Table 2 Summary of genome-wide and chromosome-wide significant QTL across both populations and all linkage analyses

From: Mapping and validation of a major QTL affecting resistance to pancreas disease (salmonid alphavirus) in Atlantic salmon (Salmo salar)

Population

Analysis

Chromosome

No. of SNPs

Map length (cM)

QTL position (cM)

F-statistic

Chromosome-wide F-stat threshold (P<0.05/0.01)

No. of segregating parents

Proportion of within family variance explained (%)

POP 1

 

Sparse Sire

3

1

NA

NA

2.3a

1.7/2.1

3

7.6/9.2b

   

7

3

NA

NA

2.2a

1.6/2.0

3

7.4/5.5b

   

23

2

NA

NA

2.3c

1.7/2.0

2

8.3/4.8b

 

HS

Sparse Dam

3

1

NA

NA

1.6a

1.5/1.8

5

7.6/9.2b

   

4

2

NA

NA

1.8a

1.5/1.7

6

NS/6.3b

  

Dense Dam

3

12

135

135

1.6a

1.5/1.7

5

NA

   

4

6

77

74

1.5a

1.4/1.7

6

NA

   

7

7

65

NA

1.1NS

1.5/1.7

4

NA

   

23

11

71

NA

0.8NS

1.5/1.7

3

NA

  

Sparse

3

1

NA

NA

9.7a

3.2/6.6

NA

NA

 

SP

 

4

2

NA

NA

20.9c

4.9/9.4

NA

NA

  

Dense

3

12

135

129

12.5a

6.7/11.5

NA

NA

   

4

6

77

75

10.1a

6.3/11.5

NA

NA

POP 2

HS

 

3

234

123

61d

2.3*,a

1.4/1.5

18

23.0

   

2

241

122

65d

1.5a

1.4/1.5

10

10.0

 

SP

 

3

234

123

72d

80.7c

7.5/11.7

NA

NA

   

2

241

122

57d

12.9a

7.0/11.7

NA

NA

   

14

206

69

14d

18.3a

7.4/12.0

NA

NA

  1. Abbreviations: cM, centiMorgan; HS, half-sibling; NS, not significant, QTL, quantitative trait locus; SP, sib-pair.
  2. aChromosome-wide significant.
  3. bProportion of within family variance explained estimated using sire only/sire+dam sparse SNP analysis.
  4. cGenome-wide significant.
  5. dBased on a new map constructed for Chr03 using the genotype data in this study.