ArticleGenome biology and evolution2024
Genomes of Microtus Rodents Highlight the Importance of Olfactory and Immune Systems in Their Fast Radiation.
Article in Genome biology and evolution, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Single-library chromosome-scale diploid assemblies of vole genomes resolve a species-specific duplication implicated in pair bonding.bioRxiv : the preprint server for biology · 2026Article
- A highly contiguous genome assembly for the California vole, Microtus californicus, provides insight into phylogenetic relationships and patterns of synteny among voles.The Journal of heredity · 2026Article
- The Microtus fortis chromosome-level genome: illuminating adaptive evolution and natural parasite immunity.BMC genomics · 2026Article
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7 authors.
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Abstract
The characterization of genes and biological functions underlying functional diversification and the formation of species is a major goal of evolutionary biology. In this study, we investigated the fast radiation of Microtus voles, one of the most speciose group of mammals, which shows strong genetic divergence despite few readily observable morphological differences. We produced an annotated reference genome for the common vole, Microtus arvalis, and resequenced the genomes of 10 different species and evolutionary lineages spanning the Microtus speciation continuum. Our full-genome sequences illustrate the recent and fast diversification of this group, and we identified genes in highly divergent genomic windows that have likely particular roles in their radiation. We found three biological functions enriched for highly divergent genes in most Microtus species and lineages: olfaction, immunity and metabolism. In particular, olfaction-related genes (mostly olfactory receptors and vomeronasal receptors) are fast evolving in all Microtus species indicating the exceptional importance of the olfactory system in the evolution of these rodents. Of note is e.g. the shared signature among vole species on Olfr1019 which has been associated with fear responses against predator odors in rodents. Our analyses provide a genome-wide basis for the further characterization of the ecological factors and processes of natural and sexual selection that have contributed to the fast radiation of Microtus voles.
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