Genome-wide analysis of WRKY gene family in Cucumis sativus

BMC Genomics

Table 4 Likelihood ratio test results of group 3 AtWRKY and CsWRKY.

Group 3 AtWRKY
Node^a	dN/dS M0^b	2?lnL M3 vs. M0	2?lnL M8 vs. M7	M8 estimates^c	No. of positive selection sites^d
1	0.5712	170.69**	17.76**	ω = 2.78 β(p = 0.76 q = 1.17)	7
2	0.5689	36.21**	6.92*	ω = 4.68 β(p = 0.39 q = 0.34)	10
3	0.3248	141.78**	8.37*	ω = 32.95 β(p = 0.37 q = 0.26)	5
4	0.6485	54.62**	9.97**	ω = 77.65 β(p = 0.66 q = 1.05)	11
5	0.2682	169.06**	10.66**	ω = 3.32 β(p = 0.72 q = 0.78)	9
Group 3 CsWRKY
Node	dN/dS M0	2ΔlnL M3 vs. M0	2ΔlnL M8 vs. M7	M8 estimates	No. of positive selection sites
1	0.3331	37.31**	1.40e-05	ω = 4.28 β(p = 0.85 q = 1.39)	0
2	0.3623	83.01**	8.80e-05	ω = 1.00 β(p = 0.72 q = 1.143)	0
3	0.3081	186.07**	2.99e-05	ω = 24.88 β(p = 0.60 q = 0.55)	0

Note: * p < 0.05 and ** p < 0.01 (χ2 test)
a Node number from the phylogenetic tree
b dN/dS is the average ratio over sites under a codon model with one ratio
c ω was estimated under model M8; p and q are the parameters of the beta distribution
d The number of amino acid sites estimated to have undergone positive selection under M8

ISSN: 1471-2164