WHYAGE SIGNED
COULD SENESCENCE BE ADAPTIVE? CAUSES AND CONSEQUENCES OF AGING ACROSS THE TREE OF LIFE
Total Cost €
0EC-Contrib. €
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Project "WHYAGE" data sheet
The following table provides information about the project.
| Coordinator |
SYDDANSK UNIVERSITET
Organization address contact info |
| Coordinator Country | Denmark [DK] |
| Total cost | 200˙194 € |
| EC max contribution | 200˙194 € (100%) |
| Programme |
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility) |
| Code Call | H2020-MSCA-IF-2016 |
| Funding Scheme | MSCA-IF-EF-ST |
| Starting year | 2017 |
| Duration (year-month-day) | from 2017-05-01 to 2019-04-30 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | SYDDANSK UNIVERSITET | DK (ODENSE M) | coordinator | 200˙194.00 |
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Project objective
Why do organisms age? This is surely one of the most compelling questions in biology. With advancing age, organisms can see physiological decline leading to higher mortality and lower fertility, a process known as ‘senescence’. The foundations of aging research state senescence should be inevitable in any organism, and is likely a by-product of attenuation in force of selection with age. But is senescence inevitable? Could senescence be adaptive?
Senescence is not inevitable, according to recent research from the Max Planck Odense Center, University of Southern Denmark. Species’ aging trajectories are diverse; mortality and fertility may increase, decrease or stay constant with age. We need a new way to understand aging, which recognises this diversity and seeks to understand pattern and process in the evolution of aging across the tree of life. The WHYAGE project explores ecological consequences and evolutionary causes of diversity in aging from this ‘macro’ perspective.
Senescence could be adaptive. This proposal presents a theoretical framework under which certain environmental disturbances affecting population age structures could, through population-level processes, favour senescent individuals. More generally, diverse environmental disturbance regimes could help explain diversity of aging across the tree of life.
Three objectives facilitate the project. First, demographic method development will allow better understanding of aging trajectories in mortality and fecundity, and population dynamics influenced by these. Second, comparative phylogenetic analyses of global demographic databases of plants and animals will uncover the consequences of aging for population dynamics across the tree of life. This knowledge will inform the third objective; development of theoretical population models exploring how environmental disturbances and population dynamics feed into evolutionary processes, and using these to find conditions under which senescence may be adaptive.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Annette Baudisch, Iain Stott A pace and shape perspective on fertility published pages: , ISSN: 2041-210X, DOI: 10.1111/2041-210x.13289 |
Methods in Ecology and Evolution | 2019-10-31 |
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