Characteristics of the reparative regeneration of fins in the polypterid fish (Polypteridae, Actinopterygii)

Characteristics of the reparative regeneration of fins in the polypterid fish (Polypteridae,... Epimorphic regeneration of fins was studied in different ray-finned fishes (Actinopterygii), but species representing the phylogenetically basal lineages of the taxon have remained outside the attention of researchers. Information on the regenerative abilities of these groups is important both for understanding the evolutionary origins of the epimorphic regeneration phenomenon and for assessing the universality of regenerative potencies in Actinopterygii. Addressing this problem, we studied for the first time fin regeneration in two members of the archaic family Polypteridae: the ropefish (Erpetoichthys calabaricus) and the Senegal bichir (Polypterus senegalus). Along with the ability to regenerate the bony rays of fins, widespread among Actinopterygii, polypterids show the ability to effectively regenerate the endoskeleton and musculature of their fins. This unusual feature allows us to suggest polypterids as new model organisms for the study of the mechanisms of vertebrate limb regeneration. Russian Journal of Developmental Biology Springer Journals

Characteristics of the reparative regeneration of fins in the polypterid fish (Polypteridae, Actinopterygii)

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SP MAIK Nauka/Interperiodica
Copyright © 2012 by Pleiades Publishing, Ltd.
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
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