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Figure 6 | BMC Evolutionary Biology

Figure 6

From: Extensive horizontal transfer of core genome genes between two Lactobacillus species found in the gastrointestinal tract

Figure 6

Normalized pairwise distances between the species of the acidophilus complex. Single protein families supporting either topology Ta (closed blue dots) or Tb (open green circles) of Fig. 3 are plotted as a function of normalized pairwise evolutionary distances. Results are presented for protein tree topologies resolved at the 80% confidence level. Horizontal and vertical lines indicate the median of these two groups of proteins on the vertical or horizontal distance axis, respectively (plain blue and dashed green lines for Ta and Tb, respectively). Diagonal dotted lines are drawn to help visualization of the relation between distances on the horizontal and vertical axes. *, the most pronounced difference between Ta and Tb proteins is found in the normalized distances between L. acidophilus and L. johnsonii.

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