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. 2004 Dec 22;4:48. doi: 10.1186/1471-2180-4-48

Figure 3.

Figure 3

Similarity and phylogenetic analyses of tra units showing the close relatedness of the UWE25 tra unit with the operons involved in the F-like conjugative systems: (A) UPGMA tree of gene order analysis and (B) UPGMA tree comparing the Kimura corrected p-distances of the concatenated traA, traK, traB, traV, and traC gene present along the UWE25 tra unit and the F-like, I-like and P-like plasmids [20]. The bar represents estimated evolutionary distance scale. The numbers at each node are the results of a bootstrap analysis; each value is derived from 100 samples.