Effects of egg-production and of exposure to males on female survival in Drosophila melanogaster |
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| Institution: | 1. IPICyT, Instituto Potosino de Investigación Científica y Tecnológica, A.C. Camino a la Presa San Jose No. 2055, Lomas 4a sección, San Luis Potosí, San Luis Potosí 78216, Mexico;2. Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, Zona Universitaria, San Luis Potosí 78210, Mexico;3. Department of Energy Saving and Air Protection, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland;4. CINVESTAV, U. Irapuato, km 9.6 Libramiento Norte Carr Irapuato-León, 36824 Irapuato, Gto, Mexico |
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| Abstract: | Female Drosophila melanogaster whose rate of egg-laying was lowered by removal of a suitable substrate or additionally by reduction in protein intake had longer lifespans than control females. The association between lifespan and egg-laying rate could not be accounted for in terms of variation in either exposure to males or nutritional status. Females continuously exposed to males lived less long than intermittently exposed females, and this longevety difference could not be explained in terms of differences in either rate of egg-production or egg-hatchability. |
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