ArticleEvolution; international journal of organic evolution2021
Infection phenotypes of a coevolving parasite are highly diverse, structured, and specific.
Article in Evolution; international journal of organic evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Genomic insights into antagonistic coevolution: collagen-like protein expansion and genome plasticity in the Daphnia parasite Pasteuria ramosa.G3 (Bethesda, Md.) · 2026Article
- Article
- Genetic basis of resistance in hosts facing alternative infection strategies by a virulent bacterial pathogen.G3 (Bethesda, Md.) · 2025Article
- Bdelloid rotifers deploy horizontally acquired biosynthetic genes against a fungal pathogen.Nature communications · 2024Article
- Long-term balancing selection for pathogen resistance maintains trans-species polymorphisms in a planktonic crustacean.Nature communications · 2024Article
- A common multi-host parasite shows genetic structuring at the host species and population levels.Parasitology · 2024Article
- Ectopical expression of bacterial collagen-like protein supports its role as adhesin in host-parasite coevolution.Royal Society open science · 2024Article
- Loss of species and genetic diversity during colonization: Insights from acanthocephalan parasites in northern European seals.Ecology and evolution · 2023Article
- Uncovering the Genomic Basis of Infection Through Co-genomic Sequencing of Hosts and Parasites.Molecular biology and evolution · 2023Article
- QTL study reveals candidate genes underlying host resistance in a Red Queen model system.PLoS genetics · 2023Article
- Genetic slippage after sex maintains diversity for parasite resistance in a natural host population.Science advances · 2022Article
- High levels of inbreeding with spatial and host-associated structure in lice of an endangered freshwater seal.Molecular ecology · 2022Article
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7 authors.
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Abstract
Understanding how diversity is maintained in natural populations is a major goal of evolutionary biology. In coevolving hosts and parasites, negative frequency-dependent selection is one mechanism predicted to maintain genetic variation. While much is known about host diversity, parasite diversity remains understudied in coevolutionary research. Here, we survey natural diversity in a bacterial parasite by characterizing infection phenotypes for over 50 isolates in relation to 12 genotypes of their host, Daphnia magna. We find striking phenotypic variation among parasite isolates, and we discover the parasite can infect its host through at least five different attachment sites. Variation in attachment success at each site is explained to varying degrees by host and parasite genotypes. A spatial correlation analysis showed that infectivity of different isolates does not correlate with geographic distance, meaning isolates from widespread populations are equally able to infect the host. Overall, our results reveal that infection phenotypes of this parasite are highly diverse. Our results are consistent with the prediction that under Red Queen coevolutionary dynamics both the host and the parasite should show high genetic diversity for traits of functional importance in their interactions.
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