ArticleEcology and evolution2013
The bacterial parasite Pasteuria ramosa is not killed if it fails to infect: implications for coevolution.
Article in Ecology and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Inconsistent dilution: experimental but not field evidence for a dilution effect in Daphnia-bacteria interactions.Oecologia · 2024Article
- Is there a sicker sex? Dose relationships modify male-female differences in infection prevalence.Proceedings. Biological sciences · 2024Article
- Infection phenotypes of a coevolving parasite are highly diverse, structured, and specific.Evolution; international journal of organic evolution · 2021Article
- Density, parasitism, and sexual reproduction are strongly correlated in lakeEcology and evolution · 2021Article
- Experimental evidence of warming-induced disease emergence and its prediction by a trait-based mechanistic model.Proceedings. Biological sciences · 2020Article
- Within-host priority effects and epidemic timing determine outbreak severity in co-infected populations.Proceedings. Biological sciences · 2020Article
- Genetic resistance and specificity in sister taxa of Daphnia: insights from the range of host susceptibilities.Parasites & vectors · 2019Article
- The virulence-transmission relationship in an obligate killer holds under diverse epidemiological and ecological conditions, but where is the tradeoff?Ecology and evolution · 2017Article
- Rapid evolution of virulence leading to host extinction under host-parasite coevolution.BMC evolutionary biology · 2015Article
- The expression and evolution of virulence in multiple infections: the role of specificity, relative virulence and relative dose.BMC evolutionary biology · 2013Article
Corrections and comments
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Authors and funding
5 authors.
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Abstract
Strong selection on parasites, as well as on hosts, is crucial for fueling coevolutionary dynamics. Selection will be especially strong if parasites that encounter resistant hosts are destroyed and diluted from the local environment. We tested whether spores of the bacterial parasite Pasteuria ramosa were passed through the gut (the route of infection) of their host, Daphnia magna, and whether passaged spores remained viable for a "second chance" at infecting a new host. In particular, we tested if this viability (estimated via infectivity) depended on host genotype, whether or not the genotype was susceptible, and on initial parasite dose. Our results show that Pasteuria spores generally remain viable after passage through both susceptible and resistant Daphnia. Furthermore, these spores remained infectious even after being frozen for several weeks. If parasites can get a second chance at infecting hosts in the wild, selection for infection success in the first instance will be reduced. This could also weaken reciprocal selection on hosts and slow the coevolutionary process.
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Registered trials
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