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  • Title: [Mutation of Indy(p115) increases the life expectancy of imago of Drosophila melanogaster depending on sex and genetic background].
    Author: Bulgakova NA, Trunova SA, Omel'ianchuk LV.
    Journal: Genetika; 2004 Apr; 40(4):482-9. PubMed ID: 15174281.
    Abstract:
    The Indyp115 allele in heterozygous state almost doubles the life span of adult Drosophila melanogaster, and this effect largely depends on the strain used for obtaining heterozygotes. Male and female life span depends on Indyp115 to a different degree. Apart from Indyp115 heterozygotes, sexual dimorphism for life span was also observed in strain Hikone-AW, but not in OregonR and TM3 balancer. In heterozygotes Indyp115/OR, both the average life span and female reproductive period increased as compared to OR control. No substantial increase in female reproductive period in Indyp115/Hk heterozygotes was found. In homozygotes for allele Indyp115, we have previously revealed two phases of embryotic lethality and lethality at the larval and pupa stages. Thus, allele Indyp115 has a double and opposite effect on Drosophila viability. On the one hand, it extends the life span of adult flies, on the other, decreases survival at preimaginal stages.
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