Figure. Phylogeny and clusters of multispacer typing (MST) genotypes of Bartonella henselae isolates from humans and cats, Japan, based on 9 concatenated intergenic spacer sequences in 57 MST genotypes. The unweighted pair-group method with arithmetic mean method in MEGA4 software (12) was used for phylogenetic analysis. Dotted rectangles show 4 clusters of MST genotypes, 2 of which correspond to the B. henselae Houston-1 and Marseille type strains. Scale bar indicates nucleotide substitutions per site.
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