Investigations on the Nature of the Cost of Reproduction: Susceptibility to Heat Stress in Fruitflies

: Studies in various species have shown that changes in reproductive activity result in inverse changes in life span. It is interesting to know how this “cost of reproduction” is incurred. It is possible that reproductive activity renders the organism more vulnerable to stress and that accumulated d...

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Bibliographic Details
Published in:Annals of the New York Academy of Sciences 2004-06, Vol.1019 (1), p.368-369
Main Authors: KOOCHMESHGI, JALAL, LADONNI, SHADI, HOSSEINI-MAZINANI, SEYED MEHDI
Format: Article
Language:English
Subjects:
Animals
cost of reproduction
Drosophila
Female
fruitfly
Genes, Insect
heat stress
Heat Stress Disorders
Hot Temperature
Longevity
Male
Reproduction
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Summary:: Studies in various species have shown that changes in reproductive activity result in inverse changes in life span. It is interesting to know how this “cost of reproduction” is incurred. It is possible that reproductive activity renders the organism more vulnerable to stress and that accumulated damage has a role in the observed decrease in life span. Previously, other investigators had shown that mated female fruitflies have significantly shorter life spans than virgin females. We compare mated and virgin young fruitflies for susceptibility to lethal heat stress. Preliminary results suggest that mated fruitflies are significantly more susceptible to heat stress than virgin ones.
ISSN:0077-8923
1749-6632
DOI:10.1196/annals.1297.064