Genetic polymorphism of plasma α1B-glycoprotein and transferrin in arctic and silver foxes
- 31 May 1988
- journal article
- research article
- Published by Wiley in Animal Genetics
- Vol. 19 (3), 237-244
- https://doi.org/10.1111/j.1365-2052.1988.tb00812.x
Abstract
Summary. Plasma samples of 235 foxes from 38 complete families (14 of arctic foxes, 21 of silver foxes and 3 with arctic X silver fox hybrid offspring) were analysed by one-dimensional horizontal polyacrylamide gel electrophoresis (PAGE) pH 9.0 followed by general-protein staining of gels. A major postalbumin of fox plasma was identified as α1B-glycoprotein (α1B) by using immunoblotting with antiser m specific to human or pig plasma α1B. Four codominant, autosomal alleles of α1B were found in arctic foxes. Two transferrin (TF) alleles (TfF, TfS) were observed in arctic foxes and two (TfD, TfF)in silver foxes; the TF F type of both of the fox species showed identical electrophoretic mobilities. The arctic foxes showed a high degree of polymorphism for both TF and α1B. The silver foxes showed a scarce polymorphism of TF and were monomorphic for α1B. The arctic fox, silver fox and their hybrids could be clearly differentiated from one another by their plasma protein patterns obtained by the PAGE method.Keywords
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