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Heredity (Edinb). 2002 Dec;89(6):453-9.

Effect of acetone feeding on alcohol dehydrogenase activity in the olive fruit fly, Bactrocera oleae.

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  • 1Department of Agriculture Biotechnology, Agricultural University of Athens, Iera Odos 75, Athens, Greece.


The purpose of this study is to demonstrate a clear connection between the presence of acetone in larval diet and alcohol dehydrogenase (ADH) activity in laboratory raised populations of Bactrocera oleae. ADH activity of B. oleae is depressed in acetone-impregnated diets. At the same time the change of activity is accompanied by a change in the relative proportions of the multiple forms of ADH. The bulk of activity in the most cathodally migrating form is lost, and all the activity becomes localized in the less cathodally migrating forms of the enzyme. Moreover, ADH activity, expressed in vivo, appears to drop after exposure to acetone, as shown by the fact that larvae become less sensitive to pentenol poisoning. Our results show clear selective differences imposed by acetone on three homozygous genotypes involving the ADH alleles F, S and I in B. oleae. The directions of these differences were found to vary with the fitness component under test. Acetone treatment seems to affect developmental time and larva's viability as well as allele frequencies of ADH under artificial rearing. The effect of acetone on the maintenance of ADH polymorphism in artificially reared populations of B. oleae is further discussed.

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