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NEIGHBOURNET phylogeny created from hpuB nucleotide sequences from 151 Neisseria isolates. Families A and B are depicted. Circles denote N. meningitidis isolates and are colour coded by clonal complex. N. gonorrhoeae isolates are represented by black squares. Squares also depict the non-pathogenic Neisseria species which are colour coded. Scale bar represents 1% nucleotide substitutions per site with a fit index of 97%.
