Effects of ethanol on the development of Drosophila melanogaster: Comparison of two geographic populations |
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| Affiliation: | 1. Laboratoire de Génétique des Populations, Université Claude Bernard, 69622 Villeurbanne, France;2. Laboratoire de Biologie et Génétique Évolutives, C.N.R.S. 91190 Gif-sur-Yvette, France;1. Department of Physical Anthropology, Institute of Forensic Medicine Bern, University of Bern, Murtenstrasse 26, CH-3008 Bern, Switzerland;2. Cranfield Forensic Institute, Cranfield University, College Road, MK43 0AL Cranfield, United Kingdom;3. School of Chemistry and Forensic Science, Division of Natural Sciences, Ingram Building, University of Kent, CT2 7NH, Canterbury, United Kingdom;4. Division of Clinical Anatomy and Biological Anthropology, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, 7925 Cape Town, South Africa;1. Department of Zoology, Stockholm University, Stockholm, Sweden;2. Department of Neuroscience, Brown University, Providence, RI, USA;1. Department of Surgery, Division of Surgical Oncology, Mayo Clinic, Phoenix, AZ;2. Mayo Clinic School of Medicine, Scottsdale AZ;3. Department of Surgery, Division of Transplant Surgery, Mayo Clinic, Phoenix, AZ;1. Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, PR China;2. Tonichem Pharmaceutical Technology Co., Ltd, Huizhou 516008, PR China;3. College of Pharmacy, Chongqing University of Arts and Sciences, 319 Honghe Ave., Yongchuan, Chongqing 402160, PR China |
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| Abstract: | The effects of ethanol upon the development of two strains of D. melanogaster (France and tropical Africa) were studied using two different methods; either the feeding medium containing ethanol was not renewed, or it was changed daily to keep the concentration stable. Toxic effects were much more obvious with the stabilized concentration. The difference in tolerance, already known for the adults of the two populations, was also observed for larvae; the French strain was much more tolerant. Ethanol slowed down larval development but adult weight at emergence could be increased. Lipid content of adults was increased by larval ethanol feeding while water content decreased. Two populations did not react exactly in the same way and an interaction was observed between genotype and experimental technique. The results should help to clarify the role of alcoholic fermentation upon D. melanogaster under natural conditions. |
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