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J Insect Physiol. 2004 May;50(5):445-53.

Lack of correlation between body mass and metabolic rate in Drosophila melanogaster.

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1
Department of Molecular Biology, New Mexico State University, MSC 3MLS, Las Cruces, NM 88003-8001, USA. wvanvoor@nmsu.edu

Abstract

We examined the association between body mass and metabolic rate in Drosophila melanogaster under a variety of conditions. These included comparisons of body mass and metabolic rate in flies from different laboratory lines measured at different ages, over different metabolic sampling periods, and comparisons using wet versus dry mass data. In addition, the relationship between body mass and metabolic rate was determined for flies recently collected from wild populations. In no case was there a significant correlation between body mass and metabolic rate. These results indicate that care must be taken when attempting to account for the effects of body mass on metabolic rate. Expressing such data in mass-specific units may be an inappropriate method of attempting to control for the effects of differences in body mass.

PMID:
15121458
DOI:
10.1016/j.jinsphys.2004.03.002
[Indexed for MEDLINE]
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