A Skull Might Lie: Modeling Ancestral Ranges and Diet from Genes and Shape of Tree Squirrels

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F15%3A00085027" target="_blank" >RIV/00216224:14310/15:00085027 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1093/sysbio/syv054" target="_blank" >http://dx.doi.org/10.1093/sysbio/syv054</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/sysbio/syv054" target="_blank" >10.1093/sysbio/syv054</a>

Result language
angličtina
Original language name
A Skull Might Lie: Modeling Ancestral Ranges and Diet from Genes and Shape of Tree Squirrels
Original language description
Tropical forests of Central and South America represent hotspots of biological diversity. Tree squirrels of the tribe Sciurini are an excellent model system for the study of tropical biodiversity as these squirrels disperse exceptional distances, and after colonizing the tropics of the Central and South America, they have diversified rapidly. Here, we compare signals from DNA sequences with morphological signals using pictures of skulls and computational simulations. Phylogenetic analyses reveal step-wise geographic divergence across the Northern Hemisphere. In Central and South America, tree squirrels form two separate clades, which split from a common ancestor. Simulations of ancestral distributions show western Amazonia as the epicenter of speciation in South America. This finding suggests that wet tropical forests on the foothills of Andes possibly served as refugia of squirrel diversification during Pleistocene climatic oscillations.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EG - Zoology
OECD FORD branch
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Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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