Figure 1.

A) Phylogenetic tree of the Drosophila species used in this study, with TE abundance indicated in Mb. Dots indicate nodes for which ω was estimated on descendant foreground branches. B) TE abundance is correlated with TE family number. Unique, species-specific PILER-DF centroids vs. genomic TE abundance (p = 0.001). rp: Pearson's correlation coefficient. β: regression coefficient (slope).

Castillo et al. BMC Evolutionary Biology 2011 11:258   doi:10.1186/1471-2148-11-258
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