Interaction between the Adh and αGpdh loci in Drosophila melanogaster: Adult survival at high temperature

L. Oudman*, W. van Delden, A. Kamping, R. Bijlsma

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    15 Citations (Scopus)

    Abstract

    The role of high temperature resistance in the world-wide cline of Adh and alpha-Gpdh allele frequencies of Drosophila melanogaster was investigated. Experimental strains were used with different combinations of Adh and alpha-Gpdh alleles but with similar genetic background. The survival time of adult males, reared at different pre-adult temperatures, was measured at 35-degrees-C. To investigate the relationship between survival and protein content, triglycerides content and ADH and alpha-GPDH enzyme activity, the latter characters were measured before and after 12 h exposure to 35-degrees-C. Three-way ANOVA of survival at 35-degrees-C showed significant effects of rearing temperature and Adh genotype, interaction between Adh and alpha-Cpdh, interaction between Adh and rearing temperature and interaction between Adh, alpha-Gpdh and rearing temperature, alpha-GPDH enzyme activity did not change significantly. Although protein content, triglycerides content and ADH enzyme activity decreased significantly at 35-degrees-C, no correlation was observed between survival and these traits. It is concluded that the world-wide cline of Adh and alpha-Gpdh allele frequencies cannot simply be explained by the genotypic differences in resistance to high temperature of adult Drosophila melanogaster.

    Original languageEnglish
    Pages (from-to)289-297
    Number of pages9
    JournalHeredity
    Volume68
    DOIs
    Publication statusPublished - Apr-1992

    Keywords

    • ALCOHOL DEHYDROGENASE
    • ALLOZYME POLYMORPHISM
    • CLINE
    • ALPHA-GLYCEROPHOSPHATE DEHYDROGENASE
    • SELECTION, TEMPERATURE STRESS
    • ALCOHOL-DEHYDROGENASE LOCUS
    • SN-GLYCEROL-3-PHOSPHATE DEHYDROGENASE
    • DESICCATION TOLERANCE
    • ENZYME POLYMORPHISMS
    • ETHANOL
    • STRESS
    • SELECTION
    • POPULATIONS
    • LARVAE

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