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Table 4 Parameter estimates and LRT of M3 vs. MD and M1a vs. MC in GLO-like genes from Poales-specific clades 1 and 21.

From: Positive selection and ancient duplications in the evolution of class B floral homeotic genes of orchids and grasses

Model

Estimate of parameters

L

M3 discrete

k = 2

ω0 = 0.01674, f0 = 0.58033

ω1 = 0.22754, f1 = 0.41967

-3440.487607

M3 discrete

k = 3

ω0 = 0.01674, f0 = 0.58033

ω1 = 0.22754, f1 = 0.41967

ω2 = 32.14375, f2 = 0.00000

-3440.487645

Model D

k = 2

ω0 = 0.22754, f0 = 0.41968

ω1P1 = 0.01605, ω1P2 = 0.01734, f1 = 0.58032

-3440.475354

Model D

k = 3

ω0 = 48.10696, f0 = 0.00000

ω1 = 0.01695, f1 = 0.58176

ω2P1 = 0.26322, ω2P2 = 0.20131, f2 = 0.41824

-3439.561525

Model 1a

ω0 = 0.08103, f0 = 0.96439

ω1 = 1.00000, f1 = 0.03561

-3484.524831

Model C

ω 0 = 0.21164, f 0 = 0.42529

ω 1 = 1.00000, f 1 = 0.01051

ω 2P1 = 0.01484, ω 2P2 = 0.01608, f 2 = 0.56420

-3439.651822

  1. LRTs of variable ω's among sites
  2. M3(k =) vs M3 (k =) 2δ = -7.6E-05 df = 2 P = 1
  3. LRTs of variable ω's among sites and branches
  4. M3 (k = 2) vs MD (k = 2) 2δ = 0.024506 df = 2 P = 0.9878
  5. M3 (k = 3) vs MD (k = 3) 2δ = 1.85224 df = 2 P = 0.3961
  6. M3 (k = 2) vs MD (k = 3) 2δ = 1.852164 df = 4 P = 0.7629
  7. M1a vs MC 2δ = 89.746018 df = 2 P < 0.0001
  8. 1. Bonferroni correction for the 6 tests applied to each pair of clades: 0.008333
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BMC Ecology and Evolution

ISSN: 2730-7182

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