ArticleNature communications2020
American mastodon mitochondrial genomes suggest multiple dispersal events in response to Pleistocene climate oscillations.
Article in Nature communications, 2020. 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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5 citing papers in PubMed, 19 citations in OpenAlex.
- Repeated climate-driven dispersal and speciation in peripheral populations of Pleistocene mastodons.Science advances · 2025Article
- A Million Years of Mammoth Mitogenome Evolution.Molecular biology and evolution · 2025Article
- Article
- The origin and evolution of open habitats in North America inferred by Bayesian deep learning models.Nature communications · 2022Article
- Overkill, glacial history, and the extinction of North America's Ice Age megafauna.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
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Authors and funding
19 authors at 11 institutions in 4 countries.
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Abstract
Pleistocene glacial-interglacial cycles are correlated with dramatic temperature oscillations. Examining how species responded to these natural fluctuations can provide valuable insights into the impacts of present-day anthropogenic climate change. Here we present a phylogeographic study of the extinct American mastodon (Mammut americanum), based on 35 complete mitochondrial genomes. These data reveal the presence of multiple lineages within this species, including two distinct clades from eastern Beringia. Our molecular date estimates suggest that these clades arose at different times, supporting a pattern of repeated northern expansion and local extirpation in response to glacial cycling. Consistent with this hypothesis, we also note lower levels of genetic diversity among northern mastodons than in endemic clades south of the continental ice sheets. The results of our study highlight the complex relationships between population dispersals and climate change, and can provide testable hypotheses for extant species expected to experience substantial biogeographic impacts from rising temperatures.
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