TABLE 2.

Summary of gene features^a

Gene	Length (nt)	dn/ds	% GC	Nucleotide diversity/site (π)	No. of alleles	Recombination (P)
ftsZ	445	0.010	47.7 ± 0.6	0.027	22	0.03
topA	583	0.023	48.7 ± 0.1	0.058	49	0.009
pyrH	360	0.000	48.5 ± 0.3	0.027	22	0.04
mreB	507	0.000	49.1 ± 0.4	0.033	44	0.6
recA	498	0.002	46.2 ± 0.3	0.028	56	0.08
gyrB	596	0.000	46.7 ± 0.6	0.04	41	0.001
gapA	607	0.045	46.4 ± 0.2	0.01	20	0.12

^aPhi recombination statistics were used (3).