Evo-devo in cartilaginous fishes - teeth, scales and the cartilaginous skeleton of the catshark Scyliorhinus canicula

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• Mélanie Debiais-Thibaud (University of Montpellier)
• Wednesday 02 November 2016, 13:00-14:00
• Part II Lecture Theatre, Department of Zoology.

If you have a question about this talk, please contact Olivia Tidswell.

Vertebrates are defined by their typical skeletal units including a cranial and postcranial cartilaginous or bony skeleton. Recent advances in the knowledge of genomic and transcriptomics data, together with access to developmental series in cartilaginous fishes have allowed the description of developmental gene expression patterns that shed new light on the evolutionary innovations of the vertebrate skeletons. In this seminar, I will focus on the evolution of the mineralization processes in jawed vertebrates, both at the level of tooth and scale development, and in endoskeletal units of jawed vertebrates. Taking the small-spotted catshark Scyliorhinus canicula as a (tentatively) model organism for chondrichtyes, we will question what might be ancestral and derived in their developmental processes.

This talk is part of the Evolution and Development Seminar Series series.

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