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Table 1 Characteristics of the third-generation linkage map of the honey bee

From: A third-generation microsatellite-based linkage map of the honey bee, Apis mellifera, and its comparison with the sequence-based physical map

Linkage group

Number of markers

Genetic length (cM)

Recombinant

Density of markers

Physical map

Recombination rate (cM/Mb)

Interference: gamma shape parameter

  

Haldane function

Kosambi function

B map

V map

 

Number of scaffolds

Assembled length (bp)

  

LG01

273

600.6

575.9

553.3

543.2

2.11

83

25,834,090

22.29

3.49

LG02

143

335.6

321.9

296.7

305.3

2.25

43

13,972,177

23.04

2.61

LG03

137

288.6

276.9

260.9

265.3

2.02

39

11,721,520

23.62

2.76

LG04

115

302.1

290.9

272.8

260.0

2.53

27

10,956,690

26.55

2.47

LG05

121

278.9

265.3

252.2

253.7

2.19

33

12,900,692

20.56

3.37

LG06

139

318.7

305.7

316.3

266.3

2.20

55

15,039,083

20.33

3.18

LG07

117

246.4

237.9

239.1

205.3

2.03

47

10,548,973

22.55

2.42

LG08

112

233.1

224.3

239.1

189.5

2.00

47

10,889,223

20.60

3.18

LG09

105

229.8

220.3

202.2

202.1

2.10

26

9,832,907

22.40

2.26

LG10

124

241.4

232.5

218.5

226.3

1.88

45

10,442,577

22.26

3.14

LG11

125

233.9

223.4

222.8

208.4

1.79

42

12,471,977

17.91

2.50

LG12

100

228.2

219.3

203.3

220.0

2.19

30

9,859,010

22.24

2.72

LG13

95

206.6

197.7

175.0

192.6

2.08

21

9,266,737

21.33

2.54

LG14

107

208.1

200.5

200

186.3

1.87

25

8,776,661

22.84

3.38

LG15

112

194.3

184.0

180.4

177.9

1.64

42

8,109,687

22.69

1.88

LG16

83

143.7

138.0

143.5

125.3

1.66

21

6,072,872

22.72

2.23

Total

2,008

4,290.0

4,114.5

3,976.1

3,827.4

2.05

626

186,694,876

22.04

2.70

  1. For each linkage group and the whole genome (total) are indicated: the number of markers mapped (1,346 for family B alone, 128 for family V alone, 534 for both); the genetic length of the map: Haldane and Kosambi functions of distance calculated on the combined map (B + V) (the Kosambi function is used for the calculation of the ratios in the other columns); and the number of recombinations for families B and V normalized by progeny numbers; the density of markers (calculation including null distances) - the density is homogeneous for all chromosomes except 15 and 16 which were further worked for superscaffolding assistance (see text), all distances are smaller than 10 cM; the number of scaffolds that were integrated in assembly version 4.0 with AmelMap3 as the framework; the physical length of the scaffolds in assembly 4.0; the recombination rate as a ratio of the genetic length in centimorgans (cM) over the physical length in megabases (Mb). interference: shape parameter of the fitted gamma(ν, 2ν) distribution.