Additional data file 5.

The triplicate sets of numbers on the tree represent bootstrap values from neighbor-joining, parsimony, and maximum-likelihood algorithms, respectively. Asterisks represent bootstrap values below 50%. The outer taxonomic unit genotype numbers correspond with genotype sequences recorded in Additional data file 4. The outer taxonomic units are color coded by genotype for the tir 255 T>A polymorphism and host origin. The scale bar represents substitutions per site.

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Clawson et al. Genome Biology 2009 10:R56   doi:10.1186/gb-2009-10-5-r56