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Table 2 Date calculations for segmental duplication events in soybeans

From: Evolutionary study of the isoflavonoid pathway based on multiple copies analysis in soybean

Segment pairs

Number of anchors

KS(mean ± s.d.)

Estimated time (mya)

Segments containing PAL paralogs

   

Chr 3 & Chr 19

10

0.17 ± 0.04

14

Chr 10 & Chr 13

10

0.14 ± 0.03

11

Chr 3 & Chr 10

5

0.60 ± 0.15

49

Chr 3 & Chr 13

5

0.62 ± 0.25

51

Chr 19 & Chr 10

4

0.58 ± 0.05

48

Chr 19 & Chr 13

4

0.66 ± 0.22

54

Chr 10–2 & Chr 20

10

0.12 ± 0.02

10

Segments containing C4H paralogs

   

Chr 2 & Chr 14

10

0.14 ± 0.02

11

Chr 10 & Chr 20

10

0.15 ± 0.03

12

Segments containing 4CL paralogs

   

Chr 17 & Chr 13

10

0.16 ± 0.08

13

Chr 13–2 & Chr 15

10

0.12 ± 0.04

10

Chr 1 & Chr 11

4

0.10 ± 0.04

8

Segments containing CHS paralogs

   

Chr 8 & Chr 5

10

0.14 ± 0.05

11

Chr 1 & Chr 2

8

0.17 ± 0.07

14

Chr 1–2 &Chr 11

10

0.10 ± 0.01

8

Segments containing CHR paralogs

   

Chr 14 &Chr 2

10

0.12 ± 0.04

10

Segments containing CHI paralogs

   

Chr 10 & Chr 20

10

0.18 ± 0.13

15

Chr 4 & Chr 6

10

0.17 ± 0.05

14

Chr 13 & Chr 15

7

0.21 ± 0.10

17

Segments containing IFS paralogs

   

Chr 7 & Chr13

10

0.18 ± 0.11

15

Segments containing IOMT paralogs

   

Chr 18 & Chr 8

10

0.22 ± 0.11

18

Chr 10 & Chr 20

10

0.14 ± 0.03

11

Segments containing IFR paralogs

   

Chr 1 & Chr11

10

0.18 ± 0.13

15

  1. Abbreviation: mya, million years ago.