The tree is created using UPGMA and distances shown are computed based on pairwise allelic differences (hamming distance). Missing genes are not included in the count.
Eyre DW et al.
The 1928D Neisseria gonorrhoeae cgMLST schema is created from 29 reference genomes giving the scheme 1450 core genes. All genes included in the schema are present in at least 95% of reference genomes.