Hypergravity and ageing in Drosophila melanogaster. 2. Longevity.
Longevity of Drosophila melanogaster flies was observed at various gravity levels in three different breeding conditions of decreasing quality. A slight longevity decrease was observed in the 1-4 g range of the two best conditions. In the third one, a large decrease was observed in all hypergravity groups. Longevity decreased at 5 g in the first two groups (no data collected for the third one). Results are discussed in relation with Pearl's rate-of-living theory.
Le Bourg
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Université Paul-Sabatier, Centre de Recherche en Biologie du Comportement URA CNRS 664, Toulouse, France.
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D000375:Aging / Q000502:physiology*; D000818:Animals; D004331:Drosophila melanogaster / Q000502:physiology*; D005260:Female; D005298:Fertility / Q000502:physiology; D006112:Gravitation; D008136:Longevity / Q000502:physiology*; D008297:Male