International Journal of Genomics

Research Article

Positive Selection of Squalene Synthase in Cucurbitaceae Plants

Table 5

Parameter estimation and likelihood ratio tests for the branch-site model.


Model		Estimates of parameters		LRT pairs				Positively selected sites (BEB)

BSa1	114	f: , , ,						None
BSa1	114	, , ,						None

BSa0_fix	115	f: , , ,	-24079.01	BSa1/BSa0-fix	1	4.18	0.0409
BSa0_fix	115	, , ,	-24076.92					13D , 196S, 278K

BSb1	114	f: , , ,
BSb1	114	, , , p2b = 0.14782	-24074.35	BSb1/BSb0-fix	1	7.02	0.00806	None

BSb0_fix	115	f: , , ,	-24070.84					52A, 157K, 171Y, 180L, 203L, 226M, 289P, 333G
BSb0_fix	115	, , ,

BSe1	114	f: , , ,		BSe1/BSe0-fix	1	6.64	0.00997	None
BSe1	114	, , ,	-24079.9

BSe0_fix	115	f: , , ,	-24076.58					37W 308R
BSe0_fix	115	, , ,

BSf1	114	f: , , ,
BSf1	114	, , ,	-24079.91	BSf1/BSf0-fix	1	3.30	0.06928	None

BSf0_fix	115	f: , , ,	-24078.26					204F
BSf0_fix	115	, , ,

Selection analysis by a branch-site model was performed using CodeML implemented in PAML. BS: branch site. The significant tests at 5% cut-off are labeled with . . Bold: . BS0-fix: fixed ; BS1: fixed .