Larval competition in Drosophila melanogaster: frequency-dependence of viability |
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Authors: | A Moya F González-Candelas J L Ménsua |
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Institution: | (1) Departamento de Biología Animal, Biología Celular, Genética y Parasitología, Universitat de València, Dr. Moliner, 50, E-46100 Burjassot, València, Spain |
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Abstract: | Summary The application of the overfeeding technique (interruption of the competition during larval development) to the study of larval competition in two-strain cultures of Drosophila melanogaster demonstrates the following points: (1) viability is a function of competition time; (2) viability becomes more frequency-dependent as competition time increases; (3) the dynamics of the inner subpopulation (adults that have passed all their development in a crowded condition) and outer subpopulation (adults coming from larvae recovered by interruption of competition) vary with time as regards frequency-dependence; and (4) the wild type strain Oregon is the active agent in competition with the strain cardinal. |
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Keywords: | Larval competition Larva-to-adult viability Frequency-dependent selection Overfeeding technique |
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