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Exploring the ageing methylome in the model insect, Nasonia vitripennis
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Brink, K., Thomas, C. L., Jones, A., Chan, T. W. and Mallon, E. B. (2024) Exploring the ageing methylome in the model insect, Nasonia vitripennis. BMC Genomics, 25 (1). p. 305. doi:10.1186/s12864-024-10211-7 ISSN 1471-2164.
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Official URL: http://doi.org/10.1186/s12864-024-10211-7
Abstract
Background: The ageing process is a multifaceted phenomenon marked by the gradual deterioration of cellular and organismal functions, accompanied by an elevated susceptibility to diseases. The intricate interplay between genetic and environmental factors complicates research, particularly in complex mammalian models. In this context, simple invertebrate organisms have been pivotal, but the current models lack detectable DNA methylation limiting the exploration of this critical epigenetic ageing mechanism. This study introduces Nasonia vitripennis, the jewel wasp, as an innovative invertebrate model for investigating the epigenetics of ageing. Leveraging its advantages as a model organism and possessing a functional DNA methylation system, Nasonia emerges as a valuable addition to ageing research. Results: Whole-genome bisulfite sequencing unveiled dynamic alterations in DNA methylation, with differentially methylated CpGs between distinct time points in both male and female wasps. These changes were associated with numerous genes, enriching for functions related to telomere maintenance, histone methylation, and mRNA catabolic processes. Additionally, other CpGs were found to be variably methylated at each timepoint. Sex-specific effects on epigenetic entropy were observed, indicating differential patterns in the loss of epigenetic stability over time. Constructing an epigenetic clock containing 19 CpGs revealed a robust correlation between epigenetic age and chronological age. Conclusions: Nasonia vitripennis emerges as a promising model for investigating the epigenetics of ageing, shedding light on the intricate dynamics of DNA methylation and their implications for age-related processes. This research not only expands the repertoire of ageing models but also opens avenues for deeper exploration of epigenetic mechanisms in the context of ageing.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
SWORD Depositor: | Library Publications Router | ||||
Journal or Publication Title: | BMC Genomics | ||||
Publisher: | BioMed Central | ||||
ISSN: | 1471-2164 | ||||
Official Date: | 22 March 2024 | ||||
Dates: |
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Volume: | 25 | ||||
Number: | 1 | ||||
Page Range: | p. 305 | ||||
DOI: | 10.1186/s12864-024-10211-7 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Re-use Statement: | ** From Springer Nature via Jisc Publications Router ** History: received 24-01-2024; registration 11-03-2024; accepted 11-03-2024; epub 22-03-2024; online 22-03-2024; collection 12-2024. ** Licence for this article: http://creativecommons.org/licenses/by/4.0/ ** Acknowledgements: Not applicable | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Date of first compliant deposit: | 11 April 2024 | ||||
Date of first compliant Open Access: | 11 April 2024 | ||||
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