Phenotypic plasticity, trade-offs and gene expression changes accompanying dietary restriction and switches in Bactrocera dorsalis (Hendel) (Diptera: Tephritidae)

Scientific Reports
Er-Hu ChenJin-Jun Wang

Abstract

In this study, we investigated the effects of dietary restriction (DR) and variable diets on phenotypes and gene expression in oriental fruit fly, Bactrocera dorsalis (Hendel), one of the most economically important pests in the family Tephritidae around the world. As expected, we found that DR altered the B. dorsalis phenotypes by significantly increasing stress resistance and lifespan, but reduced egg production when compared with the control diet. The results suggested a trade-off between reproduction versus somatic maintenance (stress resistance) and lifespan in B. dorsalis. Diet also had a significant effect on hatchability, and DR could increase the egg hatching success of B. dorsalis. Furthermore, DR up-regulated metabolic pathways involved in energy homeostasis and down-regulated pathways in egg production, which might mediate trade-offs between somatic maintenance and reproduction under DR regimes. The gene expression profiles in response to the acute dietary switches indicated that the digestive and metabolic pathways maybe involved in the adaptability of flies to variable dietary resources. In summary, the research facilitates a better understanding of the molecular mechanisms responsible for the B. dorsalis' phenoty...Continue Reading

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Citations

Mar 2, 2019·The Journal of Experimental Biology·Christopher W WeldonSusan W Nicolson
Jun 13, 2018·Nature Reviews. Cancer·Robert J GilliesRobert A Gatenby
Dec 8, 2019·BMC Genomics·Nasser BashkeelJonathan M Lee
Nov 17, 2020·Frontiers in Genetics·Michael L Logan, Christian L Cox
Feb 18, 2021·Proceedings. Biological Sciences·Moritz D Lürig, Blake Matthews
Jun 26, 2021·Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics·Qiu-Li Hou, Er-Hu Chen

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Methods Mentioned

BETA
RNA-Seq
electrophoresis
PCR

Software Mentioned

bio
SPSS
NOISeq
Bowtie2

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