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Figure 1 | BMC Genomics

Figure 1

From: Transcriptomic analysis of the lesser spotted catshark (Scyliorhinus canicula) pancreas, liver and brain reveals molecular level conservation of vertebrate pancreas function

Figure 1

Phylogenetic tree of the major extant vertebrate groups. The relationships of the most common chondrichthyan (cartilaginous fish) model species (Elephant shark, Callorhinchus milii; Little skate, Leucoraja erinacea; Lesser spotted catshark, Scyliorhinus canicula; Spiny dogfish, Squalus acanthias) are shown, as are representative lineages from the ray-finned (actinopterygian) and lobe-finned (sarcopterygian) fish. The origin of the combined endocrine and exocrine pancreatic gland at the base of the jawed vertebrates is indicated.

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