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. 2009 Jul 13;77(9):3969–3977. doi: 10.1128/IAI.01362-08

FIG. 4.

FIG. 4.

MLST analysis of 61 Bordetella strains. Unweighted pair group method with arithmetic mean tree with 1,000 bootstraps based on concatenated MLST gene sequences of 61 Bordetella isolates (58 B. bronchiseptica, 2 B. pertussis, and 1 B. parapertussis isolates). The identification number of each strain is listed. The asterisks indicate strains that have undergone or are undergoing full-genome sequencing (42). The ST is labeled next to each strain and the complex is labeled next to each set of STs (complex I, which includes B. bronchiseptica strains, complex II, which includes B. pertussis strains, complex III, which includes B. parapertussis strains, and complex IV, which includes B. bronchiseptica strains that appear to be most closely related to B. pertussis) as previously described (5, 11). The numbers on the tree branches indicate branch strength. All branch strengths below 50 were removed. The scale indicates the relative genetic distances along the branches.