Evidence for co-dominant allelic expression of a phosphoglucomutase regulatory locus polymorphism in the Atlantic salmon

被引:1
|
作者
Verspoor, E [1 ]
Moyes, CD
机构
[1] Queens Univ, Dept Biol, Kingston, ON K7L 3N6, Canada
[2] FRS Freshwater Lab, Pitlochry PH16 5LB, Scotland
关键词
Atlantic salmon; isozyme; phosphoglucomutase; regulatory polymorphism;
D O I
10.1111/j.0022-1112.2005.00850.x
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Starch gel electrophoresis of the phosphoglucomutase isozyme, PGM-1, in liver tissue in Atlantic salmon Salmo salar shows three phenotypes - full, partial and no expression. The genetic basis of the variation has not been established. Studies of the inheritance of the variation and of liver enzyme levels carried out indicate that the variation, as in rainbow trout Onchorynchus mykiss, reflects co-dominant allelic variation at a cis-acting regulatory locus, designated PGM-1r*, with one allele promoting and the other suppressing expression. (c) 2005 Crown copyright.
引用
收藏
页码:213 / 218
页数:6
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