FIG. 2.

PRSI phenetic tree. This bootstrapped neighbor-joining tree was built up with the PRSI data given in Table 2 (nine restriction enzymes tested) by the Nei and Li restriction distance-modified method in PHYLIP RESTDIST and NEIGHBOR programs. One thousand bootstrap replicates were applied, and values were given for each informative node clustering at the species level. All the strains studied are given in Table 1. This tree was rooted on Crithidia fasciculata (Cf2744). The Leishmania species and subgenera are indicated to the right of the tree.