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| Main Authors: | , , , , , , , , , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
BMC biology
2026
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/41787358/ |
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| _version_ | 1868266076991651840 |
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| author | Feinauer, Isabelle Sofie Ravasini, Francesco Lagerholm, Vendela Kempe Måsviken, Johannes Olsen, Remi-Andre Soler, Lucile Proux-Wera, Estelle Bunikis, Ignas Lantz, Henrik Lindblad-Toh, Kerstin Ehrich, Dorothee Ims, Rolf A Henttonen, Heikki Eide, Nina E Flagstad, Øystein Norén, Karin Angerbjörn, Anders Dalén, Love |
| author_facet | Feinauer, Isabelle Sofie Ravasini, Francesco Lagerholm, Vendela Kempe Måsviken, Johannes Olsen, Remi-Andre Soler, Lucile Proux-Wera, Estelle Bunikis, Ignas Lantz, Henrik Lindblad-Toh, Kerstin Ehrich, Dorothee Ims, Rolf A Henttonen, Heikki Eide, Nina E Flagstad, Øystein Norén, Karin Angerbjörn, Anders Dalén, Love Feinauer, Isabelle Sofie Ravasini, Francesco Lagerholm, Vendela Kempe Måsviken, Johannes Olsen, Remi-Andre Soler, Lucile Proux-Wera, Estelle Bunikis, Ignas Lantz, Henrik Lindblad-Toh, Kerstin Ehrich, Dorothee Ims, Rolf A Henttonen, Heikki Eide, Nina E Flagstad, Øystein Norén, Karin Angerbjörn, Anders Dalén, Love |
| collection | PubMed - marine biology |
| contents | Whole genomes reveal subpopulations and isolation-by-distance patterns in the Norwegian lemming. Feinauer, Isabelle Sofie Ravasini, Francesco Lagerholm, Vendela Kempe Måsviken, Johannes Olsen, Remi-Andre Soler, Lucile Proux-Wera, Estelle Bunikis, Ignas Lantz, Henrik Lindblad-Toh, Kerstin Ehrich, Dorothee Ims, Rolf A Henttonen, Heikki Eide, Nina E Flagstad, Øystein Norén, Karin Angerbjörn, Anders Dalén, Love Animals Genome Norway Arvicolinae Genetic Variation Genetics, Population The Norwegian lemming (Lemmus lemmus) is a small rodent endemic to the Fennoscandian alpine and arctic tundra. The species is known for cyclic population outbreaks and mass movements during peak years. Previous research based on microsatellites revealed high genetic variation but a weak population structure in the Norwegian lemming. In this study, we revisit the population structure of the species using genome-wide data. To do this, we generated a high-quality de novo reference genome for Lemmus lemmus, and resequenced genomes to 2.5-5 × coverage, from 86 lemmings sampled across the species' entire geographic distribution. Our results reveal that the population is geographically structured into distinct subpopulations, with an overall pattern characterised by isolation-by-distance among subpopulations. Furthermore, our results are consistent with earlier work suggesting that the species survived the last ice age within a northern refugium. Together, these findings provide a genome-wide perspective on today's population structure of the Norwegian lemming. In addition, we provide a de novo reference genome, which we believe will be a valuable resource to the research community. |
| format | Artículo científico |
| id | pubmed_41787358 |
| institution | PubMed |
| language | en |
| publishDate | 2026 |
| publisher | BMC biology |
| record_format | pubmed |
| spellingShingle | Whole genomes reveal subpopulations and isolation-by-distance patterns in the Norwegian lemming. Feinauer, Isabelle Sofie Ravasini, Francesco Lagerholm, Vendela Kempe Måsviken, Johannes Olsen, Remi-Andre Soler, Lucile Proux-Wera, Estelle Bunikis, Ignas Lantz, Henrik Lindblad-Toh, Kerstin Ehrich, Dorothee Ims, Rolf A Henttonen, Heikki Eide, Nina E Flagstad, Øystein Norén, Karin Angerbjörn, Anders Dalén, Love Animals Genome Norway Arvicolinae Genetic Variation Genetics, Population Whole genomes reveal subpopulations and isolation-by-distance patterns in the Norwegian lemming. Feinauer, Isabelle Sofie Ravasini, Francesco Lagerholm, Vendela Kempe Måsviken, Johannes Olsen, Remi-Andre Soler, Lucile Proux-Wera, Estelle Bunikis, Ignas Lantz, Henrik Lindblad-Toh, Kerstin Ehrich, Dorothee Ims, Rolf A Henttonen, Heikki Eide, Nina E Flagstad, Øystein Norén, Karin Angerbjörn, Anders Dalén, Love Animals Genome Norway Arvicolinae Genetic Variation Genetics, Population The Norwegian lemming (Lemmus lemmus) is a small rodent endemic to the Fennoscandian alpine and arctic tundra. The species is known for cyclic population outbreaks and mass movements during peak years. Previous research based on microsatellites revealed high genetic variation but a weak population structure in the Norwegian lemming. In this study, we revisit the population structure of the species using genome-wide data. To do this, we generated a high-quality de novo reference genome for Lemmus lemmus, and resequenced genomes to 2.5-5 × coverage, from 86 lemmings sampled across the species' entire geographic distribution. Our results reveal that the population is geographically structured into distinct subpopulations, with an overall pattern characterised by isolation-by-distance among subpopulations. Furthermore, our results are consistent with earlier work suggesting that the species survived the last ice age within a northern refugium. Together, these findings provide a genome-wide perspective on today's population structure of the Norwegian lemming. In addition, we provide a de novo reference genome, which we believe will be a valuable resource to the research community. |
| title | Whole genomes reveal subpopulations and isolation-by-distance patterns in the Norwegian lemming. |
| topic | Animals Genome Norway Arvicolinae Genetic Variation Genetics, Population |
| url | https://pubmed.ncbi.nlm.nih.gov/41787358/ |