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• W4372294518 abstract "Abstract Background In many organisms increased reproductive effort is associated with a shortened life span. This trade-off is reflected in conserved molecular pathways that link nutrient-sensing with fecundity and longevity. Social insect queens apparently defy the fecundity / longevity trade-off as they are both, extremely long-lived and highly fecund. Here, we have examined the effects of a protein-enriched diet on these life-history traits and on tissue-specific gene expression in a termite species of low social complexity. Results On a colony level, we did not observe reduced lifespan and increased fecundity, effects typically seen in solitary model organisms, after protein enrichment. Instead, on the individual level mortality was reduced in queens that consumed more of the protein-enriched diet – and partially also in workers – while fecundity seemed unaffected. Our transcriptome analyses supported our life-history results. Consistent with life span extension, the expression of IIS (insulin/insulin-like growth factor 1 signalling) components was reduced in fat bodies after protein enrichment. Interestingly, however, genes involved in reproductive physiology (e.g., vitellogenin) were largely unaffected in fat body and head transcriptomes. Conclusion These results suggest that IIS is decoupled from downstream fecundity-associated pathways, which can contribute to the remoulding of the fecundity/longevity trade-off in termites as compared to solitary insects." @default.
• W4372294518 created "2023-05-07" @default.
• W4372294518 creator A5005084633 @default.
• W4372294518 creator A5023641228 @default.
• W4372294518 creator A5068186904 @default.
• W4372294518 date "2023-05-05" @default.
• W4372294518 modified "2023-10-09" @default.
• W4372294518 title "The remoulding of dietary effects on the fecundity / longevity trade-off in a social insect" @default.
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• W4372294518 doi "https://doi.org/10.1186/s12864-023-09335-z" @default.
• W4372294518 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37147612" @default.
• W4372294518 hasPublicationYear "2023" @default.
• W4372294518 type Work @default.

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