Nikiforova A I, Golichenkov V A
Ontogenez. 2012 Mar-Apr;43(2):136-42.
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.
人们在不同的辐鳍鱼类（硬骨鱼纲）中研究了鳍的形态再生，但代表该分类单元系统发育基部谱系的物种一直未受到研究人员的关注。这些类群的再生能力信息对于理解形态再生现象的进化起源以及评估硬骨鱼纲再生潜能的普遍性都很重要。为了解决这个问题，我们首次研究了古老的多鳍鱼科两个成员的鳍再生：线鳍鱼（Erpetoichthys calabaricus）和塞内加尔多鳍鱼（Polypterus senegalus）。除了具有在硬骨鱼纲中广泛存在的再生鳍骨射线的能力外，多鳍鱼还表现出有效再生其鳍的内骨骼和肌肉组织的能力。这一不寻常的特征使我们能够提出将多鳍鱼作为研究脊椎动物肢体再生机制的新模型生物。
