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Host Co-Occurrence and Population Size Explain Genetic Differentiation and Diversity in Seal Lice.

Molecular ecology - 1 Dec 2025

Sromek Ludmila, Johnson Kevin P, Kunnasranta Mervi, Rosing-Asvid Aqqalu, Bäcklin Britt-Marie, Tasmagambetova Aselle, Tovassarov Adylkhan, Rusinek Olga, Ziel Heather L, Rubio-García Ana, Nyman Tommi

Abstract excerpt

We studied the drivers of population-genetic structuring and genetic diversity in specialist parasites based on whole-genome resequencing data from 82 Echinophthirius horridus seal louse individuals sampled from 12 ecologically and behaviourally different phocine seal species, subspecies and populations across the Holarctic. We found that the main genetic disjunctions in E. horridus lice occur across seal host...

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Gene Flow
Genetic Variation
Genetics, Population
Host-Parasite Interactions
Phylogeny

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Population Density

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PMID: 41355290
DOI: 10.1111/mec.70198
PMCID: PMC12717983

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