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Table 4 Models used to test if presently expressed genes exhibit higher ω ( d N / d S ) values than the rest of the genes and results of the tests

From: Application of community phylogenetic approaches to understand gene expression: differential exploration of venom gene space in predatory marine gastropods

Model

ω

Ln(L)

P-value

Null: One rate

ω = 1.645

-1091.238

-

Alternative: Two rates

ω1 = 1.418, ω2 = 7.813

-1089.095

0.038

Alternative: Two rates reversed

ω1 = 1.642, ω2 = 1.653

-1091.238

1.000

Alternative: Three rates

ω1 = 1.332, ω2 = 1.651, ω3 = 7.824

-1088.990

0.106

  1. Ln(L): log-likelihood of each model. P-values were estimated with the Likelihood Ratio Tests of null and alternative models. Definitions of ω variables in each model are described in the methods section.