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Table 1 Testing adaptive diversification in D. simulans using D. melanogaster, D. simulans and D. sechellia sequence comparisons.

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

Gene

Map

â„“M0

â„“M1

2Δℓa

â„“M2

2Δℓb

ℓ(ω = 1)

ℓ(ω)

2Δℓc

CG9936

78A

-12873.9

-12868.2

11.5

-12873.7

0.5

-12843.5

-12843.5

0.0

CG10510

78C

-2045.6

-2041.3

8.5

-2042.67

5.9

-2041.6

-2041.7

0.2

CG9389

78C

-2837.7

-2834.6

6.2

-2835.8

3.8

-2826.2

-2829.4

6.3

CG32436

78C

-7261.6

-7230.0

63.2

-7259.4

4.5

-7218.2

-7218.2

0.0

CG7405

78F

-1422.1

-1415.9

12.4

-1421.7

0.8

-1422.1

-1422.1

0.0

CG7478

79A

-1288.0

-1283.4

9.1

-1283.4

9.1

-1276.9

-1281.2

8.5

CG31542

83A

-898. 2

-892.0

12.3

-893.4

9.6

-873.4

-887.2

27.6

CG1041

83E

-2402.3

-2394.8

15.1

-2399.3

5.9

-2386.2

-2382.2

0.0

CG15179

84A

-890.0

-889.2

1.7

NA

NA

-878.3

-888.5

20.5

CG1030

84A

-1954.5

-1946.0

16.9

-1953.7

1.6

-1936.7

-1936.7

0.0

CG1984

84B

-2081.0

-2074.0

14.0

-2074.3

13.3

-1992.6

-2014.7

44.2

CG7362d

88D

-2209.9

-2209.1

1.4

NA

NA

-2199.2

-2202.4

6.3

CG6125

88F

-3268.6

-3259.0

19.2

-3268.3

0.6

-3246.1

-3246.1

0.0

CG3158

89A

-4968.6

-4960.7

15.7

-4961.8

13.6

-4775.0

-4911.8

273.6

CG14891d

89B

-2687.7

-2685.4

4.7

NA

NA

-2688.1

-2691.4

6.5

CG31287

89B

-1220.8

-1220.5

0.6

NA

NA

-1203.8

-1216.2

24.8

CG6963

89B

-2061.3

-2057.8

7.0

-2060.1

2.5

-2053.4

-2053.4

0.0

CG31232e

91A

-664.5

-659.8

9.5

-661.7

5.5

-643.1

-643.1

0.0

CG14307e

91A

-4285.9

-4278.2

15.4

-4279.2

13.4

-4066.8

-4175.1

216.5

CG6255

92A

-2099.4

-2088.3

22.1

-2088.4

21.9

-1966.6

-2039.2

145.3

CG4836

92B

-6245.6

-6229.6

32.1

-6245.5

0.2

-6190.0

-6204.6

29.1

CG12249

92B

-3301.2

-3297.0

8.4

-3298.2

6.0

-3301.2

-3301.2

0.0

  1. aThe test statistics compares the likelihood (â„“) of the free-ratios model (â„“M1) to the likelihood of a model that assumes constant ratios along branches (â„“M0). The test statistics follows a chi-square distribution with two degrees of freedom. Significant values (P < 0.05) are bolded.
  2. bThe test statistics compares the likelihood (ℓ) of a model allowing for an ω estimate along the D. simulans branch and a different ω estimate for the background branches (ℓM2) to the likelihood of a model that assumes constant ratios along branches (ℓM0). The test statistics follows a chi-square distribution with one degree of freedom. Significant values (P < 0.05) are bolded.
  3. cThe test statistics compares the likelihood (ℓ) of a branch-site model with the same model but fixing the foreground ω to 1. The test statistics follows a chi-square distribution with one degree of freedom. Significant values (P < 0.05) are bolded.
  4. dComparisons are D. melanogaster -- D. simulans -- D. mauritiana.
  5. eVariable results depending on the D. melanogaster open reading frame used in the analysis (See Additional file 1).