Table 2.

The genes in which accelerated evolution might be driven by positive Darwinian selection

Gene ID	Description	Lineagea	dN/dS
			A	B	C	D	E
YDR197W	Mitochondrial translational activator of the COB mRNA	B	0.078	1.472	0.092	0.088	0.131
YER174C	Hydroperoxide and superoxide- radical responsive glutathione- dependent oxidoreductase	B	0.086	1.243	0.033	0.102	0.044
YFR041C	telomere maintenance	B	0.132	1.138	0.054	0.111	0.071
YGL119W	Protein required for ubiquinone (coenzyme Q) biosynthesis and for respiratory growth	B	0.045	4.607	0.044	0.073	0.078
YMR006C	glycerophospholipid metabolism	C	0.060	0.036	2.788	0.060	0.052
YPL248C	galactose metabolism; DNA- dependent regulation of transcription	C	0.175	0.240	1.078	0.145	0.170

^a: Lineage in which the accelerations of protein evolutionary rates occurred.