Asymmetrical reinforcement and Wolbachia infection in Drosophila
2006
Infection Affects Mating Choices in Fruit Flies
publication
Evidence: moderate
Author Information
Author(s): John Jaenike, Katherine A. Dyer, C. Cornish, M. S. Minhas
Hypothesis
Does Wolbachia infection influence mating preferences between Drosophila species?
Conclusion
The study found that Wolbachia infection leads to asymmetrical mating preferences between two Drosophila species.
Supporting Evidence
- Infected D. recens males produce non-viable offspring when mating with uninfected D. subquinaria females.
- Sympatric D. subquinaria females are more selective in their mating choices compared to allopatric females.
- The study suggests that natural selection in sympatric regions drives mate discrimination.
Takeaway
Fruit fly females choose their mates based on whether they are infected with a certain bacterium, which affects their offspring's survival.
Methodology
The authors conducted mate-choice experiments with Drosophila females from sympatric and allopatric populations.
Limitations
The study may not account for all environmental factors influencing mating behavior.
Participant Demographics
Drosophila subquinaria and Drosophila recens from sympatric and allopatric populations.
Digital Object Identifier (DOI)
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