Significats de cartilaginous fishes en anglès

Gnathostomes subsequently diverged into two groups, the cartilaginous fishes and the bony vertebrates.

The possible presence of crypt neuron-like cells in chondrichthyes would represent an interesting common feature between bony and cartilaginous fishes.

We identify a novel ACSBG-like gene lineage which occurs specifically in amphibians, ray finned fishes, coelacanths and cartilaginous fishes named ACSBG3.

Lake sturgeon, Acipenser fulvescens, are one of a few species of cartilaginous fishes that complete their life cycle entirely in freshwater.

Although this has been observed in other vertebrates, we are the first to show that the pattern is present in cartilaginous fishes.

Overall these results suggest that the Ah receptor evolved at least 450 million years ago, prior to the divergence of bony and cartilaginous fishes.

Our functional studies suggest that the lack of genes encoding secreted calcium-binding phosphoproteins in cartilaginous fishes explains the absence of bone in their endoskeleton.

The presence of this receptor neuron type is well documented in different species of bony fishes but it has never been described in cartilaginous fishes.