Phylogeny and Biogeography of African Murinae
Author Information
Author(s): Lecompte Emilie, Aplin Ken, Denys Christiane, Catzeflis François, Chades Marion, Chevret Pascale
Primary Institution: UMR CNRS 5202, Muséum National d'Histoire Naturelle, Paris, France
Hypothesis
What are the phylogenetic relationships and biogeographic patterns of African Murinae based on mitochondrial and nuclear gene sequences?
Conclusion
The study reveals at least four separate radiations of African murines and multiple phases of dispersal between Asia and Africa over the last 12 million years.
Supporting Evidence
- The study identified ten primary lineages within Murinae with strong support.
- Molecular dating analyses suggest the first colonization of Africa occurred around 11 million years ago.
- Phylogenetic analysis revealed multiple faunal exchanges between Africa and Eurasia.
Takeaway
Scientists studied African mice to understand how they evolved and spread between Africa and Asia, finding that they have a complex history with many different groups.
Methodology
The study used mitochondrial cytochrome b gene and two nuclear gene fragments (IRBP exon 1 and GHR) for phylogenetic analysis.
Limitations
The study may not include all African murine genera, and some relationships remain unresolved.
Digital Object Identifier (DOI)
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