ArticleScientific reports2019
Host specificity drives genetic structure in a freshwater mussel.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Applying genomic approaches to delineate conservation strategies using the freshwater mussel Margaritifera margaritifera in the Iberian Peninsula as a model.Scientific reports · 2022Article
- Establishing conservation units to promote recovery of two threatened freshwater mussel species (Bivalvia: Unionida:Ecology and evolution · 2021Article
- Higher mortality of the less suitable brown trout host compared to the principal Atlantic salmon host when infested with freshwater pearl mussel (Margaritifera margaritifera) glochidia.Parasitology research · 2021Article
- The genetic diversity and differentiation of mussels with complex life cycles and relations to host fish migratory traits and densities.Scientific reports · 2020Article
- Parasitic mussels induce upstream movement in their fish hosts: early evidence of extended phenotype.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
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Authors and funding
4 authors.
Funding
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Abstract
Parasites often depend on their hosts for long distance transport, and genetic population structure can be strongly affected by host specificity and dispersal. Freshwater pearl mussel (Margaritifera margaritifera) populations have previously been found to naturally infest either primarily Atlantic salmon ('salmon-mussel') or exclusively brown trout ('trout-mussel') across a wide geographic range. Here, we experimentally test whether this intraspecific variation in natural infestation can be explained by host specificity in freshwater pearl mussel. Our experiments show that when both host species were exposed to larvae from salmon- and trout-mussel respectively, salmon-mussel larvae almost never infested brown trout and vice versa. This suggests that host specificity can explain variation in natural infestation among the studied freshwater pearl mussel populations. Host specificity provides a link to the species' variable population genetic structure, as mussel populations limited to Atlantic salmon, the host with stronger dispersal, show higher genetic diversity and weaker differentiation than populations limited to brown trout as host.
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