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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Evidence of functional divergence in MSP7 paralogous proteins: a molecular-evolutionary and phylogenetic analysis

Fig. 2

msp7 gene family phylogeny inferred by the DLTRS evolutionary model. a Species tree used for generating the MSP7 tree. b MSP7 tree created by evolving down the species tree. Numbers represent different clades whilst numbers on branches are posterior probability values. Nine major clades were identified on the tree. Proteins were clustered in agreement with parasite phylogenetic relationships, clades 1 (red), 2 (yellow) and 5 (purple) being the most ancestral ones. The clades clustering genes from monkey-parasite lineage are depicted in green, proteins from rodent-parasite lineage in blue and hominid-parasite lineage in grey. The P. inui specie-specific duplicate was not considered in this analysis. Due to the family’s complex evolutionary history (which includes gene conversion, intragenic recombination, positive and/or balancing selection) the MCMC analysis did not converge and therefore the duplication/lost rates were not obtained even though a tree reconciliation similar to other topologies was inferred (BY and ML)

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