Body size and developmental temperature in Drosophila melanogaster: Analysis of body weight reaction norm

被引：47

作者：

Karan, D ^{[1
]}

Morin, JP ^{[1
]}

Moreteau, B ^{[1
]}

David, JR ^{[1
]}

机构：

[1] CNRS, Lab Populat Genet & Evolut, F-91198 Gif Sur Yvette, France

来源：

JOURNAL OF THERMAL BIOLOGY | 1998年 / 23卷 / 05期

关键词：

Drosophila melanogaster; growth temperature; body size; phenotypic plasticity; reaction norm; genetic correlations;

D O I：

10.1016/S0306-4565(98)00021-7

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

1. Phenotypic plasticity of body weight, wing and thorax length was analysed in ten isofemale lines of D. melanogaster grown at seven different temperatures (12-31 degrees C). 2. For each trait, concave reaction norms were observed with a maximum at low temperature. The co-ordinates of the maximum were calculated after polynomial adjustments. 3. Body weight exhibited a specific reaction norm with a temperature of maximum value (16.7 degrees C) intermediate between those of wing (14.9 degrees C) and thorax (17.8 degrees C). 5. Overall phenotypic plasticity according to temperature was high for weight and wing length but much less for thorax length. 5. In several aspects wing length might be a better predictor of body size variation than thorax length. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：301 / 309

页数：9

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