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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Ancestral polymorphism and recent invasion of transposable elements in Drosophilaspecies

Figure 1

Phylogenetic reconstructions conducted using sequences of the DNA transposon Bari in the melanogaster group of Drosophila . (A) Phylogenetic analysis by maximum likelihood and (B) Network using the sequences of the transposase of the full-length copies obtained from sequenced genomes of the melanogaster group; (C) Network reconstructed using a region of the transposase sequenced in natural populations of the D. melanogaster and D. simulans species. In the network, full circles correspond to the sampled sequences; empty circles correspond to median vectors 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 the branches.

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