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. 2013 Apr 11;7(4):e2170. doi: 10.1371/journal.pntd.0002170

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© 2013 Cavallero et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Evolutionary history of the Ascaris sp. partial cox1 mitochondrial DNA sequences, obtained by Neighbor Joining analysis. The same topology was obtained for Bayesian analyses. Numbers at nodes branches represent posterior probability (BPP) values of Dataset 2, Dataset 1 and bootstrap values (A = Cluster A, including subclusters A1 and A2; B = Cluster B; C = Cluster C). The bar shows the mean number of base substitution per site. H and P in codes represent human and pig hosts, respectively. Colored dots indicate ITS RFLP genotypes (blue: A. lumbricoides, red: A. suum, green: hybrid genotype). Trend for host affiliation is indicated on the right of the tree, as defined by the proportional size of human and pig gray figures.