Sequence analyses of the distal-less homeoboxgene family in East African cichlid fishes reveal signatures of positive selection

Table 4 Likelihood ratio test (LTR) statistics of site model comparisons for dlx1a , dlx2a , dlx3a and dlx4b

Locus	Test	LRT (2∆ l)	p	Selected sites (BEB)
dlx1a	M0 vs M3	8.416	0.077	-
	M1a vs M2a	3.396	ns	-
	M7 vs M8	3.680	ns	-
	M8a vs M8	5.084	0.012	-
dlx2a	M0 vs M3	70.438	<0.001	-
	M1a vs M2a	39.198	<0.001	36A, 48 T, 255I
	M7 vs M8	43.093	<0.001	36A, 48 T, 195A, 254A, 255I
	M8a vs M8	39.168	<0.001	See M7 vs M8 comparison
dlx3a	M0 vs M3	12.605	0.013	-
	M1a vs M2a	3.858	ns	-
	M7 vs M8	4.258	ns	-
	M8a vs M8	3.872	0.025	37S
dlx4b	M0 vs M3	39.110	<0.001	-
	M1a vs M2a	16.940	<0.001	48Q, 135A, 145 T
	M7 vs M8	17.367	<0.001	48Q, 135A, 145 T
	M8a vs M8	16.931	<0.001	See M7 vs M8 comparison

LRT values, p-values and positively selected sites identified by the BEB (p < 0.01 (in bold) and p < 0.05 (in italic); CodeML) are shown.

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