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Table 2 Testing adaptive diversification in D. simulans and/or D. mauritiana using D. mauritiana, D. simulans and D. sechellia sequence comparisons.

From: Third chromosome candidate genes for conspecific sperm precedence between D. simulans and D. mauritiana

  

D. simulans a

D. mauritiana a

Geneb

Map

ℓ (ω = 1)

ℓ (ω)

2Δℓc

ω

ℓ (ω = 1)

ℓ (ω)

2Δℓc

ω

CG9389

78C3

-2413.9

-2413.9

0

 

-2413.9

-2413.9

0

 

CG7478

79A6

-1212.7

-1206.4

12.6***

713.4

-1213.8

-1213.8

0

 

CG31542

83A1

-837.1

-822.5

29.2***

62.8

-837.3

-837.3

0

 

CG1041d

83E4

-2386.2

-2382.2

0

 

-2382.2

-2341.1

82.2***

999

CG15179

84A1

-747.2

-747.2

0

 

-747.1

-747.1

0

 

CG1984

84B2

-1861.6

-1841.2

40.8***

20.6

-1865.5

-1865.5

0

 

CG7362d

88D2

-2202.4

-2199.2

6.4*

999

-2202.4

-2199.2

6.4*

999

CG3158

89A5

-4249.9

-4232.3

35.2***

999

-4250.2

-4250.2

0

 

CG31287

89B7

-1041.3

-1021.5

39.6***

999

-1041.3

-1041.3

0

 

CG14891d

89B20

-2691.4

-2688.1

6.5*

17.4

-2691.4

-2688.5

5.7*

15.7

CG6255

92A5

-1229.1

-1189.7

78.7***

999

-1230.1

-1230.1

0

 

CG4836

92B4

-5881.8

-5881.8

0

 

-5880.8

-5864.5

32.6***

999

  1. aForeground branch being tested.
  2. bCandidate genes previously detected as experiencing positive selection along the D. simulans branch in comparisons with D. melanogaster and D. sechellia or with D. melanogaster and D. mauritiana (see Table 1).
  3. cFor each gene tested, we compared the likelihood (ℓ) of the branch-site model (Model = 2; NSsite = 2) with the same model but fixing the ω value of the foreground branch to 1. The test statistics follows a chi-square distribution with one degree of freedom. *** P < 0.001; ** P < 0.01; *P < 0.05.
  4. dComparisons are D. melanogaster -- D. simulans -- D. mauritiana.