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Related Experiment Videos

Oviposition site preference in Drosophila.

R C Richmond, J L Gerking

    Behavior Genetics
    |May 1, 1979
    PubMed
    Summary

    Female fruit flies

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    Divergent and conserved features in the spatial expression of the Drosophila pseudoobscura esterase-5B gene and the esterase-6 gene of Drosophila melanogaster.

    Proceedings of the National Academy of Sciences of the United States of America·1997

    Area of Science:

    • Behavioral Ecology
    • Evolutionary Biology
    • Genetics

    Background:

    • Oviposition site preference (OSP) is a key adaptive behavior in Drosophila.
    • OSP influences individual fitness and population speciation.
    • Previous studies explored OSP using standard vs. ethanol-containing media.

    Purpose of the Study:

    • To analyze OSP in 14 Drosophila species.
    • To investigate the correlation between OSP and phylogenetic relationships.
    • To explore the link between ethanol-based OSP, environmental ethanol, and alcohol dehydrogenase activity.

    Main Methods:

    • Developed a technique to minimize OSP variation in laboratory settings.
    • Enabled detection of OSP differences between semispecies.
    • Tested OSP of 14 Drosophila species with standard and ethanol-containing media.

    Main Results:

    • OSP was found to be highly labile in laboratory conditions.
    • No correlation was observed between OSP and phylogenetic relationships across the 14 species.
    • Ethanol-based OSP showed a potential correlation with environmental ethanol and alcohol dehydrogenase activity.

    Conclusions:

    • OSP is a crucial adaptive trait in Drosophila, impacting fitness and speciation.
    • Phylogenetic relatedness does not predict OSP patterns.
    • Environmental ethanol and alcohol dehydrogenase activity may shape ethanol-specific OSP in Drosophila.

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