Figure 1.

Phylogenetic relationships of the salamanders. In green are the species known to possess Prod1 and to display limb regeneration capacities. Red denotes the extant primitive groups of salamanders (see text for explanation). The tree is based on multiple sources [26-28].

S├ínchez Alvarado BMC Biology 2012 10:88   doi:10.1186/1741-7007-10-88
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