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Measuring animal age with DNA methylation: from humans to wild animals

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De Paoli-Iseppi, R, Deagle, BE, McMahon, CR, Hindell, MA ORCID: 0000-0002-7823-7185, Dickinson, JL ORCID: 0000-0003-4621-1703 and Jarman, SN 2017 , 'Measuring animal age with DNA methylation: from humans to wild animals' , Frontiers in Genetics, vol. 8 , pp. 1-8 , doi: 10.3389/fgene.2017.00106.

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Abstract

DNA methylation (DNAm) is a key mechanism for regulating gene expression in animals and levels are known to change with age. Recent studies have used DNAm changes as a biomarker to estimate chronological age in humans and these techniques are now also being applied to domestic and wild animals. Animal age is widely used to track ongoing changes in ecosystems, however chronological age information is often unavailable for wild animals. An ability to estimate age would lead to improved monitoring of (i) population trends and status and (ii) demographic properties such as age structure and reproductive performance. Recent studies have revealed new examples of DNAm age association in several new species increasing the potential for developing DNAm age biomarkers for a broad range of wild animals. Emerging technologies for measuring DNAm will also enhance our ability to study age-related DNAm changes and to develop new molecular age biomarkers.

Item Type: Article
Authors/Creators:De Paoli-Iseppi, R and Deagle, BE and McMahon, CR and Hindell, MA and Dickinson, JL and Jarman, SN
Keywords: ageing, conservation, ecology, epigenetics, methylation, wild animals
Journal or Publication Title: Frontiers in Genetics
Publisher: Frontiers Research Foundation
ISSN: 1664-8021
DOI / ID Number: 10.3389/fgene.2017.00106
Copyright Information:

Copyright 2017 De Paoli-Iseppi, Deagle, McMahon, Hindell, Dickinson and Jarman. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

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