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Table 1 Characteristics of B. juncea map based on the distribution of 533 At loci derived from the five chromosomes of Arabidopsis thaliana

From: Comparative mapping of Brassica juncea and Arabidopsis thaliana using Intron Polymorphism (IP) markers: homoeologous relationships, diversification and evolution of the A, B and C Brassica genomes

 

At Chromosome

Total markers

Length in cM

Marker density (marker/cM)

No. of gaps (>20 cM distance)

 

C1

C2

C3

C4

C5

    

A genome

         

A1 (J1/N1)

3

3

13

13

1

33

134.4

0.25

1

A2 (J2/N2)

12

2

0

6

15

35

90.6

0.39

0

A3 (J3/N3)

3

21

14

24

4

66

130.5

0.51

0

A4 (J4/N4)

1

17

4

1

5

28

75.7

0.37

0

A5 (J5/N5)

7

6

5

1

1

20

93.6

0.21

1

A6 (J6/N6)

10

4

3

0

7

24

90.9

0.26

0

A7 (J7/N7)

6

12

6

0

0

24

73.5

0.33

0

A8 (J8/N8)

18

0

0

16

0

34

69.8

0.49

0

A9 (J9/N9)

17

15

9

10

7

58

150.8

0.38

0

A10 (J10/N10)

2

0

0

0

11

13

72.5

0.18

0

Total

79

80

54

71

51

335

982.3

 

2

B genome

         

B1 (J17/G7)

3

0

13

0

5

21

109.4

0.19

0

B2 (J15/G5)

2

0

3

27

4

36

125.9

0.29

1

B3 (J18/G8)

1

9

7

10

9

36

131.8

0.27

0

B4 (J16/G6)

4

5

7

3

2

21

133.7

0.16

1

B5 (J11/G1)

1

3

5

0

0

9

74.5

0.12

1

B6 (J14/G4)

9

4

0

0

1

14

89.3

0.16

2

B7 (J13/G3)

24

1

0

3

0

28

125.5

0.22

2

B8 (J12/G2)

1

6

2

10

14

33

149.8

0.22

1

Total

45

28

37

53

35

198

939.9

 

8

Gross Total

124

108

91

124

86

533

1922.2

 

10

  1. The figures in the parentheses are the corresponding LGs of B. juncea and B. napus [11, 16] for the A genome and the corresponding LGs of B. juncea and B. nigra [11, 18] for the B genome.
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BMC Genomics

ISSN: 1471-2164

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