Genome-wide identification and expression analysis of expansin gene family in common wheat (Triticum aestivum L.)

Table 3 Parameters estimation and likelihood ratio tests for the branch-site models

Cluster	Site class	Proportion	Backgroud	Foregroud	Positive Selected Sites^a
Cluster	Site class	Proportion	ɯ	ɯ	Positive Selected Sites^a
EXPA	0	1	0.05125	0.05125	NONE
	1	0	1	1
	2a	0	0.05125	1
	2b	0	1	1
EXPB	0	0.94523	0.05111	0.05111	NONE
	1	0	1	1
	2a	0.05477	0.05111	160.397
	2b	0	1	160.397
EXLA	0	0.76842	0.05103	0.05103	166G,169Y,170F,182G
	1	0	1	1
	2a	0.32973	0.05103	1.52409
	2b	0	1	1.52409

^aPositive-selection site are inferred at poster probabilities > 80%
*Sites were also found to be implicated in the functional divergence
Note: All sites are located on the reference sequence TaEXPA1-A based on the multiple alignment results

ISSN: 1471-2164