Table 3.

PCBBH scores based on phylogenetic distances between pairs of organisms

Pair of organisms	Phylogenetic distance
N. gonorrhoea, N. meningitidis	0.01
M. genitalium, M. pneumoniae	0.01
E. coli, H. influenzae	0.21
M. genitalium, B. subtilis	0.41
M. genitalium, Synechocystis sp.	0.80
M. genitalium, E. coli	0.88
M. genitalium, P. furiosus	1.57

N., Neisseria; M., Mycoplasma; E., Escherichia; H., Haemophilus; P., Pyrococcus.