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Table 4
Summary statistics and parameter estimates from analyses of positive selection for selected rapidly evolving sex-associated genes
Gene name	Number of taxa	Locus size^a	Model	lnl	p-value	Estimated parameters			Mean dN/dS	Codons^b
						dN/dS (ω0)	dN/dS (ω1)	dN/dS (ω2)
NCU01720	12	273	M1a	−1755.83		ω0: 0.0296, p0: 0.7505	ω1: 1, p1: 0.2495		0.272
			M2a	−1755.47	0.7012	ω0: 0.0368, p0: 0.7603	ω1: 1, p1: 0.2373	ω2: 35.1811, p2: 0.0024	0.349	0
			M7	−1755.82		p: 0.0458	q: 0.1244		0.270
			M8	−1755.82	1.00	p0: 0.8107	p: 0.0591, q: 0.5334	ω: 1	0.270	0
NCU03013	12	195	M1a	−1298.67		ω0: 0.0130, p0: 0.7967	ω1: 1, p1: 0.2033		0.214
			M2a	−1290.09	0.0002	ω0: 0.0280, p0: 0.8068	ω1: 1, p1: 0.1769	ω2: 10.1583, p2: 0.0163	0.365	2
			M7	−1298.70		p: 0.0088	q: 0.0284		0.211
			M8	−1289.99	0.0002	p0: 0.9834	p: 0.0628, q: 0.2608	ω: 9.9750	0.356	3
NCU03584	7	343	M1a	−2157.94		ω0: 0, p0: 0.8807	ω1: 1, p1: 0.1193		0.119
			M2a	−2157.20	0.4788	ω0: 0, p0: 0.8848	ω1: 1, p1: 0.1014	ω2: 3.1613, p2: 0.0138	0.145	0
			M7	−2158.31		p: 0.0064	q: 0.0427		0.102
			M8	−2157.38	0.3965	p0: 0.8943	p: 0.005, q: 1.9927	ω: 1.3373	0.141	0
NCU06387	12	407	M1a	−3150.19		ω0: 0.0779, p0: 0.7367	ω1: 1, p1: 0.2633		0.321
			M2a	−3144.92	0.0051	ω0: 0.1610, p0: 0.8954	ω1: 1, p1: 0	ω2: 2.4839, p2: 0.1046	0.404	0
			M7	−3151.76		p: 0.0984	q: 0.194		0.336
			M8	−3144.94	0.0011	p0: 0.8963	p: 19.2341, q: 99	ω: 2.4946	0.404	2
NCU07311	11	174	M1a	−1345.32		ω0: 0, p0: 0.6612	ω1: 1, p1: 0.3388		0.339
			M2a	−1340.47	0.0078	ω0: 0.1134, p0: 0.8530	ω1: 1, p1: 0.0171	ω2: 3.1712, p2: 0.1299	0.526	1
			M7	−1345.56		p: 0.0093	q: 0.0189		0.303
			M8	−1340.47	0.0061	p0: 0.8661	p: 3.8329, q: 27.2819	ω: 3.1319	0.525	3

^aNumber of analyzed codons

^bNumber of positively selected codons identified with the models

Nygren et al. BMC Evolutionary Biology 2012 12:229 doi:10.1186/1471-2148-12-229

Table 4