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. 2017 May 12;16:37. doi: 10.1186/s12941-017-0212-2

Fig. 3.

Fig. 3

a Phylogenetic tree of S. flexneri strain SP1 with 14 other S. flexneri isolates. The tree was constructed based on based on alignments of orthologous genes. b Venn diagrams showing the orthologous groups in the five most closely related S. flexneri genomes. Numbers inside the Venn diagrams indicated the number of genes found to be shared among the indicated genomes