Comp Biochem Physiol A Mol Integr Physiol
Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenka str., Ivano-Frankivsk 76018, Ukraine. Electronic address:
Published: March 2020
Non-genetic inheritance of metabolic state over multiple generations has been widely reported in insects. The present study uses the fruit fly, Drosophila melanogaster, to assess whether lifespan, physiological traits and metabolism are affected by the dietary protein-to-carbohydrate ratio (P:C) of the prior adult generation. Groups of parental flies were fed diets with different P:C ratios. Their progeny groups were raised on the same diet so the only variable in the experiments was the diet fed to the parents. Parental P:C affected the lifespan of female offspring, however had no impact on F1 males survival. Low parental P:C increased feeding rate in progeny. An increase in the P:C ratio from 0.03 to 0.65 decreased the levels of body glucose and trehalose in the offspring and a similar tendency was observed in the levels of circulating hemolymph glucose and trehalose. Offspring also accumulated less triglycerides but more glycogen when parents were fed a low P:C diet. Our study indicates that the parental dietary P:C ration has a strong impact on the lifespan, reproduction, appetite and metabolism in the offspring generation.
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http://dx.doi.org/10.1016/j.cbpa.2019.110622 | DOI Listing |
Int Breastfeed J
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Instutite of Health Sciences, Istanbul Medipol University, Istanbul, Turkey.
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Department of Family Relations and Applied Nutrition, University of Guelph, Guelph, Canada. Electronic address:
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