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Table 1 Estimation of non synonymous and synonymous substitutions mean dissimilarity for each sub-family (δ = d N -d S and ω = d N /d S )

From: Genetic variability and evolutionary diversification of membrane ABC transporters in plants

ABC families n. ABC sequences π Nei-Gojobori method SLAC method
δ p-Value ω
A 49 0.607 −13.61 1e-10 0.656
B 131 0.590 −3.56 5e-3 0.911
C 95 0.585 −4.54 1e-5 0.768
D 10 0.432 −7.47 1e-10 0.885
E 10 0.336 −35.31 1e-10 0.237
F 28 0.515 0.434 0.664 0.775
G WBC 298 0.710 1.509 0.133 9.624
G PDR 114 0.480 −13.448 1e-10 0.691
  1. In the table are reported: number of ABC sequences analyzed, the average nucleotide diversity (π) of the ABC subfamilies analyzed using the Nei-Gojobori and SLAC methods and the probability (p-Value < 0.05) of rejecting the null hypothesis of strict-neutrality (dN = dS;dN/dS = 1) in favor of the alternative hypothesis positive selection (dN > dS;dN/dS > 1) or negative selection(dN < dS; dN/dS < 1).