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Phylogenetic recons...
Phylogenetic reconstruction of ancestral ecological networks through time for pierid butterflies and their host plants
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- Braga, Mariana P. (author)
- Stockholms universitet,Zoologiska institutionen,Washington University in St. Louis, USA
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- Janz, Niklas (author)
- Stockholms universitet,Zoologiska institutionen,Department of Zoology Stockholm University Stockholm Sweden
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- Nylin, Sören (author)
- Stockholms universitet,Zoologiska institutionen,Department of Zoology Stockholm University Stockholm Sweden
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- Ronquist, Fredrik, 1962- (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik,Fredrik Ronquists grupp
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- Landis, Michael J. (author)
- Department of Biology Washington University in St. Louis St. Louis MO USA
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(creator_code:org_t)
- 2021-07-23
- 2021
- English.
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In: Ecology Letters. - : Wiley. - 1461-023X .- 1461-0248. ; 24:10, s. 2134-2145
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Abstract
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- The study of herbivorous insects underpins much of the theory that concerns the evolution of species interactions. In particular, Pieridae butterflies and their host plants have served as a model system for studying evolutionary arms races. To learn more about the coevolution of these two clades, we reconstructed ancestral ecological networks using stochastic mappings that were generated by a phylogenetic model of host-repertoire evolution. We then measured if, when, and how two ecologically important structural features of the ancestral networks (modularity and nestedness) evolved over time. Our study shows that as pierids gained new hosts and formed new modules, a subset of them retained or recolonised the ancestral host(s), preserving connectivity to the original modules. Together, host-range expansions and recolonisations promoted a phase transition in network structure. Our results demonstrate the power of combining network analysis with Bayesian inference of host-repertoire evolution to understand changes in complex species interactions over time.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- ancestral state reconstruction
- coevolution
- ecological networks
- herbivorous insects
- host range
- host repertoire
- modularity
- nestedness
- phylogenetics
- Diversity of life
Publication and Content Type
- ref (subject category)
- art (subject category)
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