. 2015 Sep 4;7(9):2692–2704. doi: 10.1093/gbe/evv177

Table 1.

Parameter Estimates under Models of Variable dN/dS Ratios of the selA Gene among ε-Proteobacteria Lineages

Model	dN/dS on Branches				Log Likelihood	LRT
Model	#0	#1	#2	#3	Log Likelihood	LRT
H0: (1 rate)	0.11	=#0	=#0	=#0	−23,198.31
H1: (2 rates)	0.05	=#0	=#0	0.23	−23,126.97	3.5E-33^a
H2: (3 rates)	0.02	=#0	0.08	0.24	−23,111.25	1.1E-08^b
H3: (4 rates)	0.02	0.003	0.08	0.24	−23,106.83	0.002^c

Note.—Branches are numbered as in figure 3; #0 represents the tree root.

^aH1 versus H0, df = 1.

^bH2 versus H1, df = 1.

^cH3 versus H2; df = 1.