Table 3. Polymorphism and nucleotide diversity of six housekeeping protein-coding genes among Bartonella genotypes.

Genes	Size	N.	Polymorphic (non synonymous) sites		dN	dS	dN/dS	π (%)
	(bp)	alleles	N	%
All genotypes (n = 64)
ftsZ	788	8	147	18.65	0.0064	0.1623	0.0396	4.405
gltA	326	11	73	22.39	0.0128	0.2064	0.0619	5.419
groEL	812	28	217	26.72	0.0118	0.1520	0.0775	4.625
nuoG	325	16	56	17.23	0.0037	0.2262	0.0164	5.801
ribC	408	18	138	33.82	0.0428	0.1816	0.2358	7.562
rpoB	788	9	162	20.56	0.0080	0.1785	0.0449	4.952
Concatenate	3448	41	793	23.00	0.0127	0.1758	0.0724	5.182
B. taylorii (n = 48)
ftsZ	788	4	26	3.30	0.0001	0.0376	0.0037	0.920
gltA	326	7	32	9.82	0.0065	0.0790	0.0820	2.202
groEL	812	22	112	13.79	0.0101	0.0175	0.5784	1.199
nuoG	325	14	51	15.69	0.0047	0.1583	0.0296	4.208
ribC	408	13	98	24.02	0.0158	0.0597	0.2652	2.618
rpoB	788	6	90	11.42	0.0020	0.0570	0.0351	1.542
Concatenate	3448	33	409	11.86	0.0058	0.0548	0.1062	1.760
B. grahamii (n = 16)
ftsZ	788	2	1	0.13	0.0002	0.0000	NA	0.016
gltA	326	2	2	0.61	0.0005	0.0018	0.2722	0.077
groEL	812	4	9	1.11	0.0002	0.0114	0.0175	0.296
nuoG	325	1	0	0.00	0.0000	0.0000	NA	0.000
ribC	408	3	17	4.17	0.0050	0.0070	0.7133	0.547
rpoB	788	2	1	0.13	0.0000	0.0024	0.0000	0.058
Concatenate	3448	7	30	0.87	0.0007	0.0043	0.1733	0.159

π, average number of nucleotide differences per site; dS, number of synonymous changes per synonymous site; dN, number of non-synonymous changes per non-synonymous site; NA, not applicable.