Project description
A common developmental origin may explain similar evolution patterns in multiple species
Different species sometimes evolve during the same period to exhibit similar phenotypes, a phenomenon called parallel evolution. Further, sometimes this occurs with multiple seemingly unrelated traits such as behavioural ones and physical ones. While one explanation could be natural selection – that somehow this combination of traits helps all these species do better – another explanation could simply be that all the traits share a common developmental origin. The EU-funded EvoOnRepeat project will investigate this in six species of lizard that share a complex pattern of evolved traits that all develop from neural crest cells, a type of vertebrate embryonic cells. Insight could help us 'predict' evolutionary patterns better.
Objective
The diversity of life may seem endless. Yet, a closer look reveals that evolution often is on repeat. This is most striking when the same suite of characters evolves over and over again. One explanation for such parallel evolution is that development produces some phenotypes readily and frequently, while others are rare or impossible. Evolution must go where development leads.
I have identified a rare opportunity to put the role of development in adaptive evolution to the test. At least six species of wall lizards have repeatedly evolved a complex syndrome, including striking coloration, stout bodies, large heads, and aggressive behaviour. All these traits develop from the same cell type, neural crest cells. I propose that this developmental coupling allows seemingly unrelated traits – colours, morphologies and behaviours – to vary together. As a result, variation is channelled down particular routes, resulting in parallel evolution. I will test this hypothesis by establishing ‘Evo-Devo 2.0’ – merging evolutionary and developmental biology in a comparative framework. Firstly, I will reveal if independent origins of the syndrome share the same transcriptional and epigenetic modifications of neural crest cells. Secondly, I will identify how parallelism at the phenotypic level is mirrored at the genomic level. Thirdly, I will use gene editing to functionally validate the results and reconstruct the evolutionary steps at the origin of the syndrome.
If my hypothesis is correct, my insights will demonstrate that understanding development enables us to make evolution more predictable. Failure to attend to the arrival of the fittest has left us poorly equipped to predict how invasive species evolve, or if species will adapt to environmental challenges. My research will fill this explanatory gap by showing that it is possible to understand the rules by which individuals vary, and use this insight to explain why evolution proceeds some ways rather than others.
Fields of science (EuroSciVoc)
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CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology materials engineering colors
- natural sciences biological sciences cell biology
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
ERC-STG - Starting Grant
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Call for proposal
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(opens in new window) ERC-2020-STG
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80539 MUNCHEN
Germany
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