. 2015 Jul 10;7(8):2173–2187. doi: 10.1093/gbe/evv135

Table 1.

Levels of Variation in the Sequences of Genes and in Gene Content within the 14 Examined Species and Correlations between These Types of Variation

Species Name	No. of Analyzed Genomes	Minimal AAI	Maximal Fluidity	Spearman’s ρ^a	% of Increase in Genomic Fluidity per 1% Decrease in AAI	% of Increase in Genomic Fluidity per 1% Decrease in AAI for Strains with AAI >99.5%
Bacillus cereus	13	93.05	0.225	−0.843 (P ≪ 0.0001)	1.51	N/A
Campylobacter jejuni	13	95.72	0.279	−0.812 (P ≪ 0.0001)	4.89	7.32
Clostridium botulinum	10	95.60	0.191	−0.638 (P ≪ 0.0001)	2.65	N/A
Corynebacterium diphtheriae	13	98.00	0.147	−0.474 (P ≪ 0.0001)	4.95	N/A
Corynebacterium pseudotuberculosis^b	15	98.59	0.103	−0.746 (P ≪ 0.0001)	4.03	15.46
Eschirechia coli–Shigella	60	97.37	0.287	−0.677 (P ≪ 0.0001)	5.66	13.65
Francisella tularensis^b	12	98.84	0.168	−0.748 (P ≪ 0.0001)	6.33	8.95
Haemophilus influenzae	10	95.98	0.216	−0.417 (P = 0.0056)	2.34	N/A
Listeria monocytogenes	26	96.06	0.133	−0.825 (P ≪ 0.0001)	1.71	10.14
MTBC^b	20	99.62	0.140	−0.820 (P ≪ 0.0001)	26.16	26.16
Neisseria meningitides	14	97.52	0.162	−0.785 (P ≪ 0.0001)	5.67	N/A
Pseudomonas aeruginosa	13	94.57	0.169	−0.759 (P ≪ 0.0001)	1.77	N/A
Streptococcus pneumonia	21	97.67	0.187	−0.567 (P ≪ 0.0001)	5.56	N/A
Yersinia pestis^b	12	99.65	0.164	−0.632 (P ≪ 0.0001)	31.31	31.31

Note.—N/A denotes species that have few or no pairs of strains with AAI >99.5%.

^aSpearman’s ρ coefficient calculated for correlation between AAI and genomic fluidity for considered bacterial species. P-value is shown in parentheses.

^bClonal species.