Sexual selection, sexual isolation and pheromones in Drosophila melanogaster strains after long-term maintaining on different diets
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© 2017 Elsevier B.V.
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Evolution of reproductive isolation may be a consequence of a variety of signals used in courtship and mate preferences. Pheromones play an important role in both sexual selection and sexual isolation. The abundance of pheromones in Drosophila melanogaster may depend on different environmental factors, including diet. The aim of this study was to ascertain to which degree principal pheromones affect sexual selection in D. melanogaster. We used D. melanogaster strains reared for 14 years on four substrates: standard cornmeal substrate and those containing tomato, banana and carrot. We have previously determined that long-term maintaining of these dietary strains resulted in differences in their cuticular hydrocarbons profile (CHs). In this work, we have tested the level of sexual selection and sexual isolation between aforementioned strains. We found that the high levels of cis-vaccenyl acetate, 7-pentacosene and 7,11-nonacosadiene in the strain reared on a substrate containing carrot affected the individual attractiveness and influenced sexual isolation between flies of this strain and flies reared on a substrate containing banana. Based on these results, long-term different diets, may contribute, to sexual behaviour of D. melanogaster via the effects of principal pheromones.
Ključne reči:Drosophila melanogaster; Nutrition; Pheromones; Sexual fitness; Sexual isolation; Sexual selection
- Dinamika genofonda, genetička i fenotipska varijabilnost populacija u zavisnosti od promenljivosti sredine (RS-173012)
U: Behavioural Processes (2017), 140: 81-86
APA:Trajković, J., Miličić, D., Savić, T., & Pavković-Lučić, S. (2017). Sexual selection, sexual isolation and pheromones in Drosophila melanogaster strains after long-term maintaining on different diets. Behavioural Processes, 140, 81–86.
Vancouver:Trajković J, Miličić D, Savić T, Pavković-Lučić S. Sexual selection, sexual isolation and pheromones in Drosophila melanogaster strains after long-term maintaining on different diets. Behav Processes. 2017;140:81–6.
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