GALTIER Nicolas

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  • Institut des Sciences de l'Evolution, CNRS - UniversitĂ© Montpellier - IRD - EPHE, Montpellier, France
  • Bioinformatics & Computational Biology, Genome Evolution, Molecular Evolution, Phylogenetics / Phylogenomics, Population Genetics / Genomics
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2017-11-10
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Rates of Molecular Evolution Suggest Natural History of Life History Traits and a Post-K-Pg Nocturnal Bottleneck of Placentals
Wu J, Yonezawa T, Kishino H.
https://doi.org/10.1016/j.cub.2017.08.043

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A new approach to DNA-aided ancestral trait reconstruction in mammals

Reconstructing ancestral character states is an exciting but difficult problem. The fossil record carries a great deal of information, but it is incomplete and not always easy to connect to data from modern species. Alternatively, ancestral states can be estimated by modelling trait evolution across a phylogeny, and fitting to values observed in extant species. This approach, however, is heavily dependent on the underlying assumptions, and typically results in wide confidence intervals.

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