Fraser, G.J. and Standing, A. and Underwood, Charlie J. and Thiery, A.P. (2020) The dental lamina: an essential structure for perpetual tooth regeneration in sharks. Integrative and Comparative Biology 60 (3), pp. 644-655. ISSN 1540-7063.
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Abstract
In recent years non-classical models have emerged as mainstays for studies of evolutionary, developmental and regenerative biology. Genomic advances have promoted the use of alternative taxa for the study of developmental biology, and the shark is one such emerging model vertebrate. Our research utilizes the embryonic shark (Scyliorhinus canicula) to characterize key developmental and regenerative processes that have been overlooked or not possible to study with more classic developmental models. Tooth development is a major event in the construction of the vertebrate body plan, linked in part with the emergence of jaws. Early development of the teeth and morphogenesis is well known from the murine model, but the process of tooth redevelopment and regeneration is less well known. Here we explore the role of the dental lamina in the development of a highly regenerative dentition in sharks. The shark represents a polyphyodont vertebrate with continuously repeated whole tooth regeneration. This is presented as a major developmental shift from the more derived renewal process that the murine model offers, where incisors exhibit continuous renewal and growth of the same tooth. Not only does the shark offer a study system for whole unit dental regeneration, it also represents an important model for understanding the evolutionary context of vertebrate tooth regeneration.
Metadata
| Item Type: | Article |
|---|---|
| Additional Information: | This is a pre-copyedited, author-produced PDF of an article accepted for publication following peer review. The version of record is available online at the link above. |
| School: | Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences |
| Research Centres and Institutes: | Earth and Planetary Sciences, Institute of |
| Depositing User: | Charles Underwood |
| Date Deposited: | 24 Sep 2020 12:50 |
| Last Modified: | 02 Aug 2023 18:04 |
| URI: | https://eprints.bbk.ac.uk/id/eprint/40909 |
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