A model for the interplay between plastic tradeoffs and evolution in changing environments
Open Access
- 3 April 2020
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences of the United States of America
- Vol. 117 (16), 8934-8940
- https://doi.org/10.1073/pnas.1915537117
Abstract
Performance tradeoffs are ubiquitous in both ecological and evolutionary modeling, yet they are usually postulated and built into fitness and ecological landscapes. However, tradeoffs depend on genetic background and evolutionary history and can themselves evolve. We present a simple model capable of capturing the key feedback loop: evolutionary history shapes tradeoff strength, which, in turn, shapes evolutionary future. One consequence of this feedback is that genomes with identical fitness can have different evolutionary properties shaped by prior environmental exposure. Another is that, generically, the best adaptations to one environment may evolve in another. Our simple framework bridges the gap between the phenotypic Fisher’s Geometric Model and the genotypic properties, such as modularity and evolvability, and can serve as a rich playground for investigating evolution in multiple or changing environments.Funding Information
- NSF | MPS | Division of Physics (1607606)
- NSF | MPS | Division of Physics (1545840)
- NSF | MPS | Division of Physics (1720397)
- Simons Foundation (Simons investigator award)
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