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Figure 2 | BMC Microbiology

Figure 2

From: Internalin profiling and multilocus sequence typing suggest four Listeria innocua subgroups with different evolutionary distances from Listeria monocytogenes

Figure 2

Population history in L. innocua - L. monocytogenes clade inferred by the distribution of the exterior/interior branch length ratio of trees resulting from ClonalFrame analysis as compared to trees simulated under the coalescent model. L. innocua spp. (A) and its group subgroup I (B), and L. monocytogenes spp. (D) and its lineage I (E) show a significantly smaller exterior/interior branch length ratio (p < 0.05) than expected under the coalescent model, while L. innocua subgroup II (C) and L. monocytogenes lineages II (F) and III (G) do not.

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