Table 1.

Genome size, base substitution rate (μ), mutation bias in the A/T direction (m, $m={\mu }_{\text{G:C}\to \text{A:T}+\text{G:C}\to \text{T:A}}/{\mu }_{\text{A:T}\to \text{G:C}+\text{A:T}\to \text{C:G}}$) and the effective population size (N_e) of different species of bacteria

Species	Genome size (Mb)	μ	μA:T > C:G	m	Ne
Agrobacterium tumefaciens C58	5.67	2.92	0.60	1.38	3.42
Bacillus subtilis NCBI 3610	4.29	3.28	0.44	1.27	0.61
Burkholderia cenocepacia HI2424	7.70	1.33	0.49	0.85	2.47
Escherichia coli K-12 MG1655	4.64	2.23	0.86	1.10	1.80
Photorhabdus luminescens ATCC29999	5.17	0.59	0.00	10.28	7.00
Pseudomonas aeruginosa PA14	6.58	0.79	0.21	1.52	2.10
Pseudomonas fluorescens SBW25	6.72	0.93	0.29	1.17	–
Staphylococcus aureus ATCC25923	2.81	4.38	0.48	4.57	–
Vibrio cholerae 2740-80	3.95	1.07	0.33	2.30	4.78

Except for P. luminescens ATCC29999, data are from Dettman et al. (2016), Long et al. (2018c), and Lynch et al. (2016). μ and μ_{A:T > C:G} are in units of × 10^–10 per site per cell division, N_e is in 10⁸