Table 1

Evolutionary rate analysis of 11S globulin family using branch-specific model of PAML

Model

ω setting

-ln L

Estimated parameters

Likelihood ratio test


One-ratio

entire tree: ω0

38214.64

ω0 = 0.234

Two-ratio

monocot subfamily: ω0

38210.14

ω0 = 0.212

two ratio vs. one ratio: P < 0.01

dicot subfamily 1& 2: ω1

ω1 = 0.249

Three-ratio

monocot subfamily: ω0

38209.98

ω0 = 0.212

three ratio vs. one ratio: P < 0.01

dicot subfamily 1: ω1

ω1 = 0.252

three ratio vs. two ratio: P > 0.05

dicot subfamily 2: ω2

ω2 = 0.243

Six-ratio

branch A: ω1

38182.58

ω1 = 0.225

six ratio vs. one ratio: P < 0.01

branch B: ω2

ω2 = 0.373

six ratio vs. two ratio: P < 0.01

branch C: ω3

ω3 = 0.198

six ratio vs. three ratio: P < 0.01

branch D: ω4

ω4 = 0.242

branch E: ω5

ω5 = 0.187

other branches: ω0

ω0 = 0.283


Li et al. BMC Evolutionary Biology 2012 12:15   doi:10.1186/1471-2148-12-15

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