Digest: A clinal polymorphism and life-history adaptations in Drosophila*

被引：0
|
作者：
El-Deeb, Omar [1 ]
机构：
[1] Western Univ, Dept Biol, London, ON N6A 3K7, Canada
来源：
EVOLUTION | 2019年 / 73卷 / 09期
关键词：
D O I：
10.1111/evo.13828
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Does genetic variation in the insulin/insulin-like growth factor signaling pathway (IIS) underlie latitudinal life-history clines in North American Drosophila melanogaster? Durmaz et al. investigated how a clinally varying polymorphism in the IIS gene foxo affects fitness-related traits by isolating the effects of alternative low and high latitude alleles. The phenotypic effects of the polymorphism-for example, on body size-matched those normally observed across the cline, suggesting that variation in IIS is important for clinal life-history adaptation.
引用
收藏
页码：2026 / 2027
页数：2
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