Adaptation to larval malnutrition does not affect fluctuating asymmetry in Drosophila melanogaster

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Type
Article: article from journal or magazin.
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Publications
Institution
Title
Adaptation to larval malnutrition does not affect fluctuating asymmetry in Drosophila melanogaster
Journal
Biological Journal of the Linnean Society
Author(s)
Vijendravarma R. K., Narasimha S., Kawecki T. J.
ISSN
0024-4066
Publication state
Published
Issued date
2011
Peer-reviewed
Oui
Volume
104
Number
1
Pages
19-28
Language
english
Abstract
Both stress during development and response to directional selection were proposed to lead to reduced developmental stability of an organism, commonly measured as fluctuating asymmetry. Here, we investigated the direct physiological (plastic) effect of larval malnutrition and the effect of evolutionary adaptation to this form of stress on developmental stability, measured as fluctuating asymmetry of several wing measurements. The measurements were made on female Drosophila melanogaster from populations which, in the course of 84 generations of experimental evolution, adapted to malnutrition and from non-adapted controls, raised either under standard conditions or under nutritional stress. We detected no changes in the levels of fluctuating asymmetry as either a plastic or an evolutionary response. Thus, neither nutritional stress within lifetime nor directional selection it imposes seems to affect developmental stability in flies.
Keywords
developmental stability, directional selection, experimental evolution, nutritional stress, POPULATION GENETIC THEORY, STALK-EYED FLIES, DEVELOPMENTAL STABILITY, MORPHOLOGICAL TRAITS, DIRECTIONAL SELECTION, NUTRITIONAL CONDITION, NATURAL-POPULATIONS, BODY-SIZE, STRESS, EVOLUTION
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Create date
04/11/2011 16:34
Last modification date
20/08/2019 13:59
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