [rainbow trout(♀)×brook trout(♂)]. The genotype frequencies, genetic homozygosity and Shannon’s information index were calculated and the relationship and genetic distances of three populations were explored. The results revealed large difference in five serum protein(α-globulin,β1-globulin, γ-globulin, prealbumin, and albumin) seats, and different frequencies in the dominant gene of the seats in the three populations. In addition, hybrids showed particular bands integrated from genetic information of the parents. Bisexual reproduction was found and they were indeed hybrids in geneticm aterial. The hybrid had a relative genetic similarity of 0.718 and 0.575, in genetic distance of 0.332 and 0.554 from rainbow trout and brook trout, respectively, showing more intimacy to the maternal side, which gains support from UPGMA tree additionally.
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