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Table 3 Estimates of selection on synonymous codons for the concatenated sequence data.

From: Molecular evolution of synonymous codon usage in Populus

Test log L 2 Δ L a MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGaeGOmaiJaeuiLdq0aa0baaSqaaiabdYeambqaaiabdggaHbaaaaa@30C6@ df p
Full model -121729.0 - - -
Symmetric mutation rates -122177.1 896.1 24 p < 0.0001
Mutation rates equal in all lineages -122357.5 1257.1 77 p < 0.0001
No selection in P. deltoides -121730.5 3.0 1 0.083
No selection in P. euphratica -121729.7 1.4 1 p = 0.237
No selection in P. nigra -121729.4 0.8 1 p = 0.371
No selection in P. tremula -121744.4 30.9 1 < 0.0001
No selection in P. trichocarpa -121729.2 0.4 1 p = 0.527
Selection equal in all lineages -121818.6 179.3 8 < 0.001
  1. aComparison with the full model