Deep-time evolution of regeneration and preaxial polarity in tetrapod limb development

Nadia B. Fröbisch (), Constanze Bickelmann, Jennifer C. Olori and Florian Witzmann
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Nadia B. Fröbisch: Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science
Constanze Bickelmann: Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science
Jennifer C. Olori: State University of New York at Oswego
Florian Witzmann: Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science

Nature, 2015, vol. 527, issue 7577, 231-234

Abstract: Salamanders are the only tetrapod that can fully regenerate their limbs and tail, a capacity that might be linked to their unique preaxial mode of limb development; here, data from fossils reveal the existence of preaxial polarity in various amphibians from the Carboniferous and Permian periods, suggesting that salamander-like regeneration is an ancient feature of tetrapods that was subsequently lost at least once in the lineage leading to amniotes.

Date: 2015
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DOI: 10.1038/nature15397

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