Genetic architecture and maternal contributions of early-life survival in lake trout Salvelinus namaycush

被引：4
|
作者：
Houde, A. L. S. [1 ,2 ]
Wilson, C. C. [3 ]
Pitcher, T. E. [1 ,2 ]
机构：
[1] Univ Windsor, Dept Biol Sci, Windsor, ON N9B 3P4, Canada
[2] Univ Windsor, Great Lakes Inst Environm Res, Windsor, ON N9B 3P4, Canada
[3] Trent Univ, Ontario Minist Nat Resources & Forestry, Aquat Res & Monitoring Sect, Peterborough, ON K9J 7B8, Canada
来源：
JOURNAL OF FISH BIOLOGY | 2016年 / 88卷 / 05期
基金：
加拿大自然科学与工程研究理事会;
关键词：
additive genetic effects; genetic architecture; maternal effects; non-additive genetic effects; SELECTION; FITNESS; POPULATIONS; ADAPTATION; DOMINANCE; EPISTASIS; EVOLUTION; VARIANCE; QUALITY; SALMON;
D O I：
10.1111/jfb.12965
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
The influences of additive, non-additive and maternal effects on early survival (uneyed embryo survival, eyed embryo survival, alevin survival and overall survival to first feeding) were quantified in lake trout Salvelinus namaycush using a 7 x 7 full-factorial breeding design. Maternal effects followed by non-additive genetic effects explained around one third of the phenotypic variance of the survival traits. Although the amount of additive genetic effects were low (<1%), suggesting a limited potential of the traits to respond to new selection pressures, how maternal and non-additive genetic effects may respond to selection under certain circumstances are discussed. (C) 2016 The Fisheries Society of the British Isles
引用
收藏
页码：2088 / 2094
页数：7
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