Figure 2.

Phylogenetic reconstructions conducted using the retrotransposon 412 sequences in the melanogaster group of Drosophila . (A) Phylogenetic analysis by maximum likelihood and (B) Network using the gag sequences of full copies obtained from sequenced genomes of the melanogaster group; (C) Network reconstructed using a region of the integrase, sequenced from samples of natural populations of D. melanogaster and D. simulans. In the network, full circles correspond to the sampled sequences; empty circles correspond to the ancestral nodes, which represent lost sequences or sequences not sampled. Circle size corresponds to sequence frequency; branch size is proportional to the number of mutations that occurred, as indicated by the numbers above branches.

Dias and Carareto BMC Evolutionary Biology 2012 12:119   doi:10.1186/1471-2148-12-119
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