Phenotypic plasticity across 50MY of evolution: drosophila wing size and temperature.

Phenotypic plasticity across 50MY of evolution: drosophila wing size and temperature.
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跨越 50 年进化的表型可塑性:果蝇翅膀大小和温度。

DOI:
10.1016/j.jinsphys.2009.11.011
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发表时间:
2010
影响因子:
2.2
通讯作者:
Powell,JeffreyR
Powell,JeffreyR
中科院分区:
农林科学3区
文献类型:
--
作者:
Powell,AlessandroM;Davis,Matthew;Powell,JeffreyR

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我们研究了在不同温度下饲养的果蝇代表6个物种的9个菌株的翅膀大小的反应。这些物种在其自然栖息地从热带到温带和一个世界性的变化。该物种的进化分歧跨越了5000万年。虽然发现了一些数量差异,但所有物种对温度的反应都非常相似:与25°C相比,在19°C下饲养时,雌性平均增加0.11%,雄性平均增加0.14%。果蝇翅膀大小对温度反应的表型可塑性似乎是果蝇在漫长的进化时间和不同的生态环境中的一个固定特征。这可能反映了翅膀面积(从而翼载荷)和昆虫体重之间的密切关系,无论生态如何,这都是飞行的关键因素,因此,在漫长的进化过程中一直保持着这种关系。
We studied the response in wing size to rearing at different temperatures of nine strains of Drosophila representing six species. The species varied in their natural habitats from tropical to temperate and one cosmopolitan. The evolutionary divergence of the species spans 50 million years. While some quantitative differences were found, all species responded to temperature very similarly: females increased an average of ∼11% and males ∼14% when reared at 19°C compared to 25°C. The phenotypic plasticity in wing size in response to temperature appears to be a fixed trait in Drosophila across long evolutionary time and diverse ecological settings. This likely reflects the close relationship between wing area (and thus wing loading) and insect body mass that is a crucial factor for flight regardless of ecology and is, thus, maintained across long evolutionary time.
DOI: 10.2307/2419653
发表时间: 1998-05
期刊: --
影响因子: --
作者:
C. Schlichting;M. Pigliucci
通讯作者: C. Schlichting;M. Pigliucci
果蝇体型大小与温度相关的遗传差异。
DOI: 10.1093/oxfordjournals.jhered.a108523
发表时间: 1974
期刊: The Journal of heredity
影响因子: --
作者:
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DOI: 10.1111/j.1558-5646.1973.tb00673.x
发表时间: 1973-01-01
期刊: EVOLUTION
影响因子: 3.3
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影响因子: 2.2
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