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Availability of prey resources drives evolution of predator–prey interaction
Open accessAbstract
Productivity is predicted to drive the ecological and evolutionary dynamics of predator-prey interaction through changes in resource allocation between different traits. Here we report results of an evolutionary experiment where prey bacteria Serratia marcescens was exposed to predatory protozoa Tetrahymena thermophila in low- and high-resource environments for approximately 2400 prey generations. Predation generally increased prey allocation to defence and caused prey selection lines to become more diverse. On average, prey became most defensive in the high-resource environment and suffered from reduced resource use ability more in the low-resource environment. As a result, the evolution of stronger prey defence in the high-resource environment led to a strong decrease in predator-to-prey ratio. Predation increased temporal variability of populations and traits of prey. However, this destabilizing effect was less pronounced in the high-resource environment. Our results demonstrate that prey resource availability can shape the trade-off allocation of prey traits, which in turn affects multiple properties of the evolving predator-prey system.
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“Experiments show that these factors can promote animal diversification (12).”
From Atmosphere-ocean oxygen and productivity dynamics during early animal radiations (2019) · cites this paper as [12]
In the citing paper
“With more food and O2 available, the carrying capacity for prey and carnivores in the marine ecosystem would have been higher, and this could have promoted further animal radiations (12).”
From Atmosphere-ocean oxygen and productivity dynamics during early animal radiations (2019) · cites this paper as [12]
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Metadata
- Authors
- Friman, V.-P., Hiltunen, T., Laakso, J., & Kaitala, V.
- Affiliations
- University of Helsinki (FI)
- University of Jyväskylä (FI)
- Corresponding author
- Friman, Ville-Petri
- Venue
- Proceedings of the Royal Society B: Biological Sciences
- Publisher
- The Royal Society
- Published
- 2008-04-22
- Volume
- 275
- Issue
- 1643
- Pages
- 1625-1633
- ISSN
- 0080-4649 (ISSN-L)
- 0962-8452
- 1471-2954
- PMC
- PMC2602816
- OpenAlex
- W2108544902
- Cited by
- 101
- References
- 52
- Citations by year
- 2026: 6 · 2024: 22 · 2023: 5 · 2022: 6 · 2021: 4 · 2020: 3 · 2019: 3 · 2018: 2 · 2017: 1 · 2016: 6 · 2015: 3 · 2014: 8 · 2013: 10 · 2012: 5
- FWCI
- 3.24
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the Royal Society B Biological Sciences (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Academy of Finland
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Physical Sciences › Mathematics › Applied Mathematics › Mathematical and Theoretical Epidemiology and Ecology Models
- Keywords
- predator-prey interactions, Serratia marcescens, Tetrahymena thermophila, bacterial predation, prey defense, resource allocation trade-offs, evolutionary dynamics, population stability, temporal variation, predator-prey ratio, protozoan predation
- MeSH terms
- Animals, Biological Evolution, Predatory Behavior, Selection, Genetic, Serratia marcescens, Tetrahymena thermophila, Biomass
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