Fig. 3
From: The plasmid-mediated evolution of the mycobacterial ESX (Type VII) secretion systems
The phylogeny of the mycobacteria based on ESX duplication and evolution. Maximum likelihood phylogeny describing the evolution of the mycobacteria based on the concatenated ESX gene cluster amino acid sequences from each species. ESX duplication and deletion events influenced the evolution and diversification of the mycobacteria as described in the text. Species which contain plasmid ESX gene clusters are underlined. One thousand subsets were generated for bootstrapping resampling of the data