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Table 5 Likelihood ratio tests in NOS and Rel2 between models that allow codon sites to evolve under positive selection (M3, M2a, M8) and those that do not (M0, M1a, M7).

From: The molecular evolution of four anti-malarial immune genes in the Anopheles gambiae species complex

AMONG SITES TESTS

NOS

Rel2

Model

Ln

2ΔLn a

p-value

Ln

2ΔLn a

p-value

df

M0

-1981.64533

12.83610

0.0121*

-1384.06495

15.63108

0.0036*

4

M3

-1975.22728

  

-1376.24941

   

M1a

-1975.76521

1.04519

n.s.

-1376.33264

0.00004

n.s.

2

M2a

-1975.24262

  

-1376.33262

   

M7

-1975.59590

0.72744

n.s

-1376.64901

0.77912

n.s.

2

M8

-1975.23218

  

-1376.25945

   
  1. * Significant p-value at 0.05 significance level; df: degrees of freedom
  2. a This quantity is compared to the critical values of a chi-square distribution with the respective degrees of freedom